{"product_id":"siemens-bq2b020h-20a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B020H - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eSiemens BQ2B020H is a purpose-built 20A, 240V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Its rugged bolt-on mounting creates a rigid, vibration-resistant connection to the bus, maintaining precise alignment and consistent electrical performance even in installations with equipment movement or vibration. Key benefits and how they help you\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a solid, vibration-resistant bus connection, reducing contact looseness and arcing likelihood in busy electrical panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining a thermal element for sustained overloads with a magnetic element for rapid short-circuit disconnections. This means faster isolation of faulted circuits and minimized equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design for 240V circuits\u003c\/strong\u003e ensures both live conductors trip together, improving safety and reducing the risk of backfeed or partial energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case construction\u003c\/strong\u003e delivers robust insulation and heat tolerance, suitable for residential panels, commercial panels, and light industrial installations where reliability matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible and easy replacement\u003c\/strong\u003e engineered to fit matching Siemens OEM load centers and panelboards, helping you preserve panel timing and electrical fit during upgrades or replacements.\u003c\/li\u003e\n\u003c\/ul\u003e Who this is for and practical use cases\n\u003cul\u003e \u003cli\u003eHomeowners and residential electricians upgrading or expanding a main or sub-panel where 240V circuits require reliable protection.\u003c\/li\u003e \u003cli\u003eFacility managers overseeing small offices or retail spaces that rely on consistent circuit protection with minimal downtime.\u003c\/li\u003e \u003cli\u003eContractors wiring lighting, receptacle, or equipment circuits in light commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003eTechnicians performing replacements or maintenance in Siemens-compatible panelboards and load centers, seeking a like-for-like bolt-on solution.\u003c\/li\u003e\n\u003c\/ul\u003e Technical snapshot\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BQ2B020H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e Why choose the Siemens BQ2B020H for your electrical panel\n\u003cp\u003eWhen reliability, precise protection, and easy integration with existing Siemens equipment matter, the BQ2B020H stands out. It combines a robust mechanical design with a responsive thermal-magnetic trip, so you get predictable performance across everyday loads and fault conditions. Its 20A rating is ideal for safeguarding circuits that require dependable protection without unnecessary tripping, while the 240V, 2-pole configuration ensures safer, simultaneous disconnection of both conductors. Designed for residential, commercial, and light industrial applications, this breaker helps you maintain code-compliant protection with installers and homeowners appreciating the straightforward bolt-on installation and OEM-compatible fit.\u003c\/p\u003e Technical details at a glance\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-on for a solid, vibration-tolerant connection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Overcurrent and short-circuit protection for branch circuits\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Panelboards and load centers in homes, small businesses, and light industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349760954530,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_aea8b6f4-9f61-42a5-996f-2df3037ff774.png?v=1764156085","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b020h-20a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}