{"product_id":"siemens-fj2-b125-125a-2p-600v-circuit-breaker","title":"Siemens FJ2-B125 Circuit Breaker, 125A, 2-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FJ2-B125 Circuit Breaker is built for industrial electrical service, maintenance, and replacement projects. This two-pole device delivers reliable overcurrent protection for circuits up to 600V, with a 125 A rating, helping protect equipment and minimize downtime in demanding environments.\u003c\/p\u003e \u003ch2\u003eWhat sets the FJ2-B125 apart\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e125 A, 2-pole design provides simultaneous protection and disconnection for both conductors in a circuit.\u003c\/li\u003e \u003cli\u003e600 V maximum voltage rating makes it suitable for a wide range of industrial distribution applications.\u003c\/li\u003e \u003cli\u003ePart number FJ2-B125 serves as the key compatibility reference for matching with your panel or enclosure.\u003c\/li\u003e \u003cli\u003eEngineered for industrial service, maintenance, and replacement projects where dependable protection matters most.\u003c\/li\u003e \u003cli\u003eClear, straightforward compatibility check: verify fit by part number and application requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: FJ2-B125\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 125 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial electrical service panels, machine control circuits, and feeder mains that require robust protection.\u003c\/li\u003e \u003cli\u003eMaintenance and replacement projects where quick, reliable circuit protection is essential to minimize downtime.\u003c\/li\u003e \u003cli\u003eApplications that demand a two-pole disconnect to de-energize double-insulated or multi-conductor circuits safely.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003eVerify fit by part number and application requirements to ensure seamless integration with your equipment. If you need help matching a part number or confirming compatibility, send us a message—our team can assist with specifics to get you a clean, proper match.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415985934498,"sku":"FJ2-B125","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-fj2-b125-125a-2p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}