{"product_id":"square-d-hra36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HRA36150U31X - 150 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HRA36150U31X, a 150 A, 600 V three-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built by a trusted name in electrical safety, this breaker combines fast, secure installation with dependable protection for everyday electrical systems.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFast plug-in connection\u003c\/b\u003e — streamline installation and quick replacements, minimizing downtime during panel servicing or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e — provides stable, repeatable protection performance against overcurrents and short circuits, reducing nuisance trips and safeguarding your wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThree-pole, 150 A, 600 V design\u003c\/b\u003e — ideal for three-phase systems and higher-demand circuits, delivering robust protection for commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible\u003c\/b\u003e — engineered to work with matching Square D OEM load centers and panelboards, ensuring consistent electrical performance and trouble-free integration.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile application\u003c\/b\u003e — suited for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e HRA36150U31X\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of poles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting style:\u003c\/b\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits from this breaker\u003c\/h2\u003e\n\u003cp\u003eElectrical professionals tackling panel upgrades, replacements, or new installations will appreciate the quick, reliable plug-in design and solid protection performance. It’s a practical choice for contractors, facilities managers, and skilled technicians working with three-phase systems in offices, retail spaces, light manufacturing, and other commercial environments. With OEM compatibility and a robust thermal-magnetic trip mechanism, this breaker helps ensure wiring protection aligns with industry standards and panel specifications.\u003c\/p\u003e \u003ch2\u003ePractical tips for use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center is rated for 600 V and supports a 3-pole, 150 A plug-in breaker before installation.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, ensure the form factor and trip characteristics match your system requirements to maintain protective coordination.\u003c\/li\u003e \u003cli\u003eKeep a spare HRA36150U31X on hand for rapid service or future panel upgrades to minimize downtime.\u003c\/li\u003e \u003cli\u003eStore and handle breakers per manufacturer guidelines to prevent damage to the thermal-magnetic trip unit and connection terminals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eAvailability\u003c\/b\u003e: This Square D HRA36150U31X 150 A, 600 V, 3-pole plug-in molded case circuit breaker is a dependable solution for safeguarding electrical infrastructure. Available from AmpState, it combines trusted engineering with practical, job-ready features that help you protect circuits, appliances, and data-center or business-critical equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355301793954,"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_428e89dc-b722-408d-a162-de393efa5e9d.png?v=1764691074","url":"https:\/\/www.ampstate.com\/products\/square-d-hra36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}