{"product_id":"zinsco-qfb125-2-circuit-breaker","title":"Zinsco | QFB125-2 | Circuit Breaker | 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eZinsco QFB125-2\u003c\/strong\u003e is a purpose-built 2-pole circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. When your system requires a precise two-pole solution, this unit delivers the intended form factor and mechanical fit to keep electrical protection consistent and reliable. The part number QFB125-2 is your best reference for compatibility, so be sure to verify fit and ratings before ordering.\u003c\/p\u003e \u003ch3\u003eKey advantages that matter in the field\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 2-pole design\u003c\/strong\u003e: Specifically configured for two-pole circuits, enabling proper protection for 240V applications and multi-wire branch scenarios in compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e: The QFB125-2 part number serves as the most reliable guide when matching breakers to your panel and service specifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined maintenance and retrofits\u003c\/strong\u003e: Ideal for projects where upgrading or restoring panel protection requires a compatible, factory-specified replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cp\u003eDesigned for electrical professionals and knowledgeable DIYers who need a dependable 2-pole breaker that aligns with specific panel requirements. If your installation calls for a two-pole solution with a matching QFB125-2 specification, this unit simplifies procurement and installation by using a single, unambiguous reference point—the part number.\u003c\/p\u003e \u003ch3\u003eUsage scenarios and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn 2-pole breaker in a retrofit or service upgrade, without compromising panel protection.\u003c\/li\u003e \u003cli\u003ePerforming routine maintenance where a precise QFB125-2 specification is required to maintain system ratings and safe operation.\u003c\/li\u003e \u003cli\u003eUpdating panels to support 240V appliance circuits while preserving original protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before purchasing. The QFB125-2 part number is the strongest reference for ensuring your panel accepts this breaker.\u003c\/li\u003e \u003cli\u003eCheck that your panel’s labeling and electrical rating align with the two-pole configuration and the QFB125-2 specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for a smoother job\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eGather the panel labeling and current rating information prior to ordering to prevent mismatches.\u003c\/li\u003e \u003cli\u003eInspect the mounting and bus connection area during replacement to ensure secure seating and reliable contact.\u003c\/li\u003e \u003cli\u003eAdhere to standard electrical safety practices: disconnect power, use PPE, and follow manufacturer guidelines when handling breakers and panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46425646137506,"sku":"QFB125-2","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/zinsco-qfb125-2-circuit-breaker-pole-205.webp?v=1789436755","url":"https:\/\/www.ampstate.com\/products\/zinsco-qfb125-2-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}