{"id":15691,"date":"2026-02-25T21:16:14","date_gmt":"2026-02-25T13:16:14","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=15691"},"modified":"2026-03-01T21:31:45","modified_gmt":"2026-03-01T13:31:45","slug":"circuit-breaker-performance-derating","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/","title":{"rendered":"Hoe temperatuur, hoogte en luchtvochtigheid de prestaties van stroomonderbrekers be\u00efnvloeden"},"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\" >Inhoudsopgave<\/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=\"Inhoudsopgave in-\/uitschakelen\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Schakelaar<\/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\/nl\/blog\/circuit-breaker-performance-derating\/#Factors_to_Consider_in_Temperature_Derating\" title=\"Factoren waarmee rekening moet worden gehouden bij temperatuurreductie.&nbsp;\">Factoren waarmee rekening moet worden gehouden bij temperatuurreductie.&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/#1_Ambient_Temperature\" title=\"1. Omgevingstemperatuur\">1. Omgevingstemperatuur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/#2_High_Altitude_and_the_Thinning_Air\" title=\"2. Grote hoogte en de ijlere lucht\">2. Grote hoogte en de ijlere lucht<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/#3_Humidity_Effects_and_Corrosive_Atmospheres\" title=\"3. Effecten van vochtigheid en corrosieve atmosferen\">3. Effecten van vochtigheid en corrosieve atmosferen<\/a><\/li><\/ul><\/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\/nl\/blog\/circuit-breaker-performance-derating\/#Real-World_Applications_in_Emerging_Markets\" title=\"Praktische toepassingen in opkomende markten\">Praktische toepassingen in opkomende markten<\/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\/nl\/blog\/circuit-breaker-performance-derating\/#Engineering_Best_Practices_for_Installation\" title=\"Technische beste praktijken voor installatie\">Technische beste praktijken voor installatie<\/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\/nl\/blog\/circuit-breaker-performance-derating\/#Conclusion\" title=\"Conclusie\">Conclusie<\/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\/nl\/blog\/circuit-breaker-performance-derating\/#Looking_for_a_One-Stop_LED_Lighting_Solution\" title=\"Op zoek naar een totaaloplossing voor LED-verlichting?\">Op zoek naar een totaaloplossing voor LED-verlichting?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>In de elektrotechniek is een hoogwaardige stroomonderbreker essentieel voor de bescherming van een systeem tegen overbelasting en kortsluiting. Veel ingenieurs en distributeurs denken echter dat de capaciteitswaarden die op het label van een stroomonderbreker staan vermeld, universeel toepasbaar zijn. Dit kan leiden tot brandgevaar als de berekeningen niet correct worden uitgevoerd.&nbsp;<\/p>\n\n\n\n<p>De werkelijke prestaties van een stroomonderbreker zijn geen statische waarde. Standaardwaarden worden gekalibreerd op zeeniveau in een gecontroleerde omgeving met temperaturen van 30\u00b0C tot 40\u00b0C, zoals gedefinieerd in IEC 60947-2. Installaties in de praktijk komen mogelijk niet overeen met deze gecontroleerde omgevingen vanwege diverse factoren, zoals omgevingstemperatuur, hoogte en luchtvochtigheid.<\/p>\n\n\n\n<p>Dit artikel helpt u te begrijpen hoe omgevingsfactoren &quot;vermogensreductie&quot; veroorzaken, wat essentieel is voor de betrouwbaarheid van stroomonderbrekers op lange termijn en de veiligheid van het systeem.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"550\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312-1024x550.webp\" alt=\"\" class=\"wp-image-15693\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312-1024x550.webp 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312-300x161.webp 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312-768x412.webp 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312-18x10.webp 18w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factors_to_Consider_in_Temperature_Derating\"><\/span>Factoren waarmee rekening moet worden gehouden bij temperatuurreductie.&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Temperatuurreductie verwijst naar een noodzakelijke verlaging van de nominale stroomsterkte van een stroomonderbreker wanneer de omstandigheden afwijken van de kalibratienormen. Factoren waarmee rekening moet worden gehouden zijn onder andere temperatuur, luchtvochtigheid en hoogte, die de betrouwbaarheid van de stroomonderbreker be\u00efnvloeden.