{"product_id":"westinghouse-circuit-breaker-dk3400w-400-amp-240-volt-3-pole","title":"Westinghouse Circuit Breaker DK3400W 400 Amp 240 Volt 3 Pole","description":"\u003cdiv class=\"\" data-turn-id-container=\"75d495d2-fa2b-430c-9892-6cede91ee8df\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"75d495d2-fa2b-430c-9892-6cede91ee8df\" data-turn-id-container=\"75d495d2-fa2b-430c-9892-6cede91ee8df\" data-testid=\"conversation-turn-357\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cdiv class=\"contents\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a07184c-6124-83ec-bce5-baec646d4e4c-1\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a07184c-6124-83ec-bce5-baec646d4e4c-1\" data-turn-id-container=\"request-6a07184c-6124-83ec-bce5-baec646d4e4c-1\" data-testid=\"conversation-turn-358\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"88f0d33f-ead9-46cd-881e-f84e7ad45340\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"streaming-animation markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"612\"\u003eThe Westinghouse DK3400W \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eCircuit Breaker\u003c\/a\u003e 400 Amp 240 Volt 3 Pole is an industrial molded case circuit breaker used in power distribution and motor control systems for overload and short-circuit protection. Commonly installed in industrial electrical panels, motor control centers, manufacturing equipment, and three-phase power distribution systems requiring dependable high-current circuit interruption. Maintenance technicians, electricians, and system integrators use this circuit breaker for panel upgrades, electrical maintenance, and industrial power distribution replacement applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"614\" data-end=\"631\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"632\" data-end=\"1077\"\u003eThe Westinghouse DK3400W circuit breaker is designed for industrial and commercial electrical protection in demanding power distribution environments. It is frequently used in manufacturing facilities, HVAC electrical systems, motor control applications, conveyor systems, and industrial distribution panels where dependable three-phase circuit protection and stable electrical operation are critical for equipment safety and system reliability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1079\" data-end=\"1108\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1109\" data-end=\"1833\"\u003e• Brand: Westinghouse\u003cbr data-start=\"1130\" data-end=\"1133\"\u003e• Part Number: DK3400W\u003cbr data-start=\"1155\" data-end=\"1158\"\u003e• Product Type: Molded Case Circuit Breaker\u003cbr data-start=\"1201\" data-end=\"1204\"\u003e• Current Rating: 400 Amp\u003cbr data-start=\"1229\" data-end=\"1232\"\u003e• Voltage Rating: 240 Volt\u003cbr data-start=\"1258\" data-end=\"1261\"\u003e• Pole Configuration: 3 Pole\u003cbr data-start=\"1289\" data-end=\"1292\"\u003e• Phase Configuration: 3 Phase\u003cbr data-start=\"1322\" data-end=\"1325\"\u003e• Function: Overload and short-circuit protection\u003cbr data-start=\"1374\" data-end=\"1377\" data-is-only-node=\"\"\u003e• Application: Industrial and commercial power distribution systems\u003cbr data-start=\"1444\" data-end=\"1447\"\u003e• Suitable For: Three-phase branch and feeder circuit protection\u003cbr data-start=\"1511\" data-end=\"1514\"\u003e• Mounting Type: Panelboard breaker installation\u003cbr data-start=\"1562\" data-end=\"1565\"\u003e• Usage Environment: Industrial electrical systems\u003cbr data-start=\"1615\" data-end=\"1618\"\u003e• Protection Type: Thermal-magnetic circuit protection\u003cbr data-start=\"1672\" data-end=\"1675\"\u003e• Compatibility: Industrial power distribution equipment\u003cbr data-start=\"1731\" data-end=\"1734\"\u003e• Construction: Industrial-duty breaker housing\u003cbr data-start=\"1781\" data-end=\"1784\"\u003e• Designed For: Continuous industrial operation\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1835\" data-end=\"1859\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1860\" data-end=\"1973\"\u003e• Eaton DK Series Circuit Breaker\u003cbr data-start=\"1893\" data-end=\"1896\"\u003e• Siemens Industrial Circuit Breaker\u003cbr data-start=\"1932\" data-end=\"1935\"\u003e• Square D PowerPact Circuit Breaker\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51732264649006,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_3de359c0-f993-4c17-8256-41ff01dd898d.jpg?v=1770598936","url":"https:\/\/plgautomation.com\/products\/westinghouse-circuit-breaker-dk3400w-400-amp-240-volt-3-pole","provider":"PLG Automation ","version":"1.0","type":"link"}