{"product_id":"westinghouse-kds4bk-400a-600v-circuit-breaker","title":"Westinghouse KDS4BK 400A 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse KDS4BK—a genuine circuit breaker engineered for robust protection in panelboards, load centers, and electrical distribution systems. With a 400 A rating and the ability to operate at up to 600 V, this unit is prepared to safeguard demanding installations while fitting seamlessly into legacy designs.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAuthentic model, authentic protection.\u003c\/strong\u003e The KDS4BK is a Westinghouse part chosen for reliability in medium- and large-current applications, ensuring your panelboards and distribution boards maintain the protection profile they were designed with.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 600 V specific.\u003c\/strong\u003e Supports high-current feeders and main breaks while accommodating the voltage requirements of contemporary electrical rooms and industrial spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement-ready for BOM consistency.\u003c\/strong\u003e Ideal for replacement projects and stocking spares to keep the bill of materials aligned with the original part number, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy compatibility checks.\u003c\/strong\u003e If you’re unsure about fit, you can message AmpState to confirm compatibility by part number and ensure a precise match for your panelboard or load center.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e: facilities managers, electricians, and maintenance teams responsible for medium-to-large electrical distribution arrays who need dependable, long‑life circuit protection without re-engineering existing systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e include retrofits in commercial spaces, spare parts for critical electrical rooms, and new installations where a genuine Westinghouse breaker aligns with original design intent. This ensures consistent protection characteristics and coordinated performance across your distribution network.\u003c\/p\u003e \u003cp\u003eChoosing the Westinghouse KDS4BK through AmpState means selecting a trusted component designed for straightforward installation and reliable operation in demanding environments. Ready to confirm fit or place an order? Reach out—we’ll help verify that this 400 A, 600 V circuit breaker matches your exact panelboard or load center requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410905190562,"sku":"KDS4BK","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/westinghouse-kds4bk-400a-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}