{"product_id":"square-d-mhl363501212-circuit-breaker","title":"Square D | MHL363501212 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MHL363501212 circuit breaker—a rugged, industrial-grade protection device engineered for demanding three‑phase power systems. With a 350‑amp capacity and a 3‑pole configuration, this breaker is designed to interrupt fault currents on up to 600V networks, helping to protect both equipment and personnel during faults or overloads. Ideal for maintenance, retrofit, and replacement projects, it provides a reliable path back to steady operation when original components reach the end of life.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e MHL363501212 — the best compatibility reference\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey applications:\u003c\/strong\u003e maintenance outages, retrofit upgrades, and direct replacements in commercial and industrial panels requiring a 3‑pole, 600V breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; use the exact part number to ensure proper compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Square D breaker stands out: it’s built to align with the original equipment specifications for 3‑phase distribution, delivering consistent protection without invasive panel modifications. By matching the precise amperage, pole count, and voltage, it minimizes downtime and wiring changes during service or upgrades, helping you restore operation quickly and safely.\u003c\/p\u003e \u003cp\u003ePractical scenarios you’ll encounter:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 350A, 3‑pole, 600V breaker in a manufacturing line or processing equipment feed.\u003c\/li\u003e \u003cli\u003eUpgrading protection in a facility where a 3‑phase feeder requires reliable, code-conforming interruption ratings.\u003c\/li\u003e \u003cli\u003ePerforming routine maintenance with a direct‑match component that preserves original performance and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHelpful tips for a smooth purchase:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the panel model and the existing breaker rating to confirm a perfect fit.\u003c\/li\u003e \u003cli\u003eKeep the MHL363501212 part number handy, as it’s the clearest reference for compatibility.\u003c\/li\u003e \u003cli\u003eDocument the replacement with the panel’s specifications to support future maintenance and audits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426629800098,"sku":"MHL363501212","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl363501212-circuit-breaker-350a-3-pole-600v-333.webp?v=1789599018","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl363501212-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}