{"product_id":"westinghouse-hkd3400-400a-3p-600v-circuit-breaker","title":"Westinghouse HKD3400 Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse HKD3400 circuit breaker is built for demanding industrial electrical service, maintenance, and replacement projects. Designed to protect three‑phase power systems up to 600V, this 400A, 3‑pole unit delivers reliable, rapid interruption to safeguard motors, conveyors, pumps, and other heavy equipment in demanding environments.\u003c\/p\u003e \u003cul\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 rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\/Part number:\u003c\/strong\u003e Westinghouse HKD3400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Industrial service, maintenance, and replacement applications that require robust three‑phase protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out for industrial users: the HKD3400 is purpose‑built to handle high‑current loads common in manufacturing floors and distribution panels, providing dependable overcurrent protection for critical three‑phase equipment. Its 400A capacity supports substantial feeders and motor circuits, helping prevent damage from overloads or short circuits while maintaining system safety and uptime.\u003c\/p\u003e \u003cp\u003eIdeal use cases include upgrading or replacing aging breakers in service entrances, motor control centers, switchgear assemblies, and plant distribution panels. It’s well suited for facilities that run heavy machinery, HVAC systems, pumps, and automated lines where reliable trip performance and compatibility with existing Westinghouse gear are important.\u003c\/p\u003e \u003cp\u003eCompatibility and setup notes: verify fit by part number (HKD3400) and assess your specific application requirements to ensure proper coordination with upstream protective devices and electrical codes. If you’re unsure about fit or how this unit integrates with your existing panel or ancillary equipment, send us a message and we’ll confirm compatibility and advise on the best configuration for your installation.\u003c\/p\u003e \u003cp\u003ePractical tips for getting the most from your HKD3400:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCross‑check the breaker with your panel’s rated busbar arrangement and upstream protection to ensure seamless integration.\u003c\/li\u003e \u003cli\u003ePlan for maintenance intervals and have replacement trip units or compatible accessories on hand to minimize downtime.\u003c\/li\u003e \u003cli\u003eDuring installation, observe proper torque for terminal connections and follow all safety guidelines for high‑current devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416048128162,"sku":"HKD3400","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/westinghouse-hkd3400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}