{"product_id":"schneider-electric-ezd400e3400k-circuit-breaker","title":"Schneider Electric | EZD400E3400K | Circuit Breaker | 400A","description":"\u003cdiv\u003e\n\u003cp\u003eSchneider Electric EZD400E3400K is a 400 A circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. This part-number-specific device helps you lock in the right ratings and physical form for your panel or enclosure, reducing uncertainty and downtime.\u003c\/p\u003e \u003ch2\u003eKey value for your electrical protection needs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400 A — robust overcurrent protection suitable for large feeders and high-load circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e: maintenance downtime planning, retrofit of aging electrical racks, and precise replacements where legacy components must be matched exactly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility guidance\u003c\/strong\u003e: Confirm fit and ratings before ordering. The \u003cem\u003eEZD400E3400K\u003c\/em\u003e part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this exact part\u003c\/h3\u003e\n\u003cp\u003eUsing the Schneider Electric EZD400E3400K ensures you’re sourcing a device that aligns with your panel’s design and wiring configurations. Exact part-number matching minimizes compatibility surprises, preserves protective performance, and supports compliance with equipment standards. For technicians and facilities managers, it means quicker sourcing, fewer returns, and reliable, consistent protection across installations.\u003c\/p\u003e \u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cp\u003eDesigned for electrical maintenance teams, retrofit projects, and replacement scenarios where a precise 400 A breaker is required. It’s particularly valuable when upgrading service capacity, replacing worn breakers in critical systems, or aligning with existing Schneider Electric hardware to maintain uniform protection strategies.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify that the EZD400E3400K matches the panel rating and enclosure design. The part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eKeep the exact part number handy for future maintenance or reorders to avoid mismatches during service windows.\u003c\/li\u003e \u003cli\u003eWhen planning a retrofit or replacement, account for any enclosure or accessory requirements associated with this 400 A device to ensure a smooth installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":46426427359394,"sku":"EZD400E3400K","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\/schneider-electric-ezd400e3400k-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}