{"product_id":"square-d-mjl36500-500a-600v-3-pole-circuit-breaker","title":"Square D MJL36500 - 500 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MJL36500 is a robust 3-pole molded case circuit breaker designed to safeguard your electrical installation with precise, dependable protection. With a 500 A rating and a 600 V maximum, it is built to support demanding branch circuits in panelboards and loadcenters across residential, commercial, and light industrial environments.\u003c\/p\u003e \u003ch2\u003eSmart, space-efficient protection\u003c\/h2\u003e\n\u003cp\u003eEngineered in a compact molded case design, the MJL36500 maximizes panel space without compromising reliability. Its streamlined footprint makes it easier to fit into crowded panels while still delivering strong protection where you need it most.\u003c\/p\u003e \u003ch2\u003eThermal-magnetic protection you can rely on\u003c\/h2\u003e\n\u003cp\u003eThe integrated thermal-magnetic trip unit provides stable, repeatable protection across a range of operating conditions. This means effective thermal overload protection combined with the instantaneous magnetic trip for short-circuit events, helping minimize downtime and prevent damage to wiring and equipment.\u003c\/p\u003e \u003ch2\u003eDesigned for compatibility with Square D systems\u003c\/h2\u003e\n\u003cp\u003ePerfectly suited for matching OEM loadcenters and panelboards, this breaker ensures clean electrical coordination within your Square D installation. It’s an ideal replacement part or a precise fit for new builds that use Square D protection devices.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: MJL36500\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 500 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtect three-phase feeders in light commercial or industrial panel installations requiring solid 3-pole protection\u003c\/li\u003e \u003cli\u003eReplace a failed 500 A breaker in Square D panelboards to restore reliable service quickly\u003c\/li\u003e \u003cli\u003eInstall in new projects where space is at a premium but high-current protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose the MJL36500\u003c\/h2\u003e\n\u003cp\u003eChoosing this Square D breaker means aligning with a trusted industry standard. Its thermal-magnetic design delivers predictable response under diverse loads, helping you maintain steady system performance and safety. For installers and facility managers, it offers a straightforward, compatible solution that integrates smoothly with existing Square D panels and protective schemes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355350651042,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_aec3904b-f7ed-4173-815b-42e7183f305b.png?v=1764691467","url":"https:\/\/www.ampstate.com\/products\/square-d-mjl36500-500a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}