{"product_id":"square-d-mal3660040m-circuit-breaker","title":"Square D | MAL3660040M | Circuit Breaker | 600A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MAL3660040M Circuit Breaker delivers dependable overcurrent protection for demanding electrical systems. With a 600A rating, a three-pole configuration, and a 600V capacity, this unit is designed to guard power distribution in industrial and commercial environments while integrating seamlessly with Square D panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit for maintenance, retrofit, and replacement\u003c\/strong\u003e — when your project demands precise specifications, MAL3660040M provides reliable compatibility, with the part number serving as the most trusted reference for your order.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e — protects three conductors simultaneously, providing balanced, multi-line interruption in 600V systems to help safeguard equipment and personnel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e — 600A capacity supports heavy service loads and equipment with startup surges, helping minimize unnecessary trips when paired with proper system design.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand lineage\u003c\/strong\u003e — Square D is a long-standing name in electrical protection, ensuring consistent performance and compatibility within Square D panels and components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify the exact part number MAL3660040M to ensure you’re selecting the correct replacement or retrofit model for your panel.\u003c\/li\u003e \u003cli\u003eConfirm electrical ratings: 600A, 3-pole configuration, and 600V to match your system design and panel labeling.\u003c\/li\u003e \u003cli\u003eConsult your panel documentation or the existing breaker’s labeling to confirm mounting footprint and compatibility notes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance projects where a precise Square D replacement is required to restore original protection characteristics.\u003c\/li\u003e \u003cli\u003eRetrofits aiming to restore or upgrade protection in aging panels without altering system architecture.\u003c\/li\u003e \u003cli\u003eReplacement of failed breakers in 600V service environments that require a 3-pole configuration for proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: Confirm fit and ratings before ordering. The MAL3660040M part number is the best reference for compatibility with your equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426145718434,"sku":"MAL3660040M","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mal3660040m-circuit-breaker-600a-3-pole-600v-538.webp?v=1789521823","url":"https:\/\/www.ampstate.com\/products\/square-d-mal3660040m-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}