{"product_id":"kd4250w-circuit-breaker","title":"KD4250W | Circuit Breaker | 250A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eKD4250W\u003c\/strong\u003e is an industrial circuit breaker built for reliability in maintenance, retrofit, and replacement projects where exact specs matter. This 250A, 4-pole unit is rated for 600V, delivering robust protection for three-phase systems with a neutral line, and designed to withstand the demands of busy electrical environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Best matched by part number KD4250W\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: The 4-pole design ensures simultaneous disconnection of all power conductors, enhancing safety during maintenance and service. The 600V rating supports industrial feeders and equipment, while the 250A current rating handles demanding loads common in manufacturing lines and large panels.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEquipment maintenance on 3‑phase systems requiring a 250A main with neutral\u003c\/li\u003e \u003cli\u003eRetrofit projects where original equipment calls for KD4250W specifications\u003c\/li\u003e \u003cli\u003eReplacement for worn or failed breakers in industrial control panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBefore ordering, confirm fit and ratings against your equipment drawings. The KD4250W part number is the most reliable reference for compatibility, ensuring you don’t over- or under-spec a replacement circuit breaker.\u003c\/p\u003e \u003cp\u003eInstallations should be performed by qualified personnel in accordance with local codes and manufacturer instructions. Verify panel labeling, observe voltage ratings, and follow safety protocols when handling energized equipment.\u003c\/p\u003e \u003cp\u003eThis KD4250W breaker is your dependable choice when you need a spec-accurate, durable solution that minimizes downtime and protects critical loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426462650530,"sku":"KD4250W","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/kd4250w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}