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Ambient_Temperature\"><\/span>1. Omgevingstemperatuur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Meest <a href=\"https:\/\/www.tosunlux.eu\/nl\/miniature-circuit-breaker\/\">Miniatuurstroomonderbrekers (MCB&#039;s)<\/a> En <a href=\"https:\/\/www.tosunlux.eu\/nl\/molded-case-circuit-breaker\/\">Gegoten behuizing-stroomonderbrekers (MCCB&#039;s)<\/a> Er wordt gebruikgemaakt van een thermisch-magnetisch uitschakelmechanisme. Wanneer de bimetaalstrip door overmatige stroom wordt verhit, buigt deze en wordt het mechanisme geactiveerd.&nbsp;<\/p>\n\n\n\n<p>Aan de andere kant, wanneer de omgevingstemperatuur boven de standaardwaarde stijgt, vervormt de bimetaalstrip. Hierdoor schakelt de stroomonderbreker uit bij een lagere stroomsterkte dan normaal, een fenomeen dat bekend staat als temperatuurreductie. In extreem koude omgevingen kunnen echter gevaarlijke overstromen door de stroomonderbreker lopen, omdat er onvoldoende warmte is om de strip te vervormen.&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/www.tosunlux.eu\/nl\/company\/about-us\/\">Tosunlux<\/a>\u2019De oplossing van het bedrijf is het gebruik van vlamvertragende PC-behuizingen met een hoge thermische stabiliteit om een stabiele werking te garanderen. <a href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/what-is-circuit-breaker\/\">prestaties van de stroomonderbreker<\/a>. Ingenieurs moeten een &quot;groeperingsfactor&quot; toepassen om de gezamenlijke warmteafvoer te compenseren bij het installeren van meerdere stroomonderbrekers. Dit vereist vaak een reductie van de belastbaarheid met 20%, wat helpt om te voorkomen dat... <a href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/rccb-tripping\/\">hinderlijk struikelen<\/a>.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_High_Altitude_and_the_Thinning_Air\"><\/span>2. Grote hoogte en de ijlere lucht<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Naarmate de hoogte toeneemt, wordt de lucht ook ijler, wat de betrouwbaarheid van de stroomonderbreker be\u00efnvloedt. Op hoogtes boven de 2000 meter neemt de luchtdichtheid met ongeveer 101 TP3T af per 1000 meter hoogteverschil. Een stroomonderbreker die op zeeniveau voldoende warmte afvoert, kan bijvoorbeeld op 3000 meter hoogte 15 tot 201 TP3T extra interne warmte vasthouden.&nbsp;<\/p>\n\n\n\n<p>Bij het installeren van apparatuur in bergachtige gebieden moeten technici de spanning en stroomsterkte aanpassen aan de hoogtetabellen van de fabrikant. Een normale reductiefactor kan bijvoorbeeld betekenen dat de continue stroomcapaciteit van een 100A-stroomonderbreker wordt verlaagd tot 90A op 2500 meter boven zeeniveau. U kunt ook een grotere framemaat kiezen om de gewenste belastbaarheid te behouden.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Humidity_Effects_and_Corrosive_Atmospheres\"><\/span>3. Effecten van vochtigheid en corrosieve atmosferen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><a href=\"https:\/\/www.tosunlux.eu\/nl\/products\/ha-ip65-waterproof-distribution-board\/\"><img decoding=\"async\" src=\"https:\/\/bunny-wp-pullzone-8eh7ulciaa.b-cdn.net\/wp-content\/uploads\/2022\/05\/HA-4ways-1.jpg\" alt=\"\" style=\"width:302px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.tosunlux.eu\/nl\/products\/ha-ip65-waterproof-distribution-board\/\"><strong>IP65-verdeelborden<\/strong><\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Vochtigheid heeft een aanzienlijke invloed op de levensduur en de veiligheid van een stroomonderbrekerinstallatie en de werking ervan. In tropische gebieden kan een hoge luchtvochtigheid leiden tot condensvorming op het oppervlak van isolatiematerialen. Dit vocht kan geleidende koolstofsporen cre\u00ebren die kortsluiting of lekstroom naar de aarde kunnen veroorzaken.&nbsp;<\/p>\n\n\n\n<p>Tosunlux pakt de effecten van vochtigheid aan door middel van IP-geclassificeerde behuizingssystemen in plaats van te vertrouwen op de constructie van de stroomonderbreker. Het authentieke van het bedrijf <a href=\"https:\/\/www.tosunlux.eu\/nl\/products\/ha-ip65-waterproof-distribution-board\/\">IP65-verdeelborden<\/a> Beschermt de stroomonderbreker tegen vocht en vervuiling. Het is speciaal ontworpen voor omgevingen met een hoge luchtvochtigheid (90% TP3T+) waar het zout van de oceaan elektrische componenten kan aantasten of zelfs volledig kan vervuilen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Real-World_Applications_in_Emerging_Markets\"><\/span>Praktische toepassingen in opkomende markten<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Het bedienen van meer dan 93 landen in verschillende regio&#039;s brengt grote uitdagingen met zich mee op het gebied van extreme milieuomstandigheden. De stabiliteit van de infrastructuur in deze regio&#039;s wordt gewaarborgd door de temperatuurcorrectie correct toe te passen en hoogtefactoren nauwkeurig te berekenen.