{"product_id":"westinghouse-kd-3400-skw-400a-3p-600v-circuit-breaker","title":"Westinghouse KD-3400-SKW Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse KD-3400-SKW Circuit Breaker is a rugged, industrial-grade protection device built to safeguard demanding electrical systems. With a 400 A rating, 3 poles, and a 600 V capability, this breaker is engineered for reliability in service, maintenance, and replacement projects where uptime and safety matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\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:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KD-3400-SKW\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Westinghouse\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e industrial electrical service, maintenance, and replacement projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes the KD-3400-SKW stand out\u003c\/h3\u003e\n\u003cp\u003eDesigned for heavy-duty industrial environments, this three-pole breaker provides robust protection for three-phase circuits, helping to isolate faults quickly and minimize downtime. The KD-3400-SKW integrates smoothly into standard industrial panels where a 400 A, 3-pole, 600 V solution is required, delivering consistent performance in demanding applications such as motor feeders, large equipment lines, and distribution feeds.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrongreliability in demanding environments:\u003e purpose-built to handle high-current three-phase protection with dependable operation.\u003c\/strongreliability\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility signal:\u003c\/strong\u003e the KD-3400-SKW part number ensures you’re selecting the exact Westinghouse model designed for compatible panels and setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient maintenance and replacement:\u003c\/strong\u003e ideal for when you need to upgrade or replace an aging breaker to restore critical processes quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting three-phase motors and feeders in manufacturing lines\u003c\/li\u003e \u003cli\u003eServing as a main or feeder breaker in industrial distribution panels\u003c\/li\u003e \u003cli\u003eReplacement part for service upgrades or downtime-critical maintenance projects\u003c\/li\u003e \u003cli\u003eProtection for heavy electrical equipment in facilities that require reliable 600V operation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eNote: Verify fit by part number and application requirements. The KD-3400-SKW is intended for industrial electrical service, maintenance, and replacement scenarios where a 400 A, 3-pole, 600 V breaker is appropriate. If you’re unsure about fit or compatibility, \u003cstrong\u003emessage us\u003c\/strong\u003e and we’ll help confirm whether this part matches your panel and system needs.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm panel compatibility by cross-checking the KD-3400-SKW part number with your enclosure’s specifications.\u003c\/li\u003e \u003cli\u003eInspect mounting and bus connections to ensure secure, proper alignment of the 3-pole contacts.\u003c\/li\u003e \u003cli\u003eSchedule periodic checks as part of your preventive maintenance program to verify electrical integrity and avoid unexpected outages.\u003c\/li\u003e \u003cli\u003eStore spare units in a clean, dry environment to preserve performance when replacements are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416041705634,"sku":"KD-3400-SKW","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-kd-3400-skw-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}