{"product_id":"square-d-mh36500-500a-3-pole-plug-in-circuit-breaker","title":"Square D MH36500 - 500 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D MH36500 — a 500 A, 3-pole plug-in molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short circuits. Built for dependable branch circuit protection, it accelerates installation and simplifies maintenance with a fast plug-in connection, a thermal-magnetic trip unit, and seamless compatibility with matching OEM load centers.\u003c\/p\u003e \u003ch2\u003eWhy this MH36500 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e — snag-free installation and quick replacement, minimizing panel downtime during upgrades or service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — delivers stable, repeatable protection by combining long-term overload protection with instantaneous magnetic trip for short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM load center compatibility\u003c\/strong\u003e — engineered to fit and perform reliably with matching Square D panels, reducing fitment risk and ensuring consistent operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e — 500 A rating suitable for large feeders and demanding three-phase circuits in commercial or light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e — ideal for 3-phase distributions, providing balanced protection across all conductors in the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in mounting\u003c\/strong\u003e — straightforward installation within existing panelboards and load centers, making replacements faster and cleaner.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhere and how you’ll use it\u003c\/h2\u003e\n\u003cp\u003eDesigned for a range of environments, the MH36500 is a practical choice for residential, commercial, and light industrial applications that require robust protection for large branch circuits. Use it as a main or feeder protection device in panelboards and load centers, or as a high-current replacement in aging installations where a plug-in, molded case breaker is a fit.\u003c\/p\u003e \u003ch2\u003eTechnical specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MH36500\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 500 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical benefits and usage tips\u003c\/h2\u003e\n\u003cp\u003eWith the MH36500, you’ll enjoy reliable protection for demanding electrical loads while keeping installation practical for technicians. Its 3-pole configuration supports balanced 3-phase systems, helping minimize voltage imbalances and protect equipment across all phases. When planning upgrades or replacements, verify that your panelboard is compatible with this plug-in design and that the 500 A rating aligns with your load calculations. Regular inspection of the breaker’s terminal connections and visual checks for signs of wear during routine panel maintenance help ensure long-term reliability.\u003c\/p\u003e \u003ch2\u003eIdeal for professionals and facilities managers\u003c\/h2\u003e\n\u003cp\u003eElectricians and facility teams responsible for panel upkeep will appreciate the ease of replacement and the confidence of compatible, OEM-grade components. The Square D MH36500 combines proven protection technology with straightforward installation, reducing downtime and simplifying inventory with a single, high-capacity solution for 3-phase circuits.\u003c\/p\u003e \u003cp\u003eNote: This description reflects the product’s official capabilities and intended applications. For best results, install only in panels designed for plug-in molded case breakers of this type and rating, and follow all applicable electrical codes and safety protocols.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355346981026,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mh36500-500-a-3-pole-plug-in-circuit-breaker-ampstate-651.webp?v=1788751411","url":"https:\/\/www.ampstate.com\/products\/square-d-mh36500-500a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}