{"product_id":"square-d-mhl36300v-circuit-breaker","title":"Square D | MHL36300V | Circuit Breaker | 300A | 3-Pole | 36300V","description":"\u003cdiv\u003e\n\u003cp\u003eUnlock robust overcurrent protection for demanding electrical systems with the Square D MHL36300V circuit breaker. Engineered for maintenance, retrofit, and replacement tasks where exact specifications matter, this three-pole unit delivers reliable safeguarding for high-current applications. With a 300 A rating and a voltage capability of 36,300 V, it’s built to protect serious loads in industrial panels and power distribution setups. The part number MHL36300V serves as the most reliable reference for compatibility, so always verify fit and ratings before ordering.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePart number: MHL36300V\u003c\/li\u003e \u003cli\u003eAmperage: 300 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 36,300 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your operation\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExact-fit replacement: Ideal for Square D panels and systems that require the MHL36300V specification, reducing uncertainty during retrofit or refresh projects.\u003c\/li\u003e \u003cli\u003eMaintenance-ready: A dependable option for planned upgrades or equipment refreshes, helping minimize downtime by matching existing protection schemes.\u003c\/li\u003e \u003cli\u003eHigh-current protection in a compact footprint: Delivers solid three-pole protection for feeders and large circuits without increasing panel complexity.\u003c\/li\u003e \u003cli\u003eSingle reference for compatibility: Rely on the MHL36300V part number to align mounting style, electrical characteristics, and replacement cycles with your existing infrastructure.\u003c\/li\u003e \u003cli\u003ePractical for challenging environments: Designed to perform in demanding industrial settings where dependable protection is essential for safety and uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho this is for and practical use cases\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIndustrial facilities, manufacturing lines, and power distribution centers that require a 300 A, 3-Pole breaker in a high-current setup.\u003c\/li\u003e \u003cli\u003eRetrofits where you need an exact spec match to existing Square D panels, MCCs, or distribution gear.\u003c\/li\u003e \u003cli\u003eMaintenance upgrades for legacy systems that rely on precise compatibility to maintain protective coordination and electrical safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePro tips for a smooth setup\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore purchase, confirm fit by cross-referencing the exact part number (MHL36300V) with your panel labeling and the system’s voltage and current requirements.\u003c\/li\u003e \u003cli\u003ePlan the replacement during a scheduled outage and ensure all disconnection and lockout procedures are followed by qualified personnel.\u003c\/li\u003e \u003cli\u003eKeep a record of compatibility notes and the replacement date to support future maintenance and panel documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426342228130,"sku":"MHL36300V","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl36300v-circuit-breaker-300a-3-pole-36300v-699.webp?v=1789559986","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl36300v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}