{"product_id":"hmc3400m-circuit-breaker","title":"HMC3400M | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe HMC3400M is a robust industrial circuit breaker designed to protect high-demand, three-phase power systems. With a 400 A rating and a 3-pole configuration, this unit delivers reliable protection in 600 V environments, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e400 A current rating:\u003c\/b\u003e Handles heavy-duty loads and provides reliable protection for larger 3‑phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e3-pole design:\u003c\/b\u003e Ensures simultaneous disconnection of all three phases for safe, coordinated shutdown when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e600 V voltage rating:\u003c\/b\u003e Compatible with standard industrial power distribution in manufacturing facilities, processing lines, and other demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBest reference for compatibility:\u003c\/b\u003e Part number HMC3400M simplifies sourcing and replacement decisions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in existing 600 V, 3-phase panels that require a 400 A protective device.\u003c\/li\u003e \u003cli\u003eRetrofit projects updating aging equipment with a reliable, industry-standard breaker.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios where downtime must be minimized while preserving robust protection for feeders and motors.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers and maintenance teams responsible for industrial power distribution.\u003c\/li\u003e \u003cli\u003eElectrical contractors performing panel replacements and system retrofit work.\u003c\/li\u003e \u003cli\u003eEngineering teams seeking dependable protection for large 3-phase loads in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the HMC3400M matters\u003c\/h3\u003e\n\u003cp\u003eChoosing the HMC3400M means aligning with a proven, three-pole protective solution that keeps large industrial systems safe and running. Its 400 A rating and 600 V compatibility address common distribution needs, while the 3-pole design ensures consistent protection across all phases. When based on the clear reference of the HMC3400M part number, you reduce guesswork and accelerate procurement—getting you back to operation faster with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426172653730,"sku":"HMC3400M","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\/hmc3400m-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}