{"product_id":"njl424500na-circuit-breaker","title":"NJL424500NA | Circuit Breaker | 500A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding industrial environments, the NJL424500NA circuit breaker delivers reliable overload protection for 480V systems. This 500A, 2-pole unit is ideal for maintenance, retrofit, or replacement projects where exact specs are critical.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 500 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eThe NJL424500NA isn’t just a generic breaker. It’s a purpose-built industrial solution where the part number itself serves as the most reliable reference for compatibility. This makes it especially well-suited for panel upgrades, spare parts inventories, and retrofits where maintaining exact ratings ensures safety, performance, and continuity of service.\u003c\/p\u003e \u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Replace a worn or failed unit to restore circuit protection without changing other components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit:\u003c\/strong\u003e Upgrade existing electrical infrastructure to meet updated safety standards or performance requirements in 480V systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Quick, dependable replacement for end-of-life breakers that match 500A, 2-pole, 480V specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, safety, and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e. The part number NJL424500NA provides the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eEnsure your panel and wiring are rated for 500A and 480V operation and that the breaker’s form factor matches the panel’s slot configuration.\u003c\/li\u003e \u003cli\u003eFollow proper electrical safety procedures and consult a licensed electrician if you’re unsure about installation or testing procedures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the NJL424500NA, you gain a trusted, purpose-built solution that safeguards high-demand equipment and critical circuits in industrial settings. Expect precise compatibility, straightforward replacement, and dependable protection in maintenance schedules, retrofits, or upgrades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426430013602,"sku":"NJL424500NA","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/njl424500na-circuit-breaker-500a-2-pole-480v-315.webp?v=1789575498","url":"https:\/\/www.ampstate.com\/products\/njl424500na-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}