{"product_id":"square-d-q2m3100mb-circuit-breaker","title":"Square D | Q2M3100MB | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D Q2M3100MB is a purpose-built 3-pole bolt-on circuit breaker designed for maintenance, retrofit, and replacement applications in compatible Square D panels. With the part number Q2M3100MB serving as the most reliable reference for compatibility, this unit helps ensure you’re selecting the exact device your system requires.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker matters in your electrical system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e—provides synchronized interruption across all three phases, essential for balanced 3‑phase circuits and reliable shutdown during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e—a sturdy, secure connection that’s well-suited for service panels and retrofit projects where mechanical reliability matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e—identified by part number Q2M3100MB, making it the clearest reference for fit and ratings in compatible equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases\u003c\/strong\u003e—designed for maintenance, retrofit, and replacement tasks, helping you modernize or repair distributed power without sacrificing compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to check before you buy\u003c\/h3\u003e\n\u003cp\u003eBecause the right breaker depends on your panel’s specifications, always \u003cstrong\u003econfirm fit and ratings against your panel catalog\u003c\/strong\u003e before ordering. The part number Q2M3100MB is your most dependable guide to ensuring seamless compatibility and electrical safety.\u003c\/p\u003e \u003ch3\u003eIdeal scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging 3‑pole breakers in commercial or industrial Square D installations.\u003c\/li\u003e \u003cli\u003eRetrofitting panels to restore full three‑phase protection after component wear or failure.\u003c\/li\u003e \u003cli\u003eMaintaining system reliability in environments where exact Square D components are required for warranty and performance integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCoordinate with a qualified electrician to verify that the panel accepts bolt-on 3‑pole breakers and that theRatings align with system fault current and continuous load requirements.\u003c\/li\u003e \u003cli\u003eKeep the reference part number handy during ordering to avoid mismatches in configuration or mounting style.\u003c\/li\u003e \u003cli\u003eStore and handle the breaker in a dry, clean environment to preserve terminal integrity and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425678020770,"sku":"Q2M3100MB","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-q2m3100mb-circuit-breaker-3-pole-bolt-883.webp?v=1789440466","url":"https:\/\/www.ampstate.com\/products\/square-d-q2m3100mb-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}