{"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\/am\/blog\/function-of-thermal-overload-relay\/","title":{"rendered":"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u1270\u130d\u1263\u122d \u121d\u1295\u12f5\u1290\u12cd?"},"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\" >\u121b\u12cd\u132b<\/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=\"\u12e8\u12ed\u12d8\u1275 \u1230\u1295\u1320\u1228\u12e5 \u1240\u12eb\u12ed\u122d\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u1240\u12eb\u12ed\u122d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Understanding_Thermal_Overload_Relays\" title=\"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d\u1295 \u1218\u1228\u12f3\u1275\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d\u1295 \u1218\u1228\u12f3\u1275<\/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\/am\/blog\/function-of-thermal-overload-relay\/#How_a_Thermal_Overload_Relay_Works\" title=\"\u12e8\u1219\u1240\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1230\u122b\">\u12e8\u1219\u1240\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1230\u122b<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Thermal_Overload_Relay_Symbol\" title=\"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u121d\u120d\u12ad\u1275\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u121d\u120d\u12ad\u1275<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Key_Features_of_Thermal_Overload_Relays\" title=\"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u1241\u120d\u134d \u1263\u1205\u122a\u12ce\u127d\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u1241\u120d\u134d \u1263\u1205\u122a\u12ce\u127d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Importance_of_Thermal_Overload_Protection\" title=\"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1325\u1260\u1243 \u12a0\u1235\u1348\u120b\u130a\u1290\u1275\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1325\u1260\u1243 \u12a0\u1235\u1348\u120b\u130a\u1290\u1275<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Applications_of_Thermal_Overload_Relays\" title=\"\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Difference_Between_Thermal_Overload_Relay_and_Overcurrent_Relay\" title=\"\u1260\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1293 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u1218\u12ab\u12a8\u120d \u12eb\u1208\u12cd \u120d\u12e9\u1290\u1275\">\u1260\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1293 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u1218\u12ab\u12a8\u120d \u12eb\u1208\u12cd \u120d\u12e9\u1290\u1275<\/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\/am\/blog\/function-of-thermal-overload-relay\/#How_to_Select_the_Right_Thermal_Overload_Relay_for_Your_Motor\" title=\"\u1208\u121e\u1270\u122d\u12ce \u1275\u12ad\u12ad\u1208\u129b\u12cd\u1295 \u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1218\u122d\u1321\">\u1208\u121e\u1270\u122d\u12ce \u1275\u12ad\u12ad\u1208\u129b\u12cd\u1295 \u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1218\u122d\u1321<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Motor_Full-Load_Current_FLC\" title=\"\u121e\u1270\u122d \u1219\u1209-\u132d\u1290\u1275 \u12e8\u12a0\u1201\u1291 (\u12a4\u134d\u12a4\u120d\u1232)\">\u121e\u1270\u122d \u1219\u1209-\u132d\u1290\u1275 \u12e8\u12a0\u1201\u1291 (\u12a4\u134d\u12a4\u120d\u1232)<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Trip_Class\" title=\"\u12e8\u1309\u12de \u12ad\u134d\u120d\">\u12e8\u1309\u12de \u12ad\u134d\u120d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Ambient_Temperature_Conditions\" title=\"\u12e8\u12a0\u12ab\u1263\u1262 \u1219\u1240\u1275 \u1201\u1294\u1273\u12ce\u127d\">\u12e8\u12a0\u12ab\u1263\u1262 \u1219\u1240\u1275 \u1201\u1294\u1273\u12ce\u127d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Reset_Type\" title=\"\u12d3\u12ed\u1290\u1275 \u12f3\u130d\u121d \u12a0\u1235\u1300\u121d\u122d\">\u12d3\u12ed\u1290\u1275 \u12f3\u130d\u121d \u12a0\u1235\u1300\u121d\u122d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Common_Signs_of_a_Faulty_Thermal_Overload_Relay\" title=\"\u12e8\u1270\u1233\u1233\u1270 \u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u12e8\u1270\u1208\u1218\u12f1 \u121d\u120d\u12ad\u1276\u127d\">\u12e8\u1270\u1233\u1233\u1270 \u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u12e8\u1270\u1208\u1218\u12f1 \u121d\u120d\u12ad\u1276\u127d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#How_to_Test_and_Maintain_a_Thermal_Overload_Relay\" title=\"\u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245\u1295 \u12a5\u1295\u12f4\u1275 \u1218\u121e\u12a8\u122d \u12a5\u1293 \u121b\u1246\u12e8\u1275 \u12a5\u1295\u12f0\u121a\u127b\u120d\">\u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245\u1295 \u12a5\u1295\u12f4\u1275 \u1218\u121e\u12a8\u122d \u12a5\u1293 \u121b\u1246\u12e8\u1275 \u12a5\u1295\u12f0\u121a\u127b\u120d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Current_Injection_Testing\" title=\"\u12e8\u12a0\u1201\u1291 \u12e8\u1218\u122d\u134c \u1219\u12a8\u122b\">\u12e8\u12a0\u1201\u1291 \u12e8\u1218\u122d\u134c \u1219\u12a8\u122b<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Visual_Inspection\" title=\"\u12e8\u12a5\u12ed\u1273 \u121d\u122d\u1218\u122b\">\u12e8\u12a5\u12ed\u1273 \u121d\u122d\u1218\u122b<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Relay_Trip_Adjustment_Verification\" title=\"\u12e8\u12dd\u12cd\u12cd\u122d \u1309\u12de \u121b\u1235\u1270\u12ab\u12a8\u12eb \u121b\u1228\u130b\u1308\u132b\">\u12e8\u12dd\u12cd\u12cd\u122d \u1309\u12de \u121b\u1235\u1270\u12ab\u12a8\u12eb \u121b\u1228\u130b\u1308\u132b<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Manual_Testing\" title=\"\u1260\u12a5\u1305 \u1218\u121e\u12a8\u122d\">\u1260\u12a5\u1305 \u1218\u121e\u12a8\u122d<\/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\/am\/blog\/function-of-thermal-overload-relay\/#Resources\" title=\"\u1218\u122d\u1303\u12ce\u127d\u1361-\">\u1218\u122d\u1303\u12ce\u127d\u1361-<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>\u121e\u1270\u122d <a href=\"https:\/\/www.tosunlux.eu\/am\/blog\/the-complete-guide-to-thermal-overload-relays\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb<\/a> \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u12c8\u1245\u1271\u1295 \u134d\u1230\u1275 \u1260\u1218\u1208\u12e8\u1275 \u12a5\u1293 \u12a0\u1235\u1348\u120b\u130a \u1206\u1296 \u1232\u1308\u129d \u12e8\u12a4\u120c\u12ad\u1275\u122a\u12ad \u121e\u1270\u122e\u127d \u12a5\u1295\u12f3\u12ed\u121e\u1241 \u12e8\u121a\u12a8\u120b\u12a8\u120d \u12e8\u1218\u12a8\u120b\u12a8\u12eb \u1218\u1233\u122a\u12eb \u1290\u12cd\u1362&nbsp;<\/p>\n\n\n\n<p>\u12ed\u1205 \u121e\u1270\u1229\u1295 \u12f0\u1205\u1295\u1290\u1271 \u1260\u1270\u1320\u1260\u1240 \u1201\u1294\u1273 \u12a5\u1293 \u1260\u1265\u1243\u1275 \u12a5\u1295\u12f2\u1220\u122b \u12a5\u1293 \u12e8\u1309\u12f3\u1275 \u12a0\u12f0\u130b\u1295 \u12ed\u1240\u1295\u1233\u120d\u1362<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Thermal_Overload_Relays\"><\/span>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d\u1295 \u1218\u1228\u12f3\u1275<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u12e8\u121e\u1270\u122d \u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u1260\u12a4\u120c\u12ad\u1275\u122a\u12ad \u1235\u122d\u12d3\u1276\u127d \u12cd\u1235\u1325 \u1260\u1270\u1208\u12ed\u121d \u1260\u121e\u1270\u122d \u1325\u1260\u1243 \u12cd\u1235\u1325 \u12c8\u1233\u129d \u12a0\u12ab\u120d \u1290\u12cd.