{"product_id":"siemens-bq2b050-50a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B050 - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens BQ2B050—a 50A, 240V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. Engineered for durability, this unit features a secure bolt-on mounting that creates a rigid, vibration‑resistant bus connection, helping maintain consistent performance even in demanding installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e delivers a mechanical牢 connection that resists vibration and maintains reliable electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise thermal overload sensing with magnetic short-circuit protection for stable, repeatable protection performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 50A, 240V design:\u003c\/strong\u003e provides coordinated protection across both poles for 240V circuits and clean, simultaneous disconnection during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e manufactured to align with matching Siemens OEM load centers and panelboards for straightforward replacement and seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e well suited for residential, commercial, and light industrial electrical systems needing reliable branch circuit protection.\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\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: BQ2B050\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 50 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is an ideal upgrade or replacement for panelboards and load centers that require robust 50 A protection on 240 V circuits. It’s particularly beneficial in spaces where vibration is a factor, where a secure bolt-on connection helps prevent loose contacts, arcing, and nuisance trips. If you’re wiring a new 240 V circuit or upgrading an older panel, the Siemens BQ2B050 provides dependable, coordinated protection with a design that’s purpose-built for Siemens OEM systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the Siemens BQ2B050?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirect compatibility with Siemens panelboards and load centers simplifies installation and reduces compatibility concerns.\u003c\/li\u003e \u003cli\u003eThermal-magnetic protection minimizes nuisance trips while delivering fast disconnection during short circuits.\u003c\/li\u003e \u003cli\u003eBolt-on mounting delivers a rugged, vibration-resistant connection ideal for varied environments.\u003c\/li\u003e \u003cli\u003eDesigned for residential, commercial, and light industrial applications—covering a broad range of protection needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that the load center or panelboard is rated for 240 V and can accommodate a 2-pole bolt-on MCCB of 50 A.\u003c\/li\u003e \u003cli\u003eWhen wiring, follow local electrical codes and Siemens installation guidelines to ensure proper torque and secure mounting.\u003c\/li\u003e \u003cli\u003eUse as part of a coordinated protection strategy—pair with compatible Siemens devices to maintain consistent trip characteristics across the panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349762101410,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bq2b050-50-a-240-v-2-pole-bolt-on-circuit-breaker-ampstate-535.webp?v=1788721960","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b050-50a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}