{"product_id":"400a","title":"ABB 400A - 400A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003ch2\u003eABB 400A 3-Pole Circuit Breaker — Precision Overcurrent Protection for Industrial Power Systems\u003c\/h2\u003e\n\u003cp\u003eThe ABB 400A three-pole circuit breaker is built to protect demanding 3-phase electrical installations with precision and reliability. Rated at 400A, this device is designed for flexible use in panelboards, switchboards, and control panels, making it a versatile solution for a wide range of applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400A, capable of safeguarding substantial feeders and motor circuits without compromising system performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole design ensures balanced protection across all three phases in a three-phase system, helping prevent uneven fault currents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication versatility:\u003c\/strong\u003e Ideal for distribution panels, motor control centers, and control panel assemblies in industrial, commercial, and OEM environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore benefit:\u003c\/strong\u003e Provides dependable overcurrent protection and safe operation, reducing downtime and potential equipment damage in critical power infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole 400A breaker fits your power system\u003c\/h3\u003e\n\u003cp\u003eIn three-phase electrical networks, a 3-pole circuit breaker disconnects all live conductors simultaneously when an overcurrent or fault occurs. This cohesive disconnection prevents partial tripping and helps protect motors, drives, and associated control gear from damage. The 400A rating makes it suitable for high-capacity feeders and large equipment loads commonly found in industrial facilities and commercial operations.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain feeder protection in distribution panels and switchboards\u003c\/li\u003e \u003cli\u003eProtection for motors and motor control centers in industrial environments\u003c\/li\u003e \u003cli\u003eOEM applications requiring robust 3-phase overcurrent protection in custom panel builds\u003c\/li\u003e \u003cli\u003ePanelboard and control panel upgrades where reliable trip performance matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to expect in installation and operation\u003c\/h3\u003e\n\u003cp\u003eThis ABB circuit breaker is designed for straightforward integration into standard 3-pole electrical infrastructures. Its robust construction supports long service life in demanding environments, while the 3-pole configuration simplifies wiring schemes and ensures consistent fault isolation across all phases. Use this device to enhance system safety, streamline maintenance routines, and uphold regulatory protection standards in your distribution panels and motor control centers.\u003c\/p\u003e \u003ch3\u003eWho should consider this product\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical engineers and facility managers overseeing industrial power distribution\u003c\/li\u003e \u003cli\u003eCommercial sites with high-load, three-phase equipment\u003c\/li\u003e \u003cli\u003eOEM developers incorporating reliable overcurrent protection into equipment enclosures\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the ABB 400A 3-Pole Circuit Breaker for durable, dependable overcurrent protection that aligns with industrial-grade panelboards, switchboards, and control panels. It’s the practical, proven solution for protecting large electrical loads while maintaining safe, uninterrupted operation across your three-phase system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default","offer_id":46390530048162,"sku":"400A","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_fe131a29-ed81-4603-b066-6ad15c225306.png?v=1765376846","url":"https:\/\/www.ampstate.com\/products\/400a","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}