{"product_id":"siemens-b120afch-circuit-breaker","title":"Siemens | B120AFCH | Circuit Breaker | 120A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens B120AFCH circuit breaker—a precise, reliable overcurrent protection device designed to integrate seamlessly with compatible Siemens panels. Identified by the exact part number B120AFCH, this unit is rated at 120A, is a 1-pole breaker, and operates at 120V. It’s purpose-built for maintenance, retrofit, and replacement projects where matching specifications matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Always confirm fit and ratings before ordering. The part number is your best reference for compatibility with Siemens panels and accessories, helping you avoid mismatches that could impact safety and performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e—B120AFCH ensures a precise fit that matches your panel’s design and envelope.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole, 120V operation\u003c\/strong\u003e—protects a single hot leg, ideal for dedicated circuits within 120V systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e120A amperage rating\u003c\/strong\u003e—suitable for higher-load branch circuits where robust protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose-built for retrofit and replacement\u003c\/strong\u003e—designed to restore original protection quickly in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens compatibility\u003c\/strong\u003e— streamlined replacement within the Siemens ecosystem reduces the risk of mismatch.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn breaker in a Siemens panel that requires the B120AFCH reference\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 120V, 1-pole device is needed to upgrade protection on a specific circuit\u003c\/li\u003e \u003cli\u003eMaintenance inventories where technicians stock a verified, compatible part for rapid service calls\u003c\/li\u003e \u003cli\u003eNew installations within Siemens panels that call for a 120A, 1-pole protective device\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecification snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 120A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B120AFCH\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth upgrade or replacement: verify that your panel label supports a 120A, 1-pole device, and always power down the system and follow local electrical codes. When in doubt, consult a licensed electrician to ensure a safe, code-compliant installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426279477410,"sku":"B120AFCH","price":2838.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-b120afch-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}