{"product_id":"njl424400-circuit-breaker","title":"NJL424400 | Circuit Breaker | 400A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eNJL424400 Industrial Circuit Breaker\u003c\/strong\u003e delivers dependable overcurrent protection for demanding electrical systems. With a rating of \u003cstrong\u003e400A\u003c\/strong\u003e and \u003cstrong\u003etwo poles\u003c\/strong\u003e, this unit is designed for \u003cstrong\u003e480V\u003c\/strong\u003e applications in manufacturing, processing, and heavy equipment environments.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specs matter, this breaker ensures you maintain system integrity when upgrading or restoring protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: \u003cstrong\u003e400A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e2-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e480V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this NJL424400 model\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact reference for compatibility: The part number \u003cstrong\u003eNJL424400\u003c\/strong\u003e ensures a precise fit with compatible panels and equipment. Use the part number as the primary reference when verifying fit.\u003c\/li\u003e \u003cli\u003eEnhanced protection for 480V systems: Supports reliable isolation and interruption of fault currents in industrial settings.\u003c\/li\u003e \u003cli\u003eReliable for rugged environments: Built to handle continuous operation in maintenance and replacement scenarios without compromising safety.\u003c\/li\u003e \u003cli\u003eVersatile use cases: Ideal as a spare part for service inventories, or as the targeted replacement in retrofit projects to align with existing infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Swap in a proven 400A, 2-pole breaker to restore full protection with minimal downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade or adapt panels to 480V distribution while maintaining correct protection and coordination.\u003c\/li\u003e \u003cli\u003eReplacement: Preserve system continuity by selecting the exact NJL424400 when a breaker fails or reaches end of life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The \u003cstrong\u003eNJL424400\u003c\/strong\u003e part number is the best compatibility reference.\u003c\/li\u003e \u003cli\u003eReview panel listings and termination styles to ensure a seamless installation.\u003c\/li\u003e \u003cli\u003eKeep a spare NJL424400 on hand to reduce downtime during planned maintenance or unexpected outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSecure your 480V, 400A two-pole protection with the NJL424400 circuit breaker and safeguard your industrial operations with reliable, match-ready performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426430079138,"sku":"NJL424400","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/njl424400-circuit-breaker-400a-2-pole-480v-941.webp?v=1789575514","url":"https:\/\/www.ampstate.com\/products\/njl424400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}