{"product_id":"nfj434250-circuit-breaker","title":"NFJ434250 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet NFJ434250, a rugged 3-pole industrial circuit breaker designed for dependable protection in maintenance, retrofit, and replacement projects. Built for 3-phase systems, this unit delivers balanced interruption across all three conductors, helping keep your equipment and operators safe even in demanding environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose NFJ434250?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e ensures comprehensive safeguarding for 3-phase circuits in industrial panels and switchgear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number accuracy\u003c\/strong\u003e NFJ434250 is the primary reference for compatibility, streamlining procurement and field replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for real-world projects\u003c\/strong\u003e specifically suited to maintenance, retrofit, and replacement scenarios where exact specs matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to verify compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm that the breaker's fit and ratings align with your panel or equipment before purchasing. Use NFJ434250 as the definitive compatibility reference.\u003c\/li\u003e \u003cli\u003eCheck mounting style and enclosure acceptance to ensure straightforward installation during a service window or retrofit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: perform quick, precise swaps with a like-for-like 3-pole breaker to restore circuit protection and minimize downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: replace aging components with a unit that matches the original 3-phase specifications to upgrade reliability without reengineering the system.\u003c\/li\u003e \u003cli\u003eReplacement: maintain a ready-to-deploy spare using the exact part number to shorten service calls and keep operations running smoothly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat you gain in practice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NFJ434250 3-pole circuit breaker is engineered to withstand the rigors of industrial use, providing dependable phase protection as part of a scalable power distribution strategy. Ordering by the exact part number reduces the risk of incompatibility and streamlines your maintenance workflow, helping you address critical power needs with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427137671330,"sku":"NFJ434250","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/nfj434250-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}