{"product_id":"siemens-bq3b100l-circuit-breaker","title":"Siemens | BQ3B100L | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQ3B100L is a 3-pole circuit breaker designed for reliable protection in three-phase electrical systems. It’s specifically suited for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eCore details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e BQ3B100L is the best compatibility reference\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eChoosing the right 3-pole breaker ensures safe disconnection of all three conductors in a three-phase circuit, protecting both equipment and personnel. As a Siemens-specific component, this breaker aligns with the design and electrical characteristics of Siemens panels and distribution systems, helping to maintain system coordination and predictable trip behavior.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or failed breakers in existing Siemens-equipped panels\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or modernize a three-phase distribution with a known, compatible part\u003c\/li\u003e \u003cli\u003eReplacement: keep on hand a ready-to-install 3-pole solution for quick service\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eAlways reference the panel labeling and service documentation to confirm that BQ3B100L is listed as an acceptable type. The part number is the most dependable reference for compatibility, so match it exactly when ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427492810914,"sku":"BQ3B100L","price":921.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bq3b100l-circuit-breaker-3-pole-571.webp?v=1789730910","url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b100l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}