{"product_id":"nfj434125-circuit-breaker","title":"NFJ434125 | Circuit Breaker | 125A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eNFJ434125 is a purpose-built industrial circuit breaker engineered for demanding 3-phase power environments. With a 125A rating, a 3-pole configuration, and a 480V operating range, this unit delivers dependable overcurrent protection for mid-size feeders, motors, and distribution circuits. Its design makes it a reliable choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker is a smart match\u003c\/h3\u003e\n\u003cp\u003eThree-pole protection ensures balanced safeguarding across all three phases, helping maintain stable load distribution in industrial, 3-phase systems. The 480V rating aligns with common industrial feeders and motor circuits, while the 125A capacity protects downstream equipment without triggering unnecessary trips. This combination supports reliable uptime for manufacturing lines, processing equipment, and large HVAC installations.\u003c\/p\u003e \u003ch3\u003eFit, compatibility, and replacement guidance\u003c\/h3\u003e\n\u003cp\u003eFor a trustworthy replacement, confirm fit and ratings before ordering. The part number NFJ434125 serves as the most accurate reference for compatibility with your existing panels and replacement schedules. When swapping in this breaker, verify that your panel supports a 3-pole device rated for 480V and 125A, and check any required mounting hardware or accessories per the panel manufacturer’s guidelines.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or service swaps in 3-phase, 480V electrical systems\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 125A, 3-pole breaker is required\u003c\/li\u003e \u003cli\u003eSpare protection for critical feeders in industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep organized records of the part number (NFJ434125) and the panel’s exact specifications to simplify future replacements.\u003c\/li\u003e \u003cli\u003eDuring installation, inspect terminations and wiring to ensure clean, secure connections.\u003c\/li\u003e \u003cli\u003eStore spare breakers in a labeled, temperature-controlled area to preserve performance and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424418484386,"sku":"NFJ434125","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nfj434125-circuit-breaker-125a-3-pole-480v-223.webp?v=1789356304","url":"https:\/\/www.ampstate.com\/products\/nfj434125-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}