{"product_id":"square-d-mhl365001212-circuit-breaker","title":"Square D | MHL365001212 | Circuit Breaker | 500A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MHL365001212 circuit breaker—a robust three‑pole protection device designed for demanding electrical systems. With a 500A rating and a 600V maximum voltage, this unit is built for heavy‑duty service in industrial environments where reliable interruption across all three phases is essential. The part number MHL365001212 serves as the definitive reference for compatibility with Square D panels and accessories.\u003c\/p\u003e \u003ch3\u003eWhy this 3‑pole, 500A, 600V breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThree‑pole construction protects all phases in a three‑phase circuit, ensuring coordinated isolation and reducing the risk of unbalanced fault conditions. A 600V rating supports common industrial distributions, enabling safe operation in panels and switchgear designed for higher voltage service. This combination—500A capacity, 3‑pole design, and 600V rating—offers a reliable, ready‑to‑use solution for demanding protection needs.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects where exact spec matching is required for existing Square D installations.\u003c\/li\u003e \u003cli\u003eReplacement in aging panels to maintain proper protection while preserving system architecture.\u003c\/li\u003e \u003cli\u003eNew builds in factories and facilities that rely on solid three‑phase protection with a high current rating.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cp\u003eAlways verify fit and ratings against your panel data sheet before ordering. The MHL365001212 part number is the most reliable reference for compatibility with Square D panels and accessories.\u003c\/p\u003e \u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eOne Square D circuit breaker, model MHL365001212, 3‑pole, 500A, 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installation\u003c\/h3\u003e\n\u003cp\u003eBefore you install, confirm that your conductors and enclosure space accommodate a 3‑pole device. Follow your panel’s guidance on termination torque and wiring practices to ensure a safe, dependable connection and the intended protection for your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426629701794,"sku":"MHL365001212","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl365001212-circuit-breaker-500a-3-pole-600v-211.webp?v=1789599010","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl365001212-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}