{"product_id":"square-d-cdk400-disconnect-switch","title":"Square D CDK400 - 400A, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eCDK400\u003c\/strong\u003e, a purpose-built 400A disconnect switch designed for industrial and commercial power systems that demand safety, reliability, and easy maintenance. Built to support proper lockout\/tagout (LOTO) procedures, this switch provides a clear, secure electrical isolation point when service is required, helping teams minimize risk and downtime.\u003c\/p\u003e \u003cp\u003eKey advantages you can count on with the CDK400 include dependable disconnection under load and rugged, long-term durability. When equipment needs to be taken offline for inspection, repair, or routine maintenance, this switch delivers a clean, controlled disconnect that operators can trust—even in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy the CDK400 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A amperage rating\u003c\/strong\u003e—capable of isolating main feeders or heavy-duty circuits in challenging installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout readiness\u003c\/strong\u003e—integrates smoothly with standard safety practices, keeping maintenance personnel protected.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable disconnection under load\u003c\/strong\u003e—engineered for predictable performance when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, purpose-built construction\u003c\/strong\u003e—designed to withstand industrial environments and deliver long-term service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand-backed reliability\u003c\/strong\u003e—the Square D name reflects engineering care, robust support, and consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and scenarios\u003c\/h3\u003e\n\u003cp\u003eThis disconnect switch is a strong fit for service entrances, main disconnects in motor control centers, distribution panels, and switchgear assemblies where a dedicated isolation point is essential. It’s well-suited for new installations and retrofit projects where safety procedures and quick, reliable disconnection are priorities.\u003c\/p\u003e \u003ch3\u003ePractical use and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eInstall the CDK400 in standard enclosures where it can be easily accessed by authorized personnel. After installation, verify the lockout\/tagout provisions are functioning correctly and conduct periodic inspections of the switch mechanism to maintain optimal performance. Keep an eye on wiring connections and enclosure seals to preserve reliability in demanding conditions.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 400A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Disconnect Switch\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e CDK400\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383763620002,"sku":"CDK400","price":610.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_5ab84d00-b78e-4f1c-921f-8892614cd4f9.png?v=1765253824","url":"https:\/\/www.ampstate.com\/products\/square-d-cdk400-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}