{"product_id":"siemens-bq2b020-20a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B020 - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQ2B020 is a 20A, 240V, 2-pole bolt-on molded case circuit breaker designed to protect branch circuits with precision in panelboards and load centers. Built for reliability in residential, commercial, and light industrial settings, this breaker delivers consistent performance where it matters most — during faults and overloads.\u003c\/p\u003e \u003ch2\u003eKey features that matter in real-world panels\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to the bus, reducing looseness and arcing risk in busy panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection: the thermal element handles sustained overcurrent while the magnetic element responds instantly to high fault currents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design at 20A, 240V\u003c\/strong\u003e is ideal for 240V circuits and shared-neutral configurations common in modern installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e works seamlessly with matching Siemens load centers and panelboards for straightforward replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust molded case construction\u003c\/strong\u003e helps withstand daily panel use and simplifies installation in limited-space layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits from the Siemens BQ2B020\u003c\/h2\u003e\n\u003cp\u003eThis breaker is an excellent match for electricians and installers focusing on reliable branch-circuit protection across residential subpanels, commercial distribution panels, and light industrial panels. If you’re upgrading an older circuit breaker, repairing a failed unit, or stocking a Siemens-compatible panel, the BQ2B020 fits the bill.\u003c\/p\u003e \u003ch2\u003eWhy this matters for your electrical safety and uptime\u003c\/h2\u003e\n\u003cp\u003eThe combination of a secure bolt-on connection and a thermal-magnetic trip unit helps minimize nuisance trips while ensuring fast isolation during short circuits. With a 20A rating at 240V, it safeguards typical circuits such as multi-outlet runs, lighting and small-appliance circuits, and other 240V loads, without interrupting other branches unnecessarily.\u003c\/p\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\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 BQ2B020\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 \u003cp\u003eSecure the protection your panel demands with the Siemens BQ2B020—a dependable, 2-pole bolt-on solution designed for precise protection and straightforward compatibility in modern panel setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349760757922,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bq2b020-20-a-240-v-2-pole-bolt-on-circuit-breaker-ampstate-886.webp?v=1788721828","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b020-20a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}