{"id":12813,"date":"2025-03-05T15:41:00","date_gmt":"2025-03-05T07:41:00","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=12813"},"modified":"2025-03-10T18:03:29","modified_gmt":"2025-03-10T10:03:29","slug":"function-of-thermal-overload-relay","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/","title":{"rendered":"\u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03a0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u039c\u03c0\u03b1\u03c1\u03ad\u03c4\u03b1<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Understanding_Thermal_Overload_Relays\" title=\"\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#How_a_Thermal_Overload_Relay_Works\" title=\"\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Thermal_Overload_Relay_Symbol\" title=\"\u03a3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u03a3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Key_Features_of_Thermal_Overload_Relays\" title=\"\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Importance_of_Thermal_Overload_Protection\" title=\"\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\">\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Applications_of_Thermal_Overload_Relays\" title=\"\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03a1\u03b5\u03bb\u03ad \u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03a5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03a1\u03b5\u03bb\u03ad \u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03a5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Difference_Between_Thermal_Overload_Relay_and_Overcurrent_Relay\" title=\"\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2\">\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#How_to_Select_the_Right_Thermal_Overload_Relay_for_Your_Motor\" title=\"\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03c3\u03b1\u03c2\">\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03c3\u03b1\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Motor_Full-Load_Current_FLC\" title=\"\u03a1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 (FLC)\">\u03a1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 (FLC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Trip_Class\" title=\"\u039a\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd\">\u039a\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Ambient_Temperature_Conditions\" title=\"\u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2\">\u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Reset_Type\" title=\"\u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03cd\u03c0\u03bf\u03c5\">\u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03cd\u03c0\u03bf\u03c5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Common_Signs_of_a_Faulty_Thermal_Overload_Relay\" title=\"\u03a3\u03c5\u03bd\u03ae\u03b8\u03b7 \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u03a3\u03c5\u03bd\u03ae\u03b8\u03b7 \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#How_to_Test_and_Maintain_a_Thermal_Overload_Relay\" title=\"\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2\">\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Current_Injection_Testing\" title=\"\u03a4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03ad\u03b3\u03c7\u03c5\u03c3\u03b7\u03c2\">\u03a4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03ad\u03b3\u03c7\u03c5\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Visual_Inspection\" title=\"\u039f\u03c0\u03c4\u03b9\u03ba\u03ae \u0395\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\">\u039f\u03c0\u03c4\u03b9\u03ba\u03ae \u0395\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Relay_Trip_Adjustment_Verification\" title=\"\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae\u03c2 \u03c1\u03b5\u03bb\u03ad\">\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae\u03c2 \u03c1\u03b5\u03bb\u03ad<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Manual_Testing\" title=\"\u03a7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\">\u03a7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.tosunlux.eu\/el\/blog\/function-of-thermal-overload-relay\/#Resources\" title=\"\u03a0\u03cc\u03c1\u03bf\u03b9:\">\u03a0\u03cc\u03c1\u03bf\u03b9:<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>\u0388\u03bd\u03b1\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 <a href=\"https:\/\/www.tosunlux.eu\/el\/blog\/the-complete-guide-to-thermal-overload-relays\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03cc \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03c9\u03bd \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03c1\u03bf\u03ae \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1 \u03cc\u03c4\u03b1\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf.&nbsp;<\/p>\n\n\n\n<p>\u0391\u03c5\u03c4\u03cc \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03b6\u03b7\u03bc\u03b9\u03ac\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Thermal_Overload_Relays\"><\/span>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0388\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03c3\u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.&nbsp;<\/p>\n\n\n\n<p>\u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ae \u03cc\u03c1\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03bf \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1.