{"product_id":"siemens-lgb2k040b-circuit-breaker","title":"Siemens | LGB2K040B | Circuit Breaker | 40A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens LGB2K040B circuit breaker—an exact-match solution designed for dependable overcurrent protection in maintenance, retrofit, and replacement projects. With a 40A rating, 2-pole configuration, and a 600V maximum rating, this unit is purpose-built to align with your existing specifications and keep electrical systems operating safely and reliably. Always verify fit and ratings before ordering; the LGB2K040B part number is the strongest reference for compatibility.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LGB2K040B\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit replacement\u003c\/strong\u003e: Designed to match the original equipment specifications, ensuring consistent protection characteristics and mounting compatibility in Siemens-compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect reference for compatibility\u003c\/strong\u003e: Reliably verified by part number LGB2K040B, reducing guesswork during maintenance or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust, purpose-built build\u003c\/strong\u003e: Crafted to endure routine switching and provide reliable fault protection within your 600V system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance of electrical panels where a precise 40A, 2-pole, 600V breaker is required.\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or replace aging breakers with a model that matches the original specifications.\u003c\/li\u003e \u003cli\u003eReplacement in existing circuits that specify the LGB2K040B part number for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify fit and order with confidence\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm these details align with your installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart number: LGB2K040B as the primary compatibility reference\u003c\/li\u003e \u003cli\u003eAmperage: 40A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best results, compare your current breaker’s label to the LGB2K040B specifications and ensure your panel is designed to accept Siemens-compatible, two-pole 40A devices at 600V. This precise match helps preserve electrical safety protocols and minimizes the risk of incompatibility during service or retrofits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eChoose the Siemens LGB2K040B for a confident, specification-aligned replacement that keeps your system protected and running smoothly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426651918498,"sku":"LGB2K040B","price":2830.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgb2k040b-circuit-breaker-40a-2-pole-600v-216.webp?v=1789601039","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb2k040b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}