{"product_id":"siemens-bf220a-20a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BF220 A - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BF220A is a dependable, straight-forward safeguard for your electrical system: a 20A, 240V, 2-pole bolt-on molded case circuit breaker designed to protect branch circuits from overcurrent and short circuits. Engineered to integrate seamlessly with Siemens OEM panelboards and loadcenters, this breaker delivers precise protection where it matters most—inside residential, commercial, and light industrial distributions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting for a rigid, vibration-resistant bus connection\u003c\/strong\u003e — a secure fit that helps maintain consistent electrical contact and reduces nuisance trips due to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — combines overload protection (thermal) with short-circuit protection (magnetic) for stable, repeatable response across varying loads and conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible reliability\u003c\/strong\u003e — specifically designed to match Siemens load centers and panelboards, ensuring compatibility, easy replacement, and streamlined installation.\u003c\/li\u003e\n\u003c\/ul\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 BF220A\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 scenarios\u003c\/h3\u003e\n\u003cp\u003eInstall the BF220A in panelboards and loadcenters where a compact, reliable 2-pole solution is needed to protect 20-amp branch circuits. It’s well-suited for residential subpanels, small commercial distributions, and light industrial feeders where vibration resistance and durable connection matter. If you’re replacing a worn breaker or upgrading a panelboard, the BF220A offers a seamless fit with Siemens’ own families of equipment, reducing compatibility concerns and installation time.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eBeyond its basic specs, the BF220A focuses on real-world reliability:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSecure, bolt-on mounting eliminates loose connections that can cause intermittent trips.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic mechanism provides a predictable, calibrated protection curve ideal for varied loads and duty cycles.\u003c\/li\u003e \u003cli\u003eDesigned to slot into Siemens panel ecosystems without adapters, ensuring consistent performance and easier maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard is compatible with the BF220A to ensure proper fit and labeling.\u003c\/li\u003e \u003cli\u003eFollow standard electrical codes and Siemens installation guidelines when wiring and securing the breaker.\u003c\/li\u003e \u003cli\u003eUse this 20A, 240V breaker to protect individual branch circuits that require reliable limit protection and quick interruption in the event of a fault.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349758398626,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bf220-a-20-240-v-2-pole-bolt-on-circuit-breaker-ampstate-693.webp?v=1788721534","url":"https:\/\/www.ampstate.com\/products\/siemens-bf220a-20a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}