{"product_id":"siemens-ba120afc-20a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens BA120AFC - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BA120AFC is a dependable 20A, 120V, 1-pole bolt-on molded case circuit breaker designed to safeguard your electrical panelboards and load centers. Built for branch circuit overcurrent and short-circuit protection, this breaker delivers reliable performance where it matters most—inside homes, small businesses, and light industrial environments.\u003c\/p\u003e \u003ch3\u003eWhy the BA120AFC stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays seated through temperature changes and routine service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a range of loads, helping to prevent nuisance trips while still guarding against faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is designed to work with matching Siemens load centers and panelboards, making upgrades or replacements straightforward and reliable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\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 BA120AFC\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 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\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 and practical applications\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or expanding an electrical system, the BA120AFC serves as a reliable bolt-on solution for panelboards and load centers that require robust branch-circuit protection. It’s an excellent match for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels undergoing panel upgrades or rewiring projects\u003c\/li\u003e \u003cli\u003eCommercial spaces with defined circuit zones, lighting, and receptacle groups\u003c\/li\u003e \u003cli\u003eLight industrial setups with smaller machinery or equipment on dedicated branches\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to expect in real-world performance\u003c\/h3\u003e\n\u003cp\u003eWith its thermal-magnetic trip mechanism, this breaker responds quickly to faults while maintaining consistent protection under varying loads. The bolt-on design ensures a secure, vibration-resistant connection to the bus, reducing the chance of loose contacts in environments with temperature fluctuations or vibration. By choosing a Siemens BA120AFC, you’re aligning with a proven, OEM-compatible solution that integrates smoothly with existing Siemens panelboards and load centers.\u003c\/p\u003e \u003cp\u003eWhether you’re a professional electrician, facility manager, or a DIY enthusiast upgrading a residential panel, the BA120AFC delivers precise protection, straightforward installation, and dependable performance for years to come.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349756530850,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ba120afc-20-a-120-v-1-pole-bolt-on-circuit-breaker-ampstate-971.webp?v=1788721300","url":"https:\/\/www.ampstate.com\/products\/siemens-ba120afc-20a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}