{"product_id":"njl424400na-circuit-breaker","title":"NJL424400NA | Circuit Breaker | 400A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the NJL424400NA industrial circuit breaker — a purpose-built protective device engineered for 480V systems. With a robust \u003cstrong\u003e400A\u003c\/strong\u003e rating and a \u003cstrong\u003e2-Pole\u003c\/strong\u003e design, it’s tailored for the exacting demands of maintenance, retrofit, and replacement projects where reliable, consistent protection is non-negotiable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: Use the part number \u003cstrong\u003eNJL424400NA\u003c\/strong\u003e as your primary reference to match panels, switchgear, or OEM components. Before ordering, it's essential to confirm fit and ratings to ensure seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade performance\u003c\/strong\u003e: Designed for 480V environments, this 2-pole breaker protects two hot legs, delivering dependable overcurrent protection in distribution panels, motor control centers, and other heavy-use applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for retrofit and replacement\u003c\/strong\u003e: A smart choice for upgrading or renewing protection in existing installations where 400A protection is required, helping minimize downtime and maintain system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\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 rating: \u003cstrong\u003e480V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cem\u003everify compatibility\u003c\/em\u003e by cross-referencing the exact part number with your equipment’s spec sheet or panel catalog.\u003c\/li\u003e \u003cli\u003eConsider your system's duty cycle and ensure any necessary mounting provisions or accessories are in place for a smooth retrofit or replacement.\u003c\/li\u003e \u003cli\u003eHandle and install with care, replacing only with the same model ID to preserve protective characteristics and trip behavior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re performing routine maintenance, replacing a failed unit, or upgrading protection across a 480V distribution network, the NJL424400NA circuit breaker provides the precise specifications and reliability you need to keep equipment protected and downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426430046370,"sku":"NJL424400NA","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/njl424400na-circuit-breaker-400a-2-pole-480v-524.webp?v=1789575506","url":"https:\/\/www.ampstate.com\/products\/njl424400na-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}