{"product_id":"siemens-bf125-25a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens BF125 - 25 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens BF125 — a dedicated 25A, 120V, 1-pole bolt-on molded case circuit breaker designed to shield your electrical system from overcurrent and short-circuit events. Built for dependable performance in panelboards and load centers, this breaker delivers a robust, vibration-resistant connection that stays secure even in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy choose the Siemens BF125\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid bus connection, reducing movement and wear from vibrations during equipment startup and daily operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines stable overload protection with fast magnetic tripping for short circuits, delivering repeatable protection when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work seamlessly with matching Siemens panelboards and load centers, minimizing compatibility risks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOne-pole configuration\u003c\/strong\u003e protects a single hot conductor at 25A, ideal for dedicated circuits in residential, commercial, and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 BF125\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 25A\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 scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential wiring projects where a reliable, single-pole 25A protection device is required for lighting or outlet circuits.\u003c\/li\u003e \u003cli\u003eSmall commercial installations needing a compact, bolt-on breaker that pairs with Siemens load centers.\u003c\/li\u003e \u003cli\u003eLight industrial applications where vibration resistance and solid bus connections help sustain performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and benefits\u003c\/h3\u003e\n\u003cp\u003eThe BF125 is more than a spec sheet entry—it’s a practical solution that stabilizes protection in busy electrical panels. By combining a secure mounting method with a precise thermal-magnetic trip mechanism, it minimizes nuisance trips while delivering fast response during short circuits. Its compatibility with Siemens OEM panelboards means you’re choosing a component designed to fit and perform as part of a cohesive system, reducing the risk of fitment issues and unnecessary alterations.\u003c\/p\u003e \u003cp\u003eFor installers and facility managers, the BF125 offers predictability and reliability across a range of environments. Use it in new builds or panel upgrades where a 120V, 25A, 1-pole bolt-on breaker is called for, and rest easy knowing it’s designed to protect your branch circuits effectively without compromising panel integrity.\u003c\/p\u003e \u003cp\u003eNote: Always ensure the breaker matches the panelboard listing and follow applicable electrical codes. Installation should be performed by a qualified electrician to preserve safety and performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349757808802,"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_9cf8f74d-cae7-4826-847d-a4ce7e72a788.png?v=1764156014","url":"https:\/\/www.ampstate.com\/products\/siemens-bf125-25a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}