{"product_id":"square-d-jra36250u43x-250a-3-pole-plug-in-circuit-breaker","title":"Square D JRA36250U43X - 250 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover reliability in a compact, factory-rated package with the Square D JRA36250U43X — a 250 A, 3-pole plug-in molded case circuit breaker designed to shield panelboards and load centers from branch-circuit overloads and short circuits. Built for fast, straightforward installation, this unit snaps into compatible OEM enclosures with a secure plug-in connection, making replacements and upgrades quick and clean.\u003c\/p\u003e \u003cp\u003eAt the heart of its protection strategy is a thermal-magnetic trip unit that delivers stable, repeatable performance across varying load profiles. The thermal element responds to gradual overcurrents, while the magnetic element provides immediate disconnection for high-energy faults, helping prevent damage to wiring, devices, and downstream equipment. You get dependable protection without the guesswork.\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and seamless replacement, reducing downtime during service calls or panel upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip\u003c\/strong\u003e for stable, repeatable protection that adapts to changing electrical conditions while delivering rapid fault clearance when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Square D load centers and panelboards, ensuring a reliable fit and documented performance in built-out or retrofit projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where robust branch-circuit protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 250 A design\u003c\/strong\u003e delivers synchronized protection for three-phase systems and feeder circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in commercial panelboards and industrial load centers\u003c\/li\u003e \u003cli\u003eProtecting large feeders and three-phase circuits in light industrial settings\u003c\/li\u003e \u003cli\u003eNew installations that demand quick, field-friendly plug-in installation with OEM compatibility\u003c\/li\u003e \u003cli\u003eMaintenance and service work where minimizing downtime is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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 JRA36250U43X\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 250 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 \u003cp\u003eDesigned for professionals who demand durability and clear, OEM-aligned performance, the JRA36250U43X helps you safeguard electrical systems while simplifying maintenance. Whether you’re refreshing a residential panel, equipping a commercial distribution board, or provisioning a light-industrial setup, this plug-in breaker provides consistent protective behavior, straightforward service, and long-term reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355310280866,"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-jra36250u43x-250-a-3-pole-plug-in-circuit-breaker-ampstate-990.webp?v=1788749243","url":"https:\/\/www.ampstate.com\/products\/square-d-jra36250u43x-250a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}