&nbsp;<\/p>\n\n\n\n<p>Hieronder vindt u enkele regio&#039;s en omgevingsfactoren waarmee u rekening moet houden:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zuid-Amerika (hooggelegen gebieden):<\/strong> In de mijnbouwgebieden van de Andes liggen de hoogtes vaak boven de 4000 meter. Daarom moeten de stroombrekers qua vermogen met ongeveer 10% tot 15% worden verlaagd ten opzichte van de stroomsterkte op zeeniveau in het gebied.<\/li>\n\n\n\n<li><strong>Het Midden-Oosten (extreme hitte):<\/strong> In buitenverdeelborden waar de interne temperatuur 60\u00b0C (140\u00b0F) of 70\u00b0C (158\u00b0F) kan bereiken, kan een stroomonderbreker met een nominale waarde van 100A slechts veilig 70A tot 80A verwerken.<\/li>\n\n\n\n<li><strong>Zuidoost-Azi\u00eb (hoge luchtvochtigheid):<\/strong> In industri\u00eble kustgebieden is het gebruik van IP65-gecertificeerde behuizingen, zoals de TOSUNLUX Real IP65 verdeelborden, vereist om interne componenten te beschermen tegen zout vocht.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Engineering_Best_Practices_for_Installation\"><\/span>Technische beste praktijken voor installatie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Distributeurs en ingenieurs moeten tijdens de ontwerpfase een strikt technisch protocol volgen. Dit om maximale betrouwbaarheid en bedrijfsveiligheid van de stroomonderbreker te garanderen. Hier volgt een checklist:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Raadpleeg de deratingtabellen:<\/strong> Raadpleeg altijd de technische gegevensbladen van de fabrikant voor specifieke correctiefactoren met betrekking tot hoogte en temperatuur.<\/li>\n\n\n\n<li><strong>Optimaliseer de paneelventilatie:<\/strong> Gebruik actieve koeling, zoals <a href=\"https:\/\/www.tosunlux.eu\/nl\/ac-ventilating-fan\/\">AC-ventilatoren<\/a>, en een opening van 10 mm aanhouden tussen stroomonderbrekers met hoge belasting om de luchtstroom te bevorderen.<\/li>\n\n\n\n<li><strong>Verhoogde framecapaciteit:<\/strong> Onder extreme omstandigheden is het vaak veiliger om een grotere framemaat te kiezen (bijvoorbeeld een 125A-frame). <a href=\"https:\/\/www.tosunlux.eu\/nl\/molded-case-circuit-breaker\/\">MCCB <\/a>(voor een belasting van 100A) om een betere thermische marge te bieden.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<style>\n\/* --- \u6837\u5f0f\u4ee3\u7801 --- *\/\n.tosun-cta-card {\n    position: relative;\n    width: 100%;\n    min-height: 320px;\n    padding: 40px;\n    margin: 40px 0;\n    border-radius: 12px;\n    overflow: hidden; 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\/* \u54c1\u724c\u84dd *\/\n    color: #ffffff;\n    border-color: #1767CE;\n}\n\n\/* \u6b21\u8981\u6309\u94ae (\u5173\u4e8e\u6211\u4eec) *\/\n.tosun-cta-button.secondary {\n    background-color: transparent;\n    color: #ffffff;\n    border-color: #ffffff; \/* \u767d\u8272\u63cf\u8fb9 *\/\n}\n\n\/* --- \u4ea4\u4e92 3 & 4\uff1a\u6309\u94ae\u60ac\u505c --- *\/\n.tosun-cta-button.primary:hover {\n    background-color: #1254a8; \/* \u54c1\u724c\u84dd\u52a0\u6df1 *\/\n    border-color: #1254a8;\n}\n\n.tosun-cta-button.secondary:hover {\n    background-color: #ffffff; \/* \u767d\u8272\u586b\u5145 *\/\n    color: #1767CE; \/* \u6587\u5b57\u53d8\u4e3a\u54c1\u724c\u84dd *\/\n}\n\n\/* \u54cd\u5e94\u5f0f *\/\n@media (max-width: 600px) {\n    .tosun-cta-card {\n        min-height: 280px;\n        padding: 30px 20px;\n    }\n    .tosun-cta-content h2 {\n        font-size: 24px;\n    }\n    .tosun-cta-content p {\n        font-size: 16px;\n    }\n    \/* \u6309\u94ae\u5806\u53e0 *\/\n    .tosun-cta-buttons {\n        flex-direction: column;\n        width: 100%;\n        gap: 12px;\n    }\n}\n<\/style>\n\n<div class=\"tosun-cta-card\">\n    <div class=\"tosun-cta-content\">\n        <h2><span class=\"ez-toc-section\" id=\"Looking_for_a_One-Stop_LED_Lighting_Solution\"><\/span>Op zoek naar een totaaloplossing voor LED-verlichting?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n        <p>Met 30 jaar gecertificeerde productie-ervaring zijn wij de vertrouwde partner voor al uw industri\u00eble en commerci\u00eble verlichtingsbehoeften.<\/p>\n        \n        <div class=\"tosun-cta-buttons\">\n            <a href=\"https:\/\/www.tosunlux.eu\/nl\/about-us\/\" class=\"tosun-cta-button secondary\">\n                Meer informatie (Over ons)\n            <\/a>\n            \n            <a href=\"https:\/\/www.tosunlux.eu\/nl\/contact-us\/\" class=\"tosun-cta-button primary\">\n                Vraag een offerte aan\n            <\/a>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<p>Als elektrotechnisch ingenieur of distributeur vereist het handhaven van optimale prestaties van stroomonderbrekers meer dan alleen het selecteren van de juiste stroomsterkte of amperage. Het is ook belangrijk om te begrijpen hoe verschillende factoren op elkaar inwerken in de elektrische natuurkunde. <\/p>\n\n\n\n<p>Grote hoogteverschillen, vochtigheidseffecten en temperatuurdalingen zijn enkele factoren waarmee u rekening moet houden. Tosunlux voldoet aan internationale normen zoals IEC 60947-2 om de technische basis te leggen voor veilige en duurzame stroomdistributie wereldwijd.&nbsp;<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In electrical engineering, a high-performance circuit breaker is essential for system protection against overloads and short circuits. However, many engineers and distributors think that the capacity ratings printed on a breaker&#8217;s label apply universally. This may lead to fire hazards if not calculated properly.&nbsp; Actual circuit breaker performance is not a static value. Standard ratings are calibrated at sea level in a controlled environment with temperatures from 30\u00b0C to 40\u00b0, as defined by IEC 60947-2. Real-world installations may not match these controlled environments due to a lot of factors, such as ambient temperature, high altitude, and humidity. This article helps you understand how environmental factors trigger \u201cderating,\u201d which is essential for long-term breaker reliability and system safety. Factors to Consider in Temperature Derating&nbsp; Temperature derating refers to a necessary reduction in a circuit breaker\u2019s functional current rating when conditions differ from calibration standards. Among the factors to consider are temperature, humidity, and high altitude, which affect the breaker\u2019s reliability.&nbsp; 1. Ambient Temperature Most Miniature Circuit Breakers (MCBs) and Molded Case Circuit Breakers (MCCBs) use a thermal-magnetic tripping mechanism. When excess current heats the bimetallic strip, it bends and trips the mechanism.&nbsp; On the other hand, when the surrounding ambient temperature rises above the standard, the bimetallic strip pre-warps. This causes the breaker to trip at a current lower than its normal rating, known as temperature derating. But, in extremely cold environments, dangerous overcurrents may flow through the breaker because there is not enough heat to deform the strip.&nbsp; Tosunlux\u2019s solution is to utilize flame-retardant PC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15693,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-15691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Managing Circuit Breaker Performance in Extreme Climates<\/title>\n<meta name=\"description\" content=\"Avoid fire hazards and system failure. Understand how environmental derating ensures stable circuit breaker performance in extreme heat or high altitude.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Managing Circuit Breaker Performance in Extreme Climates\" \/>\n<meta property=\"og:description\" content=\"Avoid fire hazards and system failure. Understand how environmental derating ensures stable circuit breaker performance in extreme heat or high altitude.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tosunlux.eu\/nl\/blog\/circuit-breaker-performance-derating\/\" \/>\n<meta property=\"og:site_name\" content=\"TOSUNlux Official Site - Electrical Circuit Breaker Manufacturer in China\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/TOSUNelectric\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-25T13:16:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-01T13:31:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2026\/03\/image-1772370565332-312.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"644\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschreven door\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/ru\\\/#\\\/schema\\\/person\\\/a775a92fd66d941e4cbb706a83cd3173\"},\"headline\":\"How Temperature, Altitude and Humidity Affects Circuit Breaker Performance\",\"datePublished\":\"2026-02-25T13:16:14+00:00\",\"dateModified\":\"2026-03-01T13:31:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/\"},\"wordCount\":877,\"publisher\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/ru\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tosunlux.eu\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/image-1772370565332-312.webp\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"nl-NL\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/\",\"url\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/\",\"name\":\"Managing Circuit Breaker Performance in Extreme Climates\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/ru\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.tosunlux.eu\\\/blog\\\/circuit-breaker-performance-derating\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tosunlux.eu\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/image-1772370565332-312.webp\",\"datePublished\":\"2026-02-25T13:16:14+00:00\",\"dateModified\":\"2026-03-01T13:31:45+00:00\",\"description\":\"Avoid fire hazards and system failure. 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