{"product_id":"square-d-mhl36100040dc-circuit-breaker","title":"Square D | MHL36100040DC | Circuit Breaker | 1000A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D's MHL36100040DC circuit breaker delivers reliable, heavy‑duty protection for three‑phase power systems. Engineered for maintenance, retrofit, and replacement projects where exact specifications matter, this 1000A, 3‑pole unit supports up to 600V systems and is designed to fit into compatible Square D panels that expect the MHL‑series form factor.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 1000A\u003c\/li\u003e \u003cli\u003ePoles: 3‑Pole (three‑phase protection)\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e \u003cli\u003ePart number: MHL36100040DC (best compatibility reference)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact‑match replacement: Using the listed part number ensures compatibility with your existing panel and electrical assembly, reducing retrofit risk and preserving protective characteristics.\u003c\/li\u003e \u003cli\u003eIdeal for retrofit and replacement: Keep your three‑phase distribution protected without compromising on specs when upgrading aging equipment or refreshing a legacy installation.\u003c\/li\u003e \u003cli\u003eClear fit guidance: Always verify fit and ratings before ordering to avoid incompatibilities in panels and bus configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCommon use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities employing three‑phase distribution that require robust, high‑amp protection.\u003c\/li\u003e \u003cli\u003eRetrofits where the original MHL‑series device needs an exact spec match to maintain system protection and reliability.\u003c\/li\u003e \u003cli\u003eMaintenance projects aimed at reducing downtime by ensuring precise, dependable circuit interruption for heavy load circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for procurement and installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCross‑check the panel labeling and service conditions to confirm the MHL36100040DC is suitable for your application.\u003c\/li\u003e \u003cli\u003eKeep the part number handy as the primary reference for compatibility during ordering and repairs.\u003c\/li\u003e \u003cli\u003eBefore purchasing, confirm the intended system voltage (600V) and the three‑pole configuration align with your panel’s requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cem\u003eNote: Confirm fit and ratings before ordering. The part number is the best reference for compatibility to ensure you get the exact protection characteristics your system requires.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427243544738,"sku":"MHL36100040DC","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl36100040dc-circuit-breaker-1000a-3-pole-600v-566.webp?v=1789692280","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl36100040dc-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}