{"product_id":"cutler-hammer-hkd3400t56wzgp-400a-3p-600v-circuit-breaker","title":"Cutler-Hammer HKD3400T56WZGP Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Cutler-Hammer HKD3400T56WZGP is a rugged, industrial-grade circuit breaker designed for demanding electrical service, maintenance, and replacement projects. With a 400 A capacity and 3 poles, this unit delivers reliable three-phase protection at up to 600 V, making it a trusted choice for heavy-duty power distribution in manufacturing, facilities, and large commercial environments.\u003c\/p\u003e \u003cp\u003eBuilt within the Case Breaker series, the HKD3400T56WZGP pairs durable construction with a proven protection mechanism to help minimize unplanned downtime. Its three-pole design ensures synchronized protection across all three phases, reducing the risk of imbalanced loading and improving overall system reliability in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 3-pole configuration\u003c\/strong\u003e—ideal for safeguarding three-phase circuits that drive motors, conveyors, pumps, and other heavy loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e—suitable for a wide range of industrial power distribution setups and control panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCase Breaker lineage\u003c\/strong\u003e—a trusted family within Cutler-Hammer for durable performance in tough environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility at a glance\u003c\/strong\u003e—verify fit by part number (HKD3400T56WZGP) and ensure it meets your specific application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-focused use cases\u003c\/strong\u003e—perfect for service entrances, replacement in existing panels, and integration into motor control centers where robust protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNotes: To ensure proper fit and performance, confirm compatibility using the exact part number and your system’s electrical specifications. If you need help matching this part number to your application, send a message—we’re ready to assist with compatibility checks and guidance.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HKD3400T56WZGP\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Case Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415764979874,"sku":"HKD3400T56WZGP","price":20308.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/cutler-hammer-hkd3400t56wzgp-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}