&nbsp;<\/p>\n\n\n\n<p>\u12e8\u121a\u1220\u122b\u12cd \u1260\u121e\u1270\u122d \u12cd\u1235\u1325 \u12e8\u121a\u1348\u1230\u12cd\u1295 \u1305\u1228\u1275 \u1260\u1218\u12a8\u1273\u1270\u120d \u12a5\u1293 \u12a0\u1201\u1291 \u130a\u12dc \u12a8\u12f0\u1205\u1295\u1290\u1275 \u1308\u12f0\u1265 \u1260\u120b\u12ed \u1232\u12eb\u120d\u134d \u121d\u120b\u123d \u1260\u1218\u1235\u1320\u1275 \u1290\u12cd\u1362&nbsp;<\/p>\n\n\n\n<p>\u12ed\u1205 \u1218\u1233\u122a\u12eb \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u1219\u1240\u1275\u1295 \u12ed\u12a8\u120b\u12a8\u120b\u120d, \u12e8\u121e\u1270\u122d \u1205\u12ed\u12c8\u1275\u1295 \u12eb\u122b\u12dd\u121b\u120d \u12a5\u1293 \u12e8\u12a4\u120c\u12ad\u1275\u122a\u12ad \u12a0\u12f0\u130b\u12ce\u127d\u1295 \u12ed\u1240\u1295\u1233\u120d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_a_Thermal_Overload_Relay_Works\"><\/span>\u12e8\u1219\u1240\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1230\u122b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u121b\u1230\u122b\u132b\u12cd \u1260\u12a8\u134d\u1270\u129b \u1305\u1228\u1275 \u121d\u12ad\u1295\u12eb\u1275 \u1208\u121a\u1348\u1320\u1228\u12cd \u12a8\u134d\u1270\u129b \u1219\u1240\u1275 \u1232\u130b\u1208\u1325 \u12e8\u121a\u1273\u1320\u1349 \u12e8\u1262\u121a\u1273\u120d \u1295\u1323\u134e\u127d\u1295 \u12eb\u12ab\u1275\u1273\u120d\u1362&nbsp;<\/p>\n\n\n\n<p>\u1218\u1273\u1320\u134a\u12eb\u12cd \u12e8\u1270\u12c8\u1230\u1290 \u1266\u1273 \u120b\u12ed \u1232\u12f0\u122d\u1235, \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u12ed\u1313\u12db\u120d, \u1283\u12ed\u120d\u1295 \u12c8\u12f0 \u121e\u1270\u122d \u12eb\u124b\u122d\u1323\u120d \u12a5\u1293 \u1270\u1328\u121b\u122a \u1219\u1240\u1275\u1295 \u12ed\u12a8\u120b\u12a8\u120b\u120d.&nbsp;<\/p>\n\n\n\n<p>\u12a0\u1295\u12f4 \u12e8\u1219\u1240\u1275 \u1218\u1320\u1291 \u12a8\u1270\u1235\u1270\u12ab\u12a8\u1208 \u1260\u128b\u120b \u121b\u1230\u122b\u132b\u12cd \u1260\u122b\u1235-\u1230\u122d \u12c8\u12ed\u121d \u1260\u12a5\u1305 \u12a5\u1295\u12f0\u1308\u1293 \u12ed\u1300\u121d\u122b\u120d\u1362<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Overload_Relay_Symbol\"><\/span>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u121d\u120d\u12ad\u1275<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>\u121d\u1235\u130b\u1293\u12ce\u127d \u1208 <\/em><a href=\"https:\/\/symbols.radicasoftware.com\/229\/single-line-symbols\/51\/thermal-overload-relay\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><em>\u1232\u1218\u1295\u1235<\/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>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u1241\u120d\u134d \u1263\u1205\u122a\u12ce\u127d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u12e8\u12a0\u1201\u1295 \u12f3\u1233\u123d \u121c\u12ab\u1292\u12dd\u121d<\/strong> - \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u12a0\u1201\u1291\u1295 \u1348\u120d\u130e \u12eb\u1308\u129b\u120d \u12a5\u1293 \u1325\u1260\u1243\u1295 \u12eb\u1290\u1243\u1243\u120d\u1362<\/li><li><strong>\u12e8\u121a\u1235\u1270\u12ab\u12a8\u1209 \u1245\u1295\u1265\u122e\u127d<\/strong> - \u1270\u1320\u1243\u121a\u12ce\u127d \u1260\u121e\u1270\u122d \u1218\u130d\u1208\u132b\u12ce\u127d \u120b\u12ed \u1260\u1218\u1218\u1235\u1228\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u1218\u132b\u1295 \u1308\u12f0\u1266\u127d\u1295 \u12a5\u1295\u12f2\u12eb\u12d8\u130b\u1301 \u12eb\u1235\u127d\u120b\u1278\u12cb\u120d\u1362<\/li><li><strong>\u1260\u122b\u1235\/\u1260\u12a5\u1305 \u12f3\u130d\u121d \u121b\u1235\u1300\u1218\u122d \u12a0\u121b\u122b\u132e\u127d<\/strong> - \u12e8\u121e\u1270\u122d \u1270\u130d\u1263\u122d\u1295 \u12c8\u12f0\u1290\u1260\u1228\u1260\u1275 \u1208\u1218\u1218\u1208\u1235 \u1270\u1208\u12cb\u12cb\u132d\u1290\u1275\u1295 \u12eb\u1240\u122d\u1263\u120d.