{"product_id":"nfj437070-circuit-breaker","title":"NFJ437070 | Circuit Breaker | 70A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your industrial electrical system demands reliable protection for 3-phase 480V circuits, the NFJ437070 circuit breaker stands out as a precise, ready-to-install solution. With a 70A rating across 3 poles, this unit is designed for maintenance, retrofit, and replacement scenarios where exact specifications matter—so you can keep machines running smoothly and safely.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 70A\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 \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number NFJ437070 is your best compatibility guide\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker uniquely capable\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned to protect 3-phase, 480V circuits in demanding industrial environments, helping minimize fault current damage and downtime.\u003c\/li\u003e \u003cli\u003eExact spec compatibility for retrofit or replacement projects, ensuring seamless integration with existing panels and wiring without risky improvisation.\u003c\/li\u003e \u003cli\u003eBuilt to support routine maintenance cycles, enabling quick swaps to keep production lines online with minimal disruption.\u003c\/li\u003e \u003cli\u003eCompact, robust form factor suitable for crowded electrical rooms where space and reliability are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofitting older controls and motor drive systems in manufacturing lines that run on 480V three-phase power.\u003c\/li\u003e \u003cli\u003eSpare-part strategy for maintenance inventories—keep NFJ437070 on hand for rapid replacements and minimized downtime.\u003c\/li\u003e \u003cli\u003eReplacement of failed breakers in panel boards that require a 70A, 3-pole, 480V protection profile.\u003c\/li\u003e \u003cli\u003eNew installations in industrial facilities where precise current rating and three-pole configuration are essential for safe, reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, compatibility, and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The NFJ437070 part number is the most reliable reference for compatibility with your panel and bus structure.\u003c\/li\u003e \u003cli\u003eVerify that your 480V system is three-phase and that a 70A capacity aligns with your load profile and protection requirements.\u003c\/li\u003e \u003cli\u003eKeep a spare NFJ437070 on hand as part of a proactive maintenance strategy to reduce downtime during obvious or unexpected failures.\u003c\/li\u003e \u003cli\u003eDocument the exact part number and installation date to simplify future service and procurement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals managing industrial power distribution, the NFJ437070 delivers targeted protection where it matters most—clear specifications, dependable performance, and a straightforward path to reliable replacement or upgrade. If your panel calls for a 70A, 3-pole, 480V circuit breaker, this unit provides a precise, durable fit that supports safer, more efficient operations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426431586466,"sku":"NFJ437070","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/nfj437070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}