{"product_id":"square-d-mhl368001021-circuit-breaker","title":"Square D | MHL368001021 | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MHL368001021 circuit breaker — a rugged, high‑current 3‑pole unit designed for demanding 600V three‑phase systems. With an 800A rating, this breaker delivers reliable protection for large feeders, motors, and critical industrial loads, making it ideal for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out in the field:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for high‑current protection in demanding environments, helping prevent damage from overloads and short circuits in three‑phase systems.\u003c\/li\u003e \u003cli\u003eGenuine Square D build with dependable performance characteristics, ensuring consistent trip behavior across installations.\u003c\/li\u003e \u003cli\u003eTargeted for retrofit and replacement scenarios where the \u003cem\u003eMHL368001021\u003c\/em\u003e part number is the exact fit your panel requires.\u003c\/li\u003e \u003cli\u003eRugged construction that holds up under industrial conditions, reducing maintenance downtime and replacement frequency.\u003c\/li\u003e \u003cli\u003eClear, unambiguous compatibility reference — using the part number as the best guide to fit and ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases and installation considerations:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIdeal for updating legacy panels that manage large three‑phase loads, including heavy machinery feeds and process lines.\u003c\/li\u003e \u003cli\u003eReplacement in service where a direct match to MHL368001021 is specified, ensuring uninterrupted system protection and wiring configurations remain consistent.\u003c\/li\u003e \u003cli\u003eGreat choice for retrofit projects aiming to consolidate protection with a single, reliable 3‑pole 600V solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eGuidance to ensure a perfect fit: before ordering, confirm the panel’s compatibility by cross‑checking the exact part number (\u003cem\u003eMHL368001021\u003c\/em\u003e) with the panel docs. Verify the system is 600V and that your circuit demands an 800A, 3‑pole protection device. The part number is the most reliable reference for compatibility and ratings, reducing the risk of mismatches during procurement.\u003c\/p\u003e \u003cp\u003eWhen you’re ready to upgrade or replace, this Square D circuit breaker delivers the high‑current, three‑phase protection your electrical system relies on — with the confidence that comes from sourcing the exact part designed for your equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426341507234,"sku":"MHL368001021","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl368001021-circuit-breaker-800a-3-pole-600v-605.webp?v=1789559865","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl368001021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}