{"product_id":"siemens-hed42b050l-circuit-breaker","title":"Siemens | HED42B050L | Circuit Breaker | 2-Pole | 42kA","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HED42B050L\u003c\/strong\u003e — a 2-pole circuit breaker with a 42 kA interrupting capacity, crafted for dependable protection in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eThis unit is specifically designed to align with Siemens systems, and its part number HED42B050L serves as the most reliable reference for compatibility. Before ordering, confirm fit and ratings to ensure a seamless, drop-in replacement that maintains the integrity of your protection scheme.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 42 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED42B050L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned to fit precisely within Siemens panels, this 2-pole breaker enables simultaneous interruption on two conductors, streamlining protection for circuits requiring coordinated disconnection. Its 42 kA interrupting capacity provides robust protection for demanding commercial and light-industrial applications, reducing the risk of nuisance trips in routine system operations.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine service and maintenance within Siemens electrical panels\u003c\/li\u003e \u003cli\u003eRetrofit projects that update protective devices while preserving existing wiring configurations\u003c\/li\u003e \u003cli\u003eReplacement for failed or aging 2-pole breakers in compatible Siemens systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure the perfect fit\u003c\/h3\u003e\n\u003cp\u003eAlways \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e before ordering. Use the part number \u003cstrong\u003eHED42B050L\u003c\/strong\u003e as the primary compatibility reference, and cross-check against your specific Siemens panel model and the required interrupting capacity to avoid incompatibilities.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424826871970,"sku":"HED42B050L","price":551.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b050l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}