{"product_id":"commander-50-amp-circuit-breaker-bql350-50a-240v-3-pole-bolt-on-circuit-breaker","title":"Commander 50 Amp Circuit Breaker BQL350 - 50 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cstrong\u003eCommander BQL350 — 50 Amp, 240V, 3-Pole Bolt-On Molded Case Circuit Breaker\u003c\/strong\u003e designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. This bolt-on unit delivers a rigid, vibration-resistant bus connection paired with a thermal-magnetic trip system that provides stable, repeatable protection across a wide range of operating conditions. Built to integrate with matching OEM loadcenters, it’s an ideal upgrade or replacement part for multiple applications. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Ensures a rigid, vibration-resistant bus connection that stays tight in demanding environments, reducing the risk of arcing or loose connections over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers dependable protection by coordinating thermal (overload) and magnetic (short-circuit) responses for precise, repeatable trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 240V configuration:\u003c\/strong\u003e Supports three-phase circuits or 240V single-source distributions, making it suitable for residential service panels, commercial panels, and light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design:\u003c\/strong\u003e Compatible with matching Commander OEM loadcenters and panelboards, simplifying replacements and upgrades without compromising performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged molded-case construction:\u003c\/strong\u003e Built to withstand everyday panelboard environments while delivering reliable protection for critical circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most from the Commander BQL350? electricians, facilities managers, and panel technicians seeking a reliable, ready-to-install solution for branch circuit overcurrent protection in panelboards and loadcenters. It’s particularly well-suited for upgrading existing panels in homes, retail\/commercial spaces, and light industrial setups where a sturdy, vibration-resistant connection and predictable protection are critical.\u003c\/p\u003e \u003cp\u003eWhy choose this model over generic alternatives? The combination of bolt-on mounting, a robust thermal-magnetic trip unit, and seamless OEM compatibility translates to fewer installation headaches, consistent protection, and long-term reliability in real-world conditions. This is the kind of breaker you install once and trust for years of service in demanding electrical environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFollow panelboard manufacturer torque specifications when securing the bolt-on mounting to ensure optimal contact and minimize loosening from vibration.\u003c\/li\u003e \u003cli\u003eUse in circuits that benefit from coordinated thermal and magnetic protection to prevent nuisance trips and protect sensitive equipment from short circuits.\u003c\/li\u003e \u003cli\u003ePair with the corresponding Commander loadcenter or OEM panelboard to maintain guaranteed fit and performance.\u003c\/li\u003e \u003cli\u003eVerify circuit labeling and documentation after installation to ensure clear, ongoing circuit identification and safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349486588066,"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_ba281c41-64dd-4099-9a95-8d9c0c1acdfc.png?v=1764147960","url":"https:\/\/www.ampstate.com\/products\/commander-50-amp-circuit-breaker-bql350-50a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}