{"product_id":"thomas-betts-qcb50-circuit-breaker","title":"Thomas \u0026 Betts | QCB50 | Circuit Breaker | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eThomas \u0026amp; Betts QCB50\u003c\/strong\u003e is a dependable 2-pole 240V bolt-on circuit breaker designed for precise compatibility in maintenance, retrofit, and replacement projects. If your service panel or enclosure requires an exact part reference, the QCB50 is the model to trust.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you're restoring protected circuits in a panel lineup, using the exact QCB50 part number reduces guesswork and helps ensure correct electrical characteristics and fit. This breaker is aligned with the specifications associated with the QCB50 catalog entry, making it a reliable choice for technicians who need predictable performance and straightforward installation during service windows.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanel maintenance and component replacements requiring a 2-pole, 240V bolt-on breaker.\u003c\/li\u003e \u003cli\u003eRetrofits in commercial or light-industrial installations that demand a precise part number for compatibility.\u003c\/li\u003e \u003cli\u003eRepairs in legacy systems where sticking to established breakers avoids mismatched ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The part number QCB50 is the best reference to verify compatibility with your panel, enclosure, and load requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Thomas \u0026 Betts","offers":[{"title":"Default Title","offer_id":46427536162978,"sku":"QCB50","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/thomas-betts-qcb50-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}