{"product_id":"square-d-map366001021-circuit-breaker","title":"Square D | MAP366001021 | Circuit Breaker | 600A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MAP366001021 Circuit Breaker—a robust, three-pole protection device built for demanding 600V, 600A systems. Designed for maintenance, retrofit, and replacement, it ensures dependable safety and continuity for three-phase power distribution.\u003c\/p\u003e \u003cp\u003eWhy this MAP366001021 stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection\u003c\/strong\u003e: 600A rating handles large motor loads and feeders with confident arc-quenching and overload protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Ideal for 3‑phase circuits, improving system balance and coordination across phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V max operating voltage\u003c\/strong\u003e: Suitable for industrial power distribution and equipment fed from medium-density panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e: MAP366001021 is the best compatibility anchor—verify against your panel's catalog or wiring plan.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile fit for retrofit and replacement\u003c\/strong\u003e: Use in legacy installations where this exact spec is required; maintain electrical safety without changing other components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications to confirm before ordering\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 600A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and installation notes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings against your equipment and panelboard specifications. The part number MAP366001021 is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eEnsure proper shutdown procedures, and consult a licensed electrician for panel changes or replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInstalling a replacement or retrofitting an existing 3-phase system that operates at up to 600V and requires a 600A supply breaker.\u003c\/li\u003e \u003cli\u003eUpgrading protection in industrial machines, manufacturing lines, or large HVAC\/compressor systems where precise trip curves and sturdiness matter.\u003c\/li\u003e \u003cli\u003eMaintaining electrical safety in maintenance shutdowns, ensuring quick, clean disconnections during service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical benefits you’ll notice\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRugged construction designed for frequent operation in busy electrical rooms and switchgear banks.\u003c\/li\u003e \u003cli\u003eReliable protection with clearly defined trip characteristics aligned to industrial loads.\u003c\/li\u003e \u003cli\u003eSimplified inventory management with a single, exact part reference for compatibility checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: This description uses the product title and specs to illustrate how the MAP366001021 Circuit Breaker fits into your system. If you need in-depth compatibility guidance, refer to your panel’s documentation or square D catalog for cross-reference details.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426401964194,"sku":"MAP366001021","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\/square-d-map366001021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}