{"product_id":"square-d-jra36150-150a-3-pole-plug-in-circuit-breaker","title":"Square D JRA36150 - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D JRA36150 is a 150A, 3-pole plug-in molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to integrate seamlessly with matching OEM components, this breaker helps keep electrical systems safe while simplifying maintenance and upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and effortless replacement in existing panels, reducing downtime during service or upfits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining precise thermal overload sensing with a magnetic instantaneous trip for rapid fault clearance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e supports three-phase circuits and aligns with common commercial and light industrial panel configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e150A amperage rating\u003c\/strong\u003e handles high-load feeders while maintaining robust protection for downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Square D OEM load centers and panelboards, ensuring a secure fit, consistent electrical characteristics, and straightforward retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential, commercial, and light industrial installations requiring reliable branch-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: JRA36150\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 150A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Square D JRA36150 isn’t just another breaker—it’s designed to integrate with Square D panel systems for dependable protection where it matters most. The plug-in design speeds up installations and replacements, while the thermal-magnetic trip curve provides predictable response across a range of fault conditions. With OEM compatibility, you gain a secure fit, consistent electrical characteristics, and straightforward retrofits in existing panelboards and load centers.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding commercial electrical subpanels and load centers that require reliable 3-pole protection for three-phase feeders\u003c\/li\u003e \u003cli\u003eProtecting large-draw equipment in light industrial setups, including HVAC, pumps, and conveyors\u003c\/li\u003e \u003cli\u003eResidential building service panels in multi-meter installations where three-phase protection is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor installation, ensure the panelboard is rated for plug-in molded case circuit breakers of the JRA series and that wiring, compatibility, and enclosure ratings align with Square D guidelines. Regular inspection of trip performance and replacement with identical part numbers maintains system safety and performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355309494434,"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_0373959f-3bc0-44aa-aa57-3784932034de.png?v=1764691170","url":"https:\/\/www.ampstate.com\/products\/square-d-jra36150-150a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}