<\/li><li><strong>\u12e8\u1309\u12de \u12a0\u1218\u120b\u12ab\u127e\u127d <\/strong>- \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u1232\u1230\u1260\u122d \u121d\u120d\u12ad\u1275 \u12eb\u1233\u12eb\u120d\u1362<\/li><li><strong>\u12a8 A overload Contactor \u130b\u122d \u1270\u12b3\u1203\u129d\u1290\u1275<\/strong> - \u1208\u1270\u121f\u120b \u1325\u1260\u1243 \u12a8\u121e\u1270\u122d \u1300\u121b\u122a\u12ce\u127d \u130b\u122d \u12a0\u1265\u122e \u12ed\u1230\u122b\u120d\u1362<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Importance_of_Thermal_Overload_Protection\"><\/span>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1325\u1260\u1243 \u12a0\u1235\u1348\u120b\u130a\u1290\u1275<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u12e8\u121e\u1270\u122d\u1295 \u1228\u1305\u121d \u130a\u12dc \u12e8\u1218\u1246\u12e8\u1275 \u12a5\u1293 \u12e8\u12a4\u120c\u12ad\u1275\u122a\u12ad \u12f0\u1205\u1295\u1290\u1275\u1295 \u1208\u121b\u1228\u130b\u1308\u1325 \u12e8\u121e\u1270\u122d \u1219\u1240\u1275 \u1218\u12a8\u120b\u12a8\u12eb \u12a0\u1235\u1348\u120b\u130a \u1290\u12cd.&nbsp;<\/p>\n\n\n\n<p>\u12eb\u1208 \u12a5\u1231 \u121e\u1270\u122e\u127d \u1260\u121a\u12a8\u1270\u1209\u1275 \u120a\u1230\u1243\u12e9 \u12ed\u127d\u120b\u1209-<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u121e\u1245<\/strong> - \u12c8\u12f0 \u123d\u134b\u1295 \u1218\u1260\u120b\u1238\u1275 \u12a5\u1293 \u12e8\u12a0\u12ab\u120d \u12ad\u134d\u120e\u127d \u12cd\u12f5\u1240\u1275\u1295 \u12eb\u1235\u12a8\u1275\u120b\u120d\u1362<\/li><li><strong>\u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u1283\u12ed\u120d \u134d\u1306\u1273<\/strong> - \u12cd\u1324\u1273\u121b\u1290\u1275\u1295 \u121b\u1323\u1275 \u12a5\u1293 \u12a8\u134d\u1270\u129b \u12e8\u12a4\u120c\u12ad\u1275\u122a\u12ad \u12c8\u132a\u12ce\u127d\u1295 \u12eb\u1235\u12a8\u1275\u120b\u120d\u1362<\/li><li><strong>\u12e8\u1325\u1308\u1293 \u12c8\u132a\u12ce\u127d \u1218\u1328\u1218\u122d<\/strong> - \u1260\u1270\u12f0\u130b\u130b\u121a \u12e8\u121e\u1270\u122d \u1265\u120d\u123d\u1276\u127d \u121d\u12ad\u1295\u12eb\u1275.<\/li><li><strong>\u12e8\u12a4\u120c\u12ad\u1275\u122a\u12ad \u12a0\u12f0\u130b\u12ce\u127d<\/strong> - \u12e8\u12a0\u132d\u122d \u12d1\u12f0\u1276\u127d\u1295 \u12a5\u1293 \u12e8\u12a5\u1233\u1275 \u12a0\u12f0\u130b\u1295 \u1218\u1328\u1218\u122d.<\/li><\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tosunlux.eu\/am\/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=\"TSR2-D \u12e8\u1219\u1240\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\" 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>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u12e8\u12a2\u1295\u12f1\u1235\u1275\u122a \u121b\u123d\u1296\u127d<\/strong> - \u1260\u121b\u1313\u1313\u12e3 \u1235\u122d\u12d3\u1276\u127d \u1363 \u1353\u121d\u1356\u127d \u12a5\u1293 \u1218\u132d\u1218\u1242\u12eb\u12ce\u127d \u12cd\u1235\u1325 \u1325\u1245\u121d \u120b\u12ed \u12ed\u12cd\u120b\u120d\u1362<\/li><li><strong>HVAC \u1232\u1235\u1270\u121d\u1235<\/strong> - \u1260\u12a0\u12e8\u122d \u121b\u1240\u12dd\u1240\u12e3 \u12a5\u1293 \u1260\u12a0\u12e8\u122d \u121b\u1293\u1348\u123b \u12ad\u134d\u120e\u127d \u12cd\u1235\u1325 \u121e\u1270\u122e\u127d\u1295 \u12ed\u12a8\u120b\u12a8\u120b\u120d\u1362<\/li><li><strong>\u12e8\u121b\u121d\u1228\u1275 \u1270\u12ad\u120e\u127d<\/strong> - \u1260\u12a0\u12cd\u1276\u121b\u1272\u12ad \u1218\u1233\u122a\u12eb\u12ce\u127d \u12cd\u1235\u1325 \u12e8\u121e\u1270\u122d \u1309\u12f3\u1275 \u12a5\u1295\u12f3\u12ed\u12f0\u122d\u1235 \u12ed\u12a8\u120b\u12a8\u120b\u120d.<\/li><li><strong>\u12e8\u130d\u1265\u122d\u1293 \u1218\u1233\u122a\u12eb\u12ce\u127d <\/strong>- \u1208\u1218\u1235\u1296 \u12a5\u1293 \u121b\u1240\u1290\u1263\u1260\u122a\u12eb \u121b\u123d\u1296\u127d \u1325\u1260\u1243\u1295 \u12eb\u1228\u130b\u130d\u1323\u120d.