&nbsp;<\/p>\n\n\n\n<p>\u0391\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7, \u03c0\u03b1\u03c1\u03b1\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf\u03c5\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_a_Thermal_Overload_Relay_Works\"><\/span>\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u03a4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b9\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ad\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bb\u03c5\u03b3\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b1\u03bd \u03b5\u03ba\u03c4\u03af\u03b8\u03b5\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c5\u03c8\u03b7\u03bb\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1.&nbsp;<\/p>\n\n\n\n<p>\u038c\u03c4\u03b1\u03bd \u03b7 \u03ba\u03ac\u03bc\u03c8\u03b7 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03c3\u03b2\u03ae\u03bd\u03b5\u03b9, \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03c5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7.&nbsp;<\/p>\n\n\n\n<p>\u039c\u03cc\u03bb\u03b9\u03c2 \u03bf\u03bc\u03b1\u03bb\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1, \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b5\u03c0\u03b1\u03bd\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03ae \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Overload_Relay_Symbol\"><\/span>\u03a3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdr-0BPRltqv60OPBUW4XigH6Fuz92JT0FtVPxj7VSmEuzLpwYY0retOiOnrbW8Vd-42KFnLpHjH9hHGgaaQkwOmRQauOQAoq6kfAaSqhxysEWo8NAO9dF26GGtU8VHf1Om6UKmVw?key=QJbmR1Rh1TgW8-2BeTHdQ2de\" alt=\"\" width=\"205\" height=\"181\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\"><em>\u03a0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 <\/em><a href=\"https:\/\/symbols.radicasoftware.com\/229\/single-line-symbols\/51\/thermal-overload-relay\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><em>Siemens<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Features_of_Thermal_Overload_Relays\"><\/span>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03c9\u03bd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b1\u03bd\u03af\u03c7\u03bd\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong> \u2013 \u0391\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03b5\u03b9 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.<\/li><li><strong>\u03a1\u03c5\u03b8\u03bc\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2<\/strong> \u2013 \u0395\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c1\u03b9\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.<\/li><li><strong>\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7\u03c2\/\u03bc\u03b7 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/strong> \u2013 \u03a0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.<\/li><li><strong>\u0395\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd <\/strong>\u2013 \u0395\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ae\u03bc\u03b1 \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03ad\u03c7\u03b5\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af.<\/li><li><strong>\u03a3\u03c5\u03bc\u03b2\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b5\u03c0\u03b1\u03c6\u03ad\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/strong> \u2013 \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03bc\u03b5 \u03b5\u03ba\u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Importance_of_Thermal_Overload_Protection\"><\/span>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0397 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b1\u03ba\u03c1\u03bf\u03b6\u03c9\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2.&nbsp;<\/p>\n\n\n\n<p>\u03a7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c5\u03c4\u03cc, \u03bf\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u03a5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7<\/strong> \u2013 \u039f\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/li><li><strong>\u03a5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u039a\u03b1\u03c4\u03b1\u03bd\u03ac\u03bb\u03c9\u03c3\u03b7 \u0395\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2<\/strong> \u2013 \u03a0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03bd\u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2.<\/li><li><strong>\u0391\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2<\/strong> \u2013 \u039b\u03cc\u03b3\u03c9 \u03c3\u03c5\u03c7\u03bd\u03ce\u03bd \u03b2\u03bb\u03b1\u03b2\u03ce\u03bd \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.<\/li><li><strong>\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03af \u039a\u03af\u03bd\u03b4\u03c5\u03bd\u03bf\u03b9<\/strong> \u2013 \u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5 \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac\u03c2.<\/li><\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tosunlux.eu\/el\/products\/tsr2-d-thermal-overload-relay\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-1024x1014.jpg\" alt=\"\u03a1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 TSR2-D\" class=\"wp-image-12825\" width=\"275\" height=\"272\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-1024x1014.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-300x297.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-768x761.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-1536x1522.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay-12x12.jpg 12w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-D-Thermal-Overload-Relay.jpg 1600w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_of_Thermal_Overload_Relays\"><\/span>\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03a1\u03b5\u03bb\u03ad \u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03a5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ac \u039c\u03b7\u03c7\u03b1\u03bd\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong> \u2013 \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c0\u03b9\u03b5\u03c3\u03c4\u03ad\u03c2.