{"product_id":"commander-100-amp-circuit-breaker-qbh3100-100a-circuit-breaker","title":"Commander 100 Amp Circuit Breaker QBH3100 - 100 A Circuit Breaker | AmpState","description":"\u003cdiv\u003eThe Commander QBH3100 is a 100 A molded case circuit breaker crafted for reliable branch circuit protection and short-circuit defense in panelboards and load centers. With a compact form factor that respects precious panel space, this breaker helps you design safer, more organized electrical layouts without sacrificing capacity. \u003ch2\u003eWhy choose the Commander 100 Amp Circuit Breaker QBH3100\u003c\/h2\u003e\n\u003cp\u003eDesigned for dependable protection across residential, commercial, and light industrial environments, the QBH3100 stands out with its precise thermal-magnetic trip unit. It delivers stable, repeatable performance as loads fluctuate and temperatures vary, reducing nuisance trips while responding rapidly to true faults. Its compatibility with matching OEM load centers means you can upgrade, replace, or expand systems without compatibility headaches.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world installs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e—maximizes panel space so you can fit more circuits in dense panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e—provides balanced protection against both overloads and short circuits with consistent trip characteristics across varying conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible construction\u003c\/strong\u003e—engineered to pair with the same manufacturer’s load centers for straightforward replacement or expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e—suitable for residential service panels, commercial panelboards, and light industrial installations needing reliable overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QBH3100\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading older panels in single-family homes where space is tight, but circuit count is growing.\u003c\/li\u003e \u003cli\u003eAdding circuits to commercial or light industrial panelboards that require reliable, code-compliant overcurrent protection.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker in OEM-compatible load centers to restore service quickly and safely.\u003c\/li\u003e \u003cli\u003eRationalizing panel layouts in new builds where panel space efficiency is a priority.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker uniquely valuable\u003c\/h3\u003e\n\u003cp\u003eBeyond its basic specs, the QBH3100 delivers peace of mind through predictable protection behavior and straightforward integration. The thermal-magnetic mechanism means the device reacts to sustained overloads and instantaneous short circuits with a well-characterized trip curve, helping electricians plan protective strategies with confidence. Its compact footprint reduces panel depth and allows for cleaner, more scalable wiring layouts. When you pair it with OEM load centers, you’re choosing a solution designed for long-term compatibility, easier maintenance, and fewer mismatches during replacements or upgrades.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and optimization\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with the exact OEM lineup before installation to ensure seamless fit and electrical performance.\u003c\/li\u003e \u003cli\u003eWhen expanding circuits, map load calculations carefully to distribute demand across acceptable feeders and avoid overloading any single leg.\u003c\/li\u003e \u003cli\u003eKeep documentation handy for service upgrades—record the QBH3100 as part of your inspection logs and replacement history.\u003c\/li\u003e \u003cli\u003ePair with properly rated conductors and follow manufacturer torque specs to maintain secure terminations and reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerformance you can feel in everyday operations\u003c\/h3\u003e\n\u003cp\u003eWhether you’re protecting lighting circuits in a busy commercial space or safeguarding critical power for a residential workshop, the QBH3100 delivers consistent, dependable protection. Its design supports efficient panel layouts, so you can meet code requirements while keeping accessibility and wire routing clean. The result is safer electrical systems, fewer unexpected trips, and a smoother path to future expansions or renovations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349483802786,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_f3418b65-a563-4aa4-8145-8eeb81c2a58e.png?v=1764147905","url":"https:\/\/www.ampstate.com\/products\/commander-100-amp-circuit-breaker-qbh3100-100a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}