{"product_id":"square-d-mal36400-circuit-breaker","title":"Square D | MAL36400 | Circuit Breaker | 400A | 3-Pole | 600V | Feed-Through","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MAL36400 circuit breaker is a rugged 400A, 3-pole, 600V feed-through solution designed for demanding industrial panels. Whether you’re performing maintenance, retrofitting an existing distribution system, or replacing a failed unit, this breaker delivers dependable protection with precise, straightforward compatibility based on the exact part number MAL36400.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Feed-Through\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e MAL36400 (Part number)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets MAL36400 apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAccurate fit for 3-phase, high-current systems:\u003c\/strong\u003e The 3-pole design ensures coordinated disconnection across all phases, protecting equipment and personnel in demanding industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFeed-through capability:\u003c\/strong\u003e Designed to pass power through to downstream feeders within the same panel, simplifying large-distribution setups and reducing the need for additional disconnects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V compatibility:\u003c\/strong\u003e Ideal for industrial and commercial applications where higher-voltage distribution is standard, providing robust protection for 3-phase power systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect reference for compatibility:\u003c\/strong\u003e The part number MAL36400 is the best reference when confirming fit with your panel or replacement requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can count on:\u003c\/strong\u003e Built to withstand demanding operating conditions in managed electrical distributions, delivering consistent performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance projects on large 3-phase electrical panels where a 400A, 3-pole breaker is required.\u003c\/li\u003e \u003cli\u003eRetrofits in retrofit-friendly panels that utilize feed-through configurations for downstream distribution.\u003c\/li\u003e \u003cli\u003eReplacement scenarios where exact matching specifications (400A, 3-Pole, 600V, feed-through) are essential for safe and compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that your application matches the MAL36400’s specifications. Use the part number MAL36400 as the primary reference to ensure compatibility with your panel, downstream feeders, and overall system ratings. For installation, rely on a qualified electrician and follow all manufacturer guidelines and local electrical codes to ensure a safe, code-compliant setup.\u003c\/p\u003e \u003cp\u003eDesigned for professionals who need a precise, dependable solution for 3-phase, high-current distribution, the Square D MAL36400 is ready to support maintenance, retrofit, and replacement projects with confidence. Add this exact-match breaker to your order to secure a proper fit and reliable protection for your 400A, 600V feed-through applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424780505250,"sku":"MAL36400","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mal36400-circuit-breaker-400a-3-pole-600v-feed-through-588.webp?v=1789413740","url":"https:\/\/www.ampstate.com\/products\/square-d-mal36400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}