{"product_id":"square-d-jja36250u43x-250a-600v-3-pole-plug-in-circuit-breaker","title":"Square D JJA36250U43X - 250 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D JJA36250U43X is a robust 250 A, 600 V, 3-pole plug-in molded case circuit breaker engineered to safeguard branch circuits in panelboards and loadcenters. Built for fast installs and quick swaps, it minimizes downtime while delivering dependable protection for demanding electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and hassle-free replacement, reducing service time in both new builds and maintenance work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection that responds to overcurrent and short-circuit conditions, helping prevent equipment damage and nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching Square D OEM load centers and panelboards for seamless integration and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where 3-pole, 600 V protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\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 JJA36250U43X\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\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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\u003eThis breaker excels in situations requiring dependable 3-phase protection for heavy loads, motors, and distribution circuits. Its plug-in design simplifies upgrades and retrofits in panelboards and loadcenters, while the thermal-magnetic trip ensures predictable responses under surge or fault conditions. By choosing the JJA36250U43X, you’re opting for a proven Square D solution that emphasizes durability, quick serviceability, and OEM compatibility without