<\/li><li><strong>\u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 HVAC<\/strong> \u2013 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 \u03c3\u03b5 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03ba\u03bb\u03b9\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03b5\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd.<\/li><li><strong>\u039a\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u0395\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03b1<\/strong> \u2013 \u0391\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc.<\/li><li><strong>\u0391\u03b3\u03c1\u03bf\u03c4\u03b9\u03ba\u03cc\u03c2 \u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 <\/strong>\u2013 \u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03ac\u03c1\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Difference_Between_Thermal_Overload_Relay_and_Overcurrent_Relay\"><\/span>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u03a1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/strong> \u2013 \u0391\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac \u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03c5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7 \u03bb\u03cc\u03b3\u03c9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c5\u03bd\u03b8\u03b7\u03ba\u03ce\u03bd \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2.<\/li><li><strong>\u03a1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2<\/strong> \u2013 \u0391\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03b5 \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ac \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Select_the_Right_Thermal_Overload_Relay_for_Your_Motor\"><\/span>\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03c3\u03b1\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c9\u03c3\u03c4\u03bf\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.&nbsp;<\/p>\n\n\n\n<p>\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03c7\u03bd\u03ae \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ae \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b2\u03bb\u03ac\u03b2\u03b7 \u03c3\u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5. \u0395\u03b4\u03ce \u03b5\u03af\u03bd\u03b1\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03af \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03ac\u03b2\u03b5\u03c4\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Motor_Full-Load_Current_FLC\"><\/span>\u03a1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 (FLC)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u03a4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03b7\u03b8\u03b5\u03af \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf FLC \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03b7 \u03c0\u03c1\u03cc\u03c9\u03c1\u03b7 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ae \u03b7 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03cc\u03c4\u03b1\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9.&nbsp;<\/p>\n\n\n\n<p>\u03a4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c1\u03b5\u03bb\u03ad \u03ad\u03c7\u03bf\u03c5\u03bd \u03c1\u03c5\u03b8\u03bc\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2, \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03c4\u03b1 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03c4\u03b5 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-1024x1024.jpg\" alt=\"\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03cc \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 TSR2-F\" class=\"wp-image-12826\" width=\"313\" height=\"313\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay-12x12.jpg 12w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/TSR2-F-Electronic-Thermal-Overload-Relay.jpg 1600w\" sizes=\"(max-width: 313px) 100vw, 313px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trip_Class\"><\/span>\u039a\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5\u03c2 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd. \u039f\u03b9 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd (\u03c0.\u03c7., \u039a\u03bb\u03ac\u03c3\u03b7 5, 10, 20 \u03ae 30) \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c0\u03cc\u03c3\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b8\u03b1 \u03c7\u03c1\u03b5\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03cc\u03c4\u03b1\u03bd \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03c5\u03c4\u03b5\u03af \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7.&nbsp;<\/p>\n\n\n\n<p>\u039f\u03b9 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03c9\u03bd \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b5\u03c2 \u03b5\u03ba\u03c1\u03ae\u03be\u03b5\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b5\u03bd\u03ce \u03bf\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c1\u03b3\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03b4\u03c1\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ambient_Temperature_Conditions\"><\/span>\u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03b9\u03c3\u03b7\u03c2 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ad\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03b5\u03c2, \u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03b1\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2.