{"product_id":"schneider-electric-nw40h2-4000a-4-pole-air-circuit-breaker","title":"Schneider Electric NW40H2 4000A 4 Pole Air Circuit Breaker For Low Voltage Power Distribution Systems","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Schneider Electric NW40H2 4000A 4-Pole Air Circuit Breaker — a rugged, high-capacity protective device engineered for reliable switching and fault protection in low-voltage power distribution systems. Built to handle demanding industrial and commercial environments, this 4-pole air circuit breaker delivers precise coordination for essential feeders while maintaining safe, clean power flow.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy the NW40H2 stands out\u003c\/strong\u003e — a combination of power, precision, and practical design that answers real industry needs. With a 4000 A current rating and a four-pole configuration, it provides comprehensive protection for three-phase systems with a dedicated neutral, simplifying panel design and improving fault discrimination. Its air-based interrupt mechanism is built for durability in installations where reliability and quick isolation are critical.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh interruption capacity\u003c\/strong\u003e: 4000 A rating ensures robust fault isolation for major feeders and switchboards, minimizing downtime during short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4-Pole configuration\u003c\/strong\u003e: Three live phases plus a neutral strap in a single unit, delivering complete protection for modern 4-wire low-voltage distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLow-voltage distribution specialist\u003c\/strong\u003e: Specifically designed for main incoming feeders and critical power distribution points in industrial facilities and large commercial sites.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdjustable trip settings\u003c\/strong\u003e: Tailor the protection curve to your system coordination needs, helping reduce nuisance trips while maintaining fast response to genuine faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable switching\u003c\/strong\u003e: Engineered for consistent performance in everyday operation, with components optimized for longevity under heavy loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis NW40H2 model is ideal for main incoming feeders, switchboards, and other key nodes in low-voltage power distribution where dependable protection and controlled interruption are non-negotiable. Whether you’re upgrading aging infrastructure, expanding a facility, or specifying gear for a new build, this breaker helps ensure power integrity across critical loads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtecting large data centers where uptime hinges on precise feeder protection and fast fault clearance.\u003c\/li\u003e \u003cli\u003eGuarding manufacturing lines with high transient currents and demanding startup sequences.\u003c\/li\u003e \u003cli\u003eSecuring commercial buildings with complex 3-phase power layouts requiring reliable main protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the NW40H2 means opting for a workhorse that aligns with real-world electrical distribution needs: clear, coordinated protection for main feeders, straightforward integration into switchgear, and the peace of mind that comes from Schneider Electric’s reputation for dependable power management.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Schneider Electric","offers":[{"title":"Default","offer_id":46390488432802,"sku":"NW40H2","price":39581.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_04ca9ee7-3f90-4fb4-a615-2fb31809933c.png?v=1765373751","url":"https:\/\/www.ampstate.com\/products\/schneider-electric-nw40h2-4000a-4-pole-air-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}