{"product_id":"siemens-bq2b02000s01-20a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B02000S01 - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BQ2B02000S01 is a purpose-built 20A, 240V, 2-pole bolt-on molded case circuit breaker designed to protect your essential branch circuits with precision. Built for panels and load centers, this unit blends robust mechanical stability with dependable electrical response, ensuring your system stays protected even in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, reducing the risk of loose connections or arcing in panels subject to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection—the thermal element responds to gradual overloads, while the magnetic element rapidly interrupts for high-current faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built for seamless integration with matching Siemens load centers and panelboards, helping ensure electrical performance and system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole design\u003c\/strong\u003e protects both hot conductors simultaneously, delivering synchronized protection for multi-wire branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential, commercial, and light industrial installations that require dependable circuit protection with a compact, bolt-on form factor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BQ2B02000S01\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\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting individual branch circuits within residential panelboards where reliable 20A, 240V protection is required.\u003c\/li\u003e \u003cli\u003eUpgrading or configuring panelboards and load centers in light commercial spaces and small industrial setups.\u003c\/li\u003e \u003cli\u003eSituations where vibration resistance is important, such as equipment rooms, mechanical spaces, or panels mounted against structural movement.\u003c\/li\u003e \u003cli\u003eRetrofits that demand a bolt-on, sturdy connection for a durable, long-term installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eFor best results, ensure you're pairing the \u003cstrong\u003eSiemens BQ2B02000S01\u003c\/strong\u003e with compatible Siemens OEM load centers and panelboards. Verify panel ratings align with a 240V supply and a 20A circuit. Keep bus connections clean and free of debris, and follow standard electrical code guidelines during installation. The bolt-on mount is designed to provide a solid, secure fit that withstands typical electrical panel vibration, helping maintain consistent protection over time. If you’re unsure about installation, consult a qualified electrician to ensure proper alignment, torque, and safety compliance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349760823458,"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_a03d8a42-c6a1-4db9-85c6-ef6b88fd3394.png?v=1764156083","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b02000s01-20a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}