&nbsp;<\/p>\n\n\n\n<p>\u0395\u03ac\u03bd \u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b5 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2, \u03c3\u03ba\u03b5\u03c6\u03c4\u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03bc\u03b5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reset_Type\"><\/span>\u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03cd\u03c0\u03bf\u03c5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u03a4\u03b1 \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b7\u03c2 \u03ae \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2.&nbsp;<\/p>\n\n\n\n<p>\u0397 \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b5\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03b7, \u03b5\u03bd\u03ce \u03b7 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03cc\u03c0\u03bf\u03c5 \u03b7 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c0\u03c1\u03bf\u03c4\u03b9\u03bc\u03ac\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03c8\u03cd\u03be\u03b7.<\/p>\n\n\n\n<p>\u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03bc\u03b5\u03b3\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1, \u03c3\u03c4\u03b7 \u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03c0\u03b5\u03c1\u03b9\u03c4\u03c4\u03ce\u03bd \u03b4\u03b1\u03c0\u03b1\u03bd\u03ce\u03bd \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Signs_of_a_Faulty_Thermal_Overload_Relay\"><\/span>\u03a3\u03c5\u03bd\u03ae\u03b8\u03b7 \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0388\u03bd\u03b1 \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1, \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ad\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b5\u03c0\u03ac\u03c1\u03ba\u03b5\u03b9\u03b5\u03c2. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03ba\u03bf\u03b9\u03bd\u03ac \u03c3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03bb\u03ad:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u03a3\u03c5\u03c7\u03bd\u03cc \u03c3\u03ba\u03bf\u03bd\u03c4\u03ac\u03c6\u03c4\u03b9\u03c3\u03bc\u03b1<\/strong>: \u0395\u03ac\u03bd \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03c5\u03c7\u03bd\u03ac, \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03cc \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03b5\u03af \u03b5\u03c3\u03c6\u03b1\u03bb\u03bc\u03ad\u03bd\u03b1 \u03ae \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03b2\u03bb\u03ac\u03b2\u03b7.<\/li><li><strong>\u0391\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd<\/strong>: \u038c\u03c4\u03b1\u03bd \u03ad\u03bd\u03b1\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b8\u03b5\u03c1\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b4\u03b5\u03bd \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03ba\u03bf\u03bb\u03bb\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u03bb\u03c9\u03c1\u03af\u03b4\u03b1 \u03ae \u03b4\u03c5\u03c3\u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd \u03b1\u03bd\u03af\u03c7\u03bd\u03b5\u03c5\u03c3\u03b7\u03c2.<\/li><li><strong>\u03a3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03ae \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2<\/strong>: \u039c\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5, \u03b7 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03b5\u03b3\u03ba\u03b1\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03af\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad, \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.<\/li><li><strong>\u03a5\u03c0\u03b5\u03c1\u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1<\/strong>: \u0395\u03ac\u03bd \u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c0\u03b9\u03bf \u03b6\u03b5\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7, \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.<\/li><\/ul>\n\n\n\n<p>\u039f \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03ad\u03b3\u03ba\u03b1\u03b9\u03c1\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ad\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-1024x768.jpg\" alt=\"\u0388\u03bd\u03b1\u03c2 \u03ac\u03bd\u03c4\u03c1\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c6\u03c4\u03b9\u03ac\u03c7\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03cc \u03c1\u03b5\u03bb\u03ad \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03ba\u03bf\u03c5\u03c4\u03af\" class=\"wp-image-12824\" width=\"397\" height=\"298\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-1024x768.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-300x225.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-768x576.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-1536x1152.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box-16x12.jpg 16w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/03\/A-man-fixing-a-thermal-overload-relay-inside-an-electrical-box.jpg 1600w\" sizes=\"(max-width: 397px) 100vw, 397px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Test_and_Maintain_a_Thermal_Overload_Relay\"><\/span>\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u03a4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 <a href=\"https:\/\/www.tosunlux.eu\/el\/blog\/testing-thermal-overload-relay\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a> \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2. \u0394\u03b5\u03af\u03c4\u03b5 \u03c0\u03ce\u03c2:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_Injection_Testing\"><\/span>\u03a4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03ad\u03b3\u03c7\u03c5\u03c3\u03b7\u03c2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0391\u03c5\u03c4\u03ae \u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c0\u03b5\u03c1\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9 \u03b5\u03ac\u03bd \u03b1\u03c0\u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Visual_Inspection\"><\/span>\u039f\u03c0\u03c4\u03b9\u03ba\u03ae \u0395\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c3\u03ce\u03c1\u03b5\u03c5\u03c3\u03b7 \u03c3\u03ba\u03cc\u03bd\u03b7\u03c2, \u03b4\u03b9\u03ac\u03b2\u03c1\u03c9\u03c3\u03b7 \u03ae \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2. \u039f\u03b9 \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03b5\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b1\u03ba\u03b1\u03bd\u03cc\u03bd\u03b9\u03c3\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relay_Trip_Adjustment_Verification\"><\/span>\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae\u03c2 \u03c1\u03b5\u03bb\u03ad<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0392\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03ad\u03c7\u03b5\u03b9 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03b5\u03af \u03c3\u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03b5\u03cd\u03c1\u03bf\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2. \u0397 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03c1\u03cd\u03b8\u03bc\u03b9\u03c3\u03ae \u03c4\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b5\u03bd\u03bf\u03c7\u03bb\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7, \u03b5\u03bd\u03ce \u03bc\u03b9\u03b1 \u03c0\u03bf\u03bb\u03cd \u03c5\u03c8\u03b7\u03bb\u03ae \u03c1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manual_Testing\"><\/span>\u03a7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u03a0\u03bf\u03bb\u03bb\u03ac \u03c1\u03b5\u03bb\u03ad \u03ad\u03c7\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03ba\u03bf\u03c5\u03bc\u03c0\u03af \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1 \u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd. \u0391\u03c5\u03c4\u03cc \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c9\u03c3\u03c4\u03ac.<\/p>\n\n\n\n<p>\u0397 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae, \u03c0\u03b1\u03c1\u03b1\u03c4\u03b5\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b5\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Resources\"><\/span>\u03a0\u03cc\u03c1\u03bf\u03b9:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/eshop.se.com\/in\/blog\/post\/what-is-a-thermal-overload-relay.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2;<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.chintglobal.com\/global\/en\/about-us\/news-center\/blog\/thermal-overload-relay-working-principle.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.geya.net\/thermal-overload-relay-working-principle-explained\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u0395\u03c0\u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.geya.net\/thermal-overload-relay-definition-function-price\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u03a1\u03b5\u03bb\u03ad \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2: \u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2, \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1, \u03a4\u03b9\u03bc\u03ae<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>A motor thermal overload relay is a protective device that prevents electric motors from overheating by detecting excessive current flow and disconnecting power when necessary.&nbsp; This ensures the motor runs safely and efficiently while reducing the risk of damage. Understanding Thermal Overload Relays A motor thermal overload relay is a crucial component in electrical systems, particularly in motor protection.&nbsp; It works by monitoring the current flowing through a motor and reacting when the current exceeds safe limits for a prolonged period.&nbsp; This device prevents overheating, prolongs motor life, and minimizes electrical hazards. How a Thermal Overload Relay Works The relay consists of bimetallic strips that bend when exposed to excessive heat caused by high current.&nbsp; When the bending reaches a certain point, the relay trips, cutting off power to the motor and preventing further overheating.&nbsp; Once the temperature normalizes, the relay resets automatically or manually. Thermal Overload Relay Symbol Credits to Siemens Key Features of Thermal Overload Relays Current Sensing Mechanism \u2013 Detects excessive current and activates protection. Adjustable Settings \u2013 Allows users to set overload limits based on motor specifications. Auto\/Manual Reset Options \u2013 Provides flexibility in restoring motor function. Trip Indicators \u2013 Displays a signal when the relay has tripped. Compatibility with A Overload Contactor \u2013 Works alongside motor starters for complete protection. Importance of Thermal Overload Protection Motor thermal overload protection is essential for ensuring motor longevity and electrical safety.&nbsp; Without it, motors can suffer from: Overheating \u2013 Leading to insulation damage and component failure. Excessive Energy Consumption \u2013 Causing inefficiency and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12882,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202],"tags":[],"class_list":["post-12813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-control-relays"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the Function of a Thermal Overload Relay? | TOSUNlux<\/title>\n<meta name=\"description\" content=\"How does a Thermal Overload Relay function? Understand its role in circuit protection with Tosunlux. 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