{"product_id":"square-d-mhp36300v-circuit-breaker","title":"Square D | MHP36300V | Circuit Breaker | 300A | 3-Pole | 36300V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MHP36300V Circuit Breaker is a purpose-built protection component designed for demanding electrical systems. With a 300A rating and 3-pole configuration, this breaker is built to handle high-current loads while delivering reliable, consistent performance at a voltage specification of 36300V.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 36300V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MHP36300V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExact compatibility with Square D panels and systems, ensuring proper fit and electrical characteristics when you’re performing maintenance, retrofit, or replacement projects.\u003c\/li\u003e \u003cli\u003eClear reference point for compatibility: the MHP36300V part number is the best indicator of matching specifications and footprint, helping you avoid mismatches in the field.\u003c\/li\u003e \u003cli\u003eHigh-current protection in a three-pole configuration, ideal for three-phase circuits where balanced protection and coordinated shutoff are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation considerations\u003c\/h3\u003e\n\u003cp\u003eNotes to ensure a smooth fit: confirm the breaker’s amperage, pole count, and voltage align with your panel’s requirements before ordering. Always reference the part number MHP36300V as the primary compatibility check to match with the intended Square D panel and circuit layout.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or failed breakers in Square D installations to restore reliable circuit protection.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or modify existing electrical infrastructure where a 300A, 3-pole, high-voltage protection device is needed.\u003c\/li\u003e \u003cli\u003eReplacement: swap in a like-for-like unit to minimize downtime and preserve system protection characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for customers\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep the part number front and center during orders—MHP36300V is your best reference for compatibility and footprint. \u003c\/li\u003e \u003cli\u003eDouble-check system requirements for current rating, number of poles, and voltage before purchasing to avoid installation delays.\u003c\/li\u003e \u003cli\u003eStore and handle the device with standard electrical safety practices to protect terminals and ensure reliable performance when reinstalled.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426338001058,"sku":"MHP36300V","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhp36300v-circuit-breaker-300a-3-pole-36300v-493.webp?v=1789559694","url":"https:\/\/www.ampstate.com\/products\/square-d-mhp36300v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}