{"product_id":"commander-125-amp-circuit-breaker-bql2125-125a-240v-2-pole-bolt-on-circuit-breaker","title":"Commander 125 Amp Circuit Breaker BQL2125 - 125 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Commander BQL2125 125 Amp Circuit Breaker is a bolt-on, 2-pole molded case breaker designed to deliver reliable branch-circuit overcurrent and short-circuit protection for panelboards and loadcenters. With a 125A rating at 240V, it powers heavy-duty residential and light commercial circuits while maintaining precise protection performance in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus. This reduces contact looseness in installations subject to vibration or movement, improving long-term reliability and reducing nuisance trips caused by loose connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across varying temperatures and current surges. The combined thermal and magnetic elements respond quickly to overloads and short circuits, helping protect wiring, devices, and equipment downstream.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-loadcenter compatibility\u003c\/strong\u003e is designed to work with matching Commander loadcenters and panelboards, ensuring a cohesive protection system and straightforward replacement when servicing or expanding a panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential service panels, commercial distribution boards, and light industrial subpanels that require solid, dependable 125A protection on 240V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 125A, 2-Pole Bolt-On Breaker matters\u003c\/h3\u003e\n\u003cp\u003eIn installations where circuits carry significant load or where space constraints limit mounting options, bolt-on breakers offer a robust, long-lasting connection that plug-in solutions may not provide. The BQL2125’s rugged construction is built for panels that experience frequent cycling or environmental stress, helping maintain consistent protection without frequent maintenance.\u003c\/p\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain or branch-circuit protection in residential service panels with 240V circuits.\u003c\/li\u003e \u003cli\u003eLoading centers in light commercial setups that require dependable 125A protection for feeders or subfeed circuits.\u003c\/li\u003e \u003cli\u003eSubpanels in workshops, garages, or small manufacturing environments where vibration resistance and reliable trip behavior are essential.\u003c\/li\u003e \u003cli\u003eUpgrading older panels to a modern, thermal-magnetic protection scheme without changing the existing bus arrangement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: 125A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003ePart Number: BQL2125\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure alignment with compatible OEM loadcenters and panelboards for optimal performance.\u003c\/li\u003e \u003cli\u003eTorque mounting hardware to manufacturer specifications to maintain the solid bus connection.\u003c\/li\u003e \u003cli\u003eInspect the surrounding wiring for signs of wear or overheating before installation to maximize protection reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Commander 125 Amp Circuit Breaker BQL2125 when you need a rugged, dependable solution for splitting and protecting 240V circuits in home or light commercial electrical systems. Its bolt-on design, thermal-magnetic protection, and panelboard compatibility make it a practical upgrade or replacement that you can trust to keep circuits safe and responsive.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349483901090,"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_e6e027f8-d7bf-420e-afa2-13778174bdb2.png?v=1764147907","url":"https:\/\/www.ampstate.com\/products\/commander-125-amp-circuit-breaker-bql2125-125a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}