{"product_id":"square-d-nw30h-3000a-3-pole-air-circuit-breaker","title":"Square D NW30H 3000A 3 Pole Air Circuit Breaker For Industrial Low Voltage Power Distribution Systems","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D NW30H 3000A 3-Pole Air Circuit Breaker—the powerhouse that underpins reliable protection and decisive switching in demanding low-voltage power systems. Built for industrial and commercial facilities, this heavy-duty breaker delivers massive current handling with precise, coordinated protection across all three phases.\u003c\/p\u003e \u003cp\u003eKey features at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\/Part\u003c\/strong\u003e: NW30H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e: 3000A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker Type\u003c\/strong\u003e: Air Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications\u003c\/strong\u003e: main incoming feeders, switchboards, and critical power distribution where dependable protection and swift fault clearing are essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the NW30H stands out\u003c\/h3\u003e\n\u003cp\u003eThe NW30H isn't just a switch—it's a thoughtfully designed protection device that adapts to your system. Its adjustable trip settings let you tailor the interruption characteristics to your facility’s fault currents and protection strategy, delivering fast, reliable fault clearance without unnecessary outages. This makes it especially valuable in environments where downtime costs are high and uptime is mission-critical.\u003c\/p\u003e \u003ch3\u003eDurable performance for demanding environments\u003c\/h3\u003e\n\u003cp\u003eEngineered for heavy-duty operation, the NW30H provides robust protection for low-voltage distribution networks. The three-pole design ensures synchronized protection across all phases, helping prevent unbalanced faults from compromising downstream equipment. With high interruption capacity, it’s prepared to handle large fault events and protect vital infrastructure from damage.\u003c\/p\u003e \u003ch3\u003eSmart integration into your power distribution\u003c\/h3\u003e\n\u003cp\u003eWhether you’re upgrading an existing switchboard or designing a new main feeder section, the NW30H fits into a wide range of low-voltage distribution configurations. Its combination of a high current rating, three-pole geometry, and adjustable protection makes it a practical choice for facilities that demand predictable performance and straightforward maintenance in a compact footprint.\u003c\/p\u003e \u003ch3\u003ePractical deployment tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan trip settings during commissioning to align with your system’s fault-current profile and desired coordination with upstream and downstream protections.\u003c\/li\u003e \u003cli\u003eConfirm enclosure and busbar compatibility to ensure a clean, secure installation with reliable electrical connections.\u003c\/li\u003e \u003cli\u003eIncorporate routine inspections into your maintenance schedule to verify mechanical operation and tripping reliability over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D NW30H 3000A 3-Pole Air Circuit Breaker for robust, configurable protection that keeps your industrial or commercial power distribution safe, efficient, and resilient.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390490431650,"sku":"NW30H","price":17597.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_213c5ddf-b9c9-4d9c-9910-e4dcc7d22a12.png?v=1765373846","url":"https:\/\/www.ampstate.com\/products\/square-d-nw30h-3000a-3-pole-air-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}