<\/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>\u1260\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1293 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u1218\u12ab\u12a8\u120d \u12eb\u1208\u12cd \u120d\u12e9\u1290\u1275<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1245\u1265\u1265\u120d<\/strong> - \u1208\u1228\u1305\u121d \u130a\u12dc \u1260\u121a\u1348\u1320\u1229 \u1201\u1294\u1273\u12ce\u127d \u121d\u12ad\u1295\u12eb\u1275 \u1240\u1235 \u1260\u1240\u1235 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u121e\u1245 \u121d\u120b\u123d \u12ed\u1230\u1323\u120d\u1362<\/li><li><strong>Overcurrent Relay<\/strong> - \u12a5\u1295\u12f0 \u12a0\u132d\u122d \u12d1\u12f0\u1275 \u120b\u1209 \u12f5\u1295\u1308\u1270\u129b \u12a8\u134d\u1270\u129b \u1305\u1228\u1276\u127d \u12c8\u12f2\u12eb\u12cd\u1291 \u121d\u120b\u123d \u12ed\u1230\u1323\u120d\u1362<\/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>\u1208\u121e\u1270\u122d\u12ce \u1275\u12ad\u12ad\u1208\u129b\u12cd\u1295 \u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u121a\u1218\u122d\u1321<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u12e8\u121e\u1270\u122d \u1325\u1260\u1243\u1295 \u12a5\u1293 \u12e8\u1235\u122d\u12d3\u1275 \u1245\u120d\u1325\u134d\u1293\u1295 \u1208\u121b\u1228\u130b\u1308\u1325 \u1275\u12ad\u12ad\u1208\u129b\u12cd\u1295 \u12e8\u1219\u1240\u1275 \u1218\u1320\u1295 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134d \u12a0\u1235\u1348\u120b\u130a \u1290\u12cd\u1362&nbsp;<\/p>\n\n\n\n<p>\u12e8\u1270\u1233\u1233\u1270 \u1245\u1265\u1265\u120d \u1218\u121d\u1228\u1325 \u12c8\u12f0 \u1270\u12f0\u130b\u130b\u121a \u1218\u1230\u1293\u12a8\u120d \u12c8\u12ed\u121d \u1260\u1242 \u12eb\u120d\u1206\u1290 \u1218\u12a8\u120b\u12a8\u12eb \u120a\u12eb\u1218\u122b \u12ed\u127d\u120b\u120d\u1363 \u1201\u1208\u1271\u121d \u1260\u130a\u12dc \u1202\u12f0\u1275 \u1260\u121e\u1270\u122d \u120b\u12ed \u1309\u12f3\u1275 \u120a\u12eb\u12f0\u122d\u1231 \u12ed\u127d\u120b\u1209\u1362 \u120a\u1273\u1230\u1265\u1263\u1278\u12cd \u12e8\u121a\u1308\u1261 \u1241\u120d\u134d \u1290\u1308\u122e\u127d \u12a5\u12da\u1205 \u12a0\u1209<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Motor_Full-Load_Current_FLC\"><\/span>\u121e\u1270\u122d \u1219\u1209-\u132d\u1290\u1275 \u12e8\u12a0\u1201\u1291 (\u12a4\u134d\u12a4\u120d\u1232)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12eb\u1208\u130a\u12dc\u12cd \u1218\u1230\u1293\u12a8\u120d\u1295 \u12c8\u12ed\u121d \u12a0\u1235\u1348\u120b\u130a \u1206\u1296 \u1232\u1308\u129d \u1218\u1225\u122b\u1275 \u12a0\u1208\u1218\u127b\u120d\u1295 \u1208\u1218\u12a8\u120b\u12a8\u120d \u122a\u120c\u12ed \u1260\u121e\u1270\u1229 \u12a4\u134d\u12a4\u120d\u1232 \u120b\u12ed \u1270\u1218\u1235\u122d\u1276 \u12f0\u1228\u1303 \u1218\u1235\u1320\u1275 \u12a0\u1208\u1260\u1275\u1362&nbsp;<\/p>\n\n\n\n<p>\u12a0\u1265\u12db\u129b\u12ce\u1279 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u12e8\u121a\u1235\u1270\u12ab\u12a8\u1208\u12cd \u12ad\u120d\u120d \u12a0\u120b\u1278\u12cd, \u1235\u1208\u12da\u1205 \u12a5\u1295\u12f0 \u121e\u1270\u1229 \u1218\u1218\u12d8\u129b\u12ce\u127d \u121b\u12d8\u130b\u1300\u1275 \u12a0\u1235\u1348\u120b\u130a \u1290\u12cd.<\/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=\"TSR2-F \u12e8\u12a4\u120c\u12ad\u1275\u122e\u1292\u12ad\u1235 \u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\" 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>\u12e8\u1309\u12de \u12ad\u134d\u120d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12e8\u1270\u1208\u12eb\u12e9 \u1218\u1270\u130d\u1260\u122a\u12eb\u12ce\u127d \u12e8\u1270\u1208\u12eb\u12e9 \u12e8\u1309\u12de \u130a\u12dc\u12ce\u127d\u1295 \u12ed\u1348\u120d\u130b\u1209\u1362 \u12e8\u1309\u12de \u12ad\u134d\u120e\u127d (\u1208\u121d\u1233\u120c\u1363 \u12ad\u134d\u120d 5\u1363 10\u1363 20\u1363 \u12c8\u12ed\u121d 30) \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u1232\u1273\u12c8\u1245 \u121e\u1270\u1229\u1295 \u1208\u121b\u124b\u1228\u1325 \u121d\u1295 \u12eb\u1205\u120d \u130a\u12dc \u12a5\u1295\u12f0\u121a\u12c8\u1235\u12f5 \u12ed\u12c8\u1235\u1293\u1209\u1362&nbsp;<\/p>\n\n\n\n<p>\u12e8\u1348\u1323\u1295 \u12e8\u1309\u12de \u12ad\u134d\u120e\u127d \u121e\u1270\u122e\u127d\u1295 \u12a8\u12a0\u132d\u122d \u130a\u12dc \u12a8\u121a\u1348\u1290\u12f3 \u12a8\u120d\u12ad \u12eb\u1208\u1348 \u12e8\u1305\u1228\u1275 \u134d\u1295\u12f3\u1273 \u12ed\u12a8\u120b\u12a8\u120b\u1209\u1363 \u1240\u122d\u134b\u134b\u12ce\u1279 \u12f0\u130d\u121e \u12a8\u134d\u1270\u129b-inertia \u1238\u12ad\u121e\u127d\u1295 \u12eb\u1235\u1270\u1293\u130d\u12f3\u1209\u1362<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ambient_Temperature_Conditions\"><\/span>\u12e8\u12a0\u12ab\u1263\u1262 \u1219\u1240\u1275 \u1201\u1294\u1273\u12ce\u127d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u1260\u1262\u121c\u1273\u120d\u120a\u12ad \u1295\u1323\u134e\u127d \u120b\u12ed \u1235\u1208\u121a\u1218\u1230\u1228\u1271 \u12a0\u1348\u1343\u1340\u121b\u1278\u12cd \u1260\u12a0\u12ab\u1263\u1262\u12cd \u12e8\u1219\u1240\u1275 \u1218\u1320\u1295 \u120a\u130e\u12f3 \u12ed\u127d\u120b\u120d.&nbsp;<\/p>\n\n\n\n<p>\u121e\u1270\u1229 \u1260\u12a0\u1235\u1278\u130b\u122a \u1201\u1294\u1273\u12ce\u127d \u12cd\u1235\u1325 \u12e8\u121a\u1230\u122b \u12a8\u1206\u1290, \u12e8\u1219\u1240\u1275 \u121b\u12ab\u12ab\u123b \u12eb\u1208\u12cd \u1245\u1265\u1265\u120d \u12eb\u1235\u1261.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reset_Type\"><\/span>\u12d3\u12ed\u1290\u1275 \u12f3\u130d\u121d \u12a0\u1235\u1300\u121d\u122d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u1218\u132b\u129b \u121b\u1230\u122b\u132b\u12ce\u127d \u1260\u12a5\u1305 \u12c8\u12ed\u121d \u1260\u122b\u1235 \u1230\u122d \u12f3\u130d\u121d \u121b\u1235\u1300\u1218\u122d \u12a0\u121b\u122b\u132e\u127d \u12ed\u1218\u1323\u1209\u1362&nbsp;<\/p>\n\n\n\n<p>\u1260\u12a5\u1305 \u12f3\u130d\u121d \u121b\u1235\u1300\u1218\u122d \u12e8\u1230\u12cd \u120d\u1305 \u1323\u120d\u1243 \u1308\u1265\u1290\u1275 \u12a5\u1295\u12f0\u1308\u1293 \u12a5\u1295\u12f2\u1300\u1218\u122d \u1208\u121a\u1348\u120d\u1309 \u1218\u1270\u130d\u1260\u122a\u12eb\u12ce\u127d \u1270\u1235\u121b\u121a \u1290\u12cd\u1363 \u12a0\u12cd\u1276\u121b\u1272\u12ad \u12f3\u130d\u121d \u121b\u1235\u1300\u1218\u122d \u12f0\u130d\u121e \u12a8\u1240\u12d8\u1240\u12d8 \u1260\u128b\u120b \u1240\u1323\u12ed\u1290\u1275 \u12eb\u1208\u12cd \u1235\u122b \u1208\u121a\u1218\u1228\u1325\u1263\u1278\u12cd \u1235\u122d\u12d3\u1276\u127d \u12e8\u1270\u123b\u1208 \u1290\u12cd\u1362<\/p>\n\n\n\n<p>\u1275\u12ad\u12ad\u1208\u129b\u12cd \u121d\u122d\u132b \u12e8\u121e\u1270\u122d\u1295 \u12cd\u1324\u1273\u121b\u1290\u1275 \u12a8\u134d \u1208\u121b\u12f5\u1228\u130d\u1363 \u12e8\u12a5\u1228\u134d\u1275 \u130a\u12dc\u1295 \u1208\u1218\u1240\u1290\u1235 \u12a5\u1293 \u12a0\u120b\u1235\u1348\u120b\u130a \u12e8\u1325\u1308\u1293 \u12c8\u132a\u12ce\u127d\u1295 \u1208\u1218\u12a8\u120b\u12a8\u120d \u12ed\u1228\u12f3\u120d\u1362<\/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>\u12e8\u1270\u1233\u1233\u1270 \u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u12e8\u1270\u1208\u1218\u12f1 \u121d\u120d\u12ad\u1276\u127d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u12eb\u120d\u1270\u1233\u12ab \u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u12c8\u12f0 \u121e\u1270\u122d \u1265\u120d\u123d\u1276\u127d\u1363 \u12eb\u120d\u1270\u1320\u1260\u1241 \u1218\u12d8\u130b\u1275 \u12a5\u1293 \u12e8\u12a0\u1230\u122b\u122d \u1245\u120d\u1325\u134d\u1293\u12ce\u127d \u120a\u12eb\u1235\u12a8\u1275\u120d \u12ed\u127d\u120b\u120d\u1362 \u12e8\u1270\u1233\u1233\u1270 \u1245\u1265\u1265\u120e\u123d \u12e8\u121a\u12eb\u1233\u12e9 \u12e8\u1270\u1208\u1218\u12f1 \u121d\u120d\u12ad\u1276\u127d \u12a5\u12da\u1205 \u12a0\u1209\u1362<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u1270\u12f0\u130b\u130b\u121a \u1309\u12de<\/strong>\u121b\u1230\u122b\u132b\u12cd \u1265\u12d9 \u130a\u12dc \u12e8\u121a\u1313\u12dd \u12a8\u1206\u1290\u1363 \u1260\u1270\u1208\u1218\u12f0\u12cd \u12e8\u1235\u122b \u1201\u1294\u1273\u121d \u1262\u1206\u1295\u1363 \u1260\u1235\u1205\u1270\u1275 \u120a\u12cb\u1240\u122d \u12c8\u12ed\u121d \u12e8\u12cd\u1235\u1325 \u1309\u12f3\u1275 \u120a\u1296\u1228\u12cd \u12ed\u127d\u120b\u120d\u1362<\/li><li><strong>\u12e8\u1309\u12de \u12a0\u1208\u1218\u1233\u12ab\u1275\u1362<\/strong>: \u121e\u1270\u122d \u1232\u121e\u1245 \u1290\u1308\u122d \u130d\u1295 \u122a\u120c\u12ed \u1203\u12ed\u120d\u1295 \u12a0\u12ed\u1246\u122d\u1325\u121d \u1363 \u12ed\u1205 \u121d\u1293\u120d\u1263\u1275 \u12e8\u1270\u1323\u1260\u1240 \u12e8\u1262\u121c\u1273\u120d\u120a\u12ad \u1295\u1323\u134d \u12c8\u12ed\u121d \u12e8\u1270\u1260\u120b\u1238 \u12e8\u1218\u12f3\u1230\u123b \u12d8\u12f4\u1295 \u120a\u12eb\u1218\u1208\u12ad\u1275 \u12ed\u127d\u120b\u120d\u1362<\/li><li><strong>\u12e8\u1243\u1320\u120e \u121d\u120d\u12ad\u1276\u127d \u12c8\u12ed\u121d \u12a0\u12ab\u120b\u12ca \u1309\u12f3\u1275<\/strong>: \u1260\u130a\u12dc \u1202\u12f0\u1275, \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u121b\u121e\u1245 \u1260\u1270\u1240\u1263\u12e9 \u1218\u1296\u122a\u12eb \u1264\u1275 \u120b\u12ed \u12e8\u1270\u1243\u1320\u1209 \u121d\u120d\u12ad\u1276\u127d\u1295 \u120a\u12eb\u1235\u12a8\u1275\u120d \u12ed\u127d\u120b\u120d, \u12ed\u1205\u121d \u12e8\u12cd\u1235\u1325 \u12a0\u12ab\u120b\u1275 \u1265\u120d\u123d\u1275\u1295 \u12eb\u1233\u12eb\u120d.<\/li><li><strong>\u12e8\u121e\u1270\u122d \u1219\u1240\u1275 \u1218\u1328\u1218\u122d<\/strong>: \u121e\u1270\u1229 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u1233\u12ed\u132b\u1295 \u12a8\u12c8\u1275\u122e\u12cd \u12e8\u1260\u1208\u1320 \u121e\u1243\u1275 \u12a8\u1206\u1290, \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u1270\u1308\u1262\u12cd\u1295 \u1325\u1260\u1243 \u120b\u12ed\u1206\u1295 \u12ed\u127d\u120b\u120d.<\/li><\/ul>\n\n\n\n<p>\u12e8\u1270\u1260\u120b\u1239 \u12e8\u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d\u1295 \u1260\u130a\u12dc \u1218\u1208\u12e8\u1275 \u12a5\u1293 \u1218\u1270\u12ab\u1275 \u12cd\u12f5 \u12e8\u121e\u1270\u122d \u12cd\u12f5\u1240\u1276\u127d\u1295 \u12a5\u1293 \u12e8\u12a5\u1228\u134d\u1275 \u130a\u12dc\u1295 \u12ed\u12a8\u120b\u12a8\u120b\u120d\u1362<\/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=\"\u1260\u12a4\u120c\u12ad\u1275\u122a\u12ab\u12ca \u1233\u1325\u1295 \u12cd\u1235\u1325 \u12e8\u1219\u1240\u1275 \u1218\u1320\u1295 \u1218\u1328\u1218\u122d\u1295 \u12e8\u121a\u12eb\u1235\u1270\u12ab\u12ad\u120d \u1230\u12cd\" 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>\u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245\u1295 \u12a5\u1295\u12f4\u1275 \u1218\u121e\u12a8\u122d \u12a5\u1293 \u121b\u1246\u12e8\u1275 \u12a5\u1295\u12f0\u121a\u127b\u120d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u1218\u12f0\u1260\u129b \u1325\u1308\u1293 \u12a5\u1293 <a href=\"https:\/\/www.tosunlux.eu\/am\/blog\/testing-thermal-overload-relay\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u12e8\u1219\u1240\u1275 \u1218\u1328\u1293\u1290\u1245 \u1245\u1265\u1265\u120e\u123d \u1218\u121e\u12a8\u122d<\/a> \u12a0\u1235\u1270\u121b\u121b\u129d\u1290\u1273\u1278\u12cd\u1295 \u12a5\u1293 \u12cd\u1324\u1273\u121b\u1290\u1273\u1278\u12cd\u1295 \u12eb\u1228\u130b\u130d\u1321. \u12a5\u1295\u12f4\u1275 \u12a5\u1295\u12f0\u1206\u1290 \u12a5\u1290\u1206\u1361-<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_Injection_Testing\"><\/span>\u12e8\u12a0\u1201\u1291 \u12e8\u1218\u122d\u134c \u1219\u12a8\u122b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12ed\u1205 \u12d8\u12f4 \u1260\u1270\u1320\u1260\u1240\u12cd \u130a\u12dc \u12cd\u1235\u1325 \u1262\u1313\u12dd \u1208\u1218\u1246\u1323\u1320\u122d \u1241\u1325\u1325\u122d \u12e8\u121a\u12f0\u1228\u130d\u1260\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u134d\u1230\u1275\u1295 \u1260\u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u12cd\u1235\u1325 \u1260\u121b\u1208\u134d \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u12e8\u1218\u132b\u1295 \u1201\u1294\u1273\u1295 \u12eb\u1235\u1218\u1235\u120b\u120d\u1362<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Visual_Inspection\"><\/span>\u12e8\u12a5\u12ed\u1273 \u121d\u122d\u1218\u122b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u12e8\u12a0\u1267\u122b \u1218\u12a8\u121b\u1278\u1275\u1295\u1363 \u12dd\u1308\u1275\u1295 \u12c8\u12ed\u121d \u12e8\u1270\u1260\u120b\u1239 \u130d\u1295\u1299\u1290\u1276\u127d\u1295 \u12eb\u1228\u130b\u130d\u1321\u1362 \u12e8\u1246\u1238\u1239 \u12a5\u12cd\u1242\u12eb\u12ce\u127d \u1245\u120d\u1325\u134d\u1293\u1295 \u120a\u1240\u1295\u1231 \u12a5\u1293 \u12e8\u1270\u12db\u1263 \u12e8\u1245\u1265\u1265\u120e\u123d \u1235\u122b\u1295 \u120a\u12eb\u1235\u12a8\u1275\u1209 \u12ed\u127d\u120b\u1209\u1362<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relay_Trip_Adjustment_Verification\"><\/span>\u12e8\u12dd\u12cd\u12cd\u122d \u1309\u12de \u121b\u1235\u1270\u12ab\u12a8\u12eb \u121b\u1228\u130b\u1308\u132b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u1260\u1275\u12ad\u12ad\u1208\u129b\u12cd \u12e8 amperage \u12ad\u120d\u120d \u12cd\u1235\u1325 \u1218\u12d8\u130b\u1300\u1271\u1295 \u12eb\u1228\u130b\u130d\u1321\u1362 \u1260\u1323\u121d \u12dd\u1245\u1270\u129b \u1260\u1206\u1290 \u1201\u1294\u1273 \u121b\u1235\u1270\u12ab\u12a8\u120d \u1265\u1235\u132d\u1275 \u1218\u1295\u1240\u1325\u1240\u1325\u1295 \u120a\u12eb\u1235\u12a8\u1275\u120d \u12ed\u127d\u120b\u120d, \u1290\u1308\u122d \u130d\u1295 \u1260\u1323\u121d \u12a8\u134d\u1270\u129b \u1245\u1295\u1265\u122d \u121e\u1270\u1229\u1295 \u1218\u12a8\u120b\u12a8\u120d \u120b\u12ed\u1233\u12ab \u12ed\u127d\u120b\u120d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manual_Testing\"><\/span>\u1260\u12a5\u1305 \u1218\u121e\u12a8\u122d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u1265\u12d9 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12ce\u127d \u12e8\u1309\u12de \u1201\u1294\u1273\u1295 \u1260\u12a5\u1305 \u1208\u121b\u1235\u1218\u1230\u120d \u12e8\u1219\u12a8\u122b \u12a0\u12dd\u122b\u122d \u12a0\u120b\u1278\u12cd\u1362 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u12cd \u1260\u1275\u12ad\u12ad\u120d \u12a5\u12e8\u1230\u122b \u1218\u1206\u1291\u1295 \u1208\u121b\u1228\u130b\u1308\u1325 \u12ed\u1205 \u1260\u12e8\u130a\u12dc\u12cd \u1218\u1228\u130b\u1308\u1325 \u12a0\u1208\u1260\u1275\u1362<\/p>\n\n\n\n<p>\u1218\u12f0\u1260\u129b \u1325\u1308\u1293 \u12e8\u1219\u1240\u1275 \u1218\u12a8\u120b\u12a8\u12eb\u12cd \u12cd\u1324\u1273\u121b \u1206\u1296 \u12a5\u1295\u12f2\u1246\u12ed \u1363\u12e8\u121e\u1270\u122d\u1295 \u1205\u12ed\u12c8\u1275 \u12eb\u122b\u12dd\u1218\u12cb\u120d \u12a5\u1293 \u12eb\u120d\u1270\u1320\u1260\u1241 \u12cd\u12f5\u1240\u1276\u127d\u1295 \u12ed\u1240\u1295\u1233\u120d\u1362<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Resources\"><\/span>\u1218\u122d\u1303\u12ce\u127d\u1361-<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\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb \u121d\u1295\u12f5\u1295 \u1290\u12cd?<\/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\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1245\u1265\u1265\u120d \u12e8\u1235\u122b \u1218\u122d\u1205 \u1218\u1218\u122a\u12eb<\/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\">\u12e8\u1219\u1240\u1275 \u132d\u1290\u1275 \u1245\u1265\u1265\u120d \u12e8\u1235\u122b \u1218\u122d\u1205 \u1270\u1265\u122b\u122d\u1277\u120d\u1362<\/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\">\u12e8\u1219\u1240\u1275 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u132d\u1290\u1275 \u121b\u1235\u1270\u120b\u1208\u134a\u12eb\u1361 \u134d\u127a\u1363 \u1270\u130d\u1263\u122d\u1363 \u12cb\u130b<\/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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