{"product_id":"cmd4k-circuit-breaker","title":"CMD4K | Circuit Breaker | 800A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet CMD4K, an industrial circuit breaker engineered for dependable protection in demanding electrical environments. With a current rating of 800A and a voltage rating of 600V, this unit is purpose-built for maintenance, retrofit, and replacement tasks where exact specifications matter. The CMD4K part number serves as your strongest reference for compatibility, so verify the match before ordering to avoid downtime.\u003c\/p\u003e \u003ch2\u003eWhat makes CMD4K stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e800A at 600V\u003c\/strong\u003e provides robust protection for high‑demand circuits and heavy equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number CMD4K\u003c\/strong\u003e is the definitive reference for ensuring the correct form factor and ratings in your panel or distribution setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for industrial use\u003c\/strong\u003e with a focus on reliability during routine maintenance, upgrades, and service replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical for retrofits\u003c\/strong\u003e as a like‑for‑like replacement to maintain protective coordination in legacy systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eUse CMD4K when performing service work on industrial installations that require exact specifications for protection. It’s well-suited for upgrading aging protection schemes, stocking spares for maintenance programs, or replacing a failed breaker in legacy equipment without compromising system integrity.\u003c\/p\u003e \u003ch2\u003eCompatibility and installation tips\u003c\/h2\u003e\n\u003cp\u003eImportant compatibility note: confirm fit and ratings before ordering. Rely on the CMD4K part number as the primary reference to ensure the breaker matches your form factor and electrical requirements. Before replacement, compare the existing device’s amperage (800A) and voltage (600V), and verify mounting and termination arrangements match the CMD4K unit to prevent fit issues and unnecessary downtime.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 800A\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: CMD4K (best reference for compatibility)\u003c\/li\u003e \u003cli\u003eApplication: maintenance, retrofit, and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424453808290,"sku":"CMD4K","price":310.0,"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\/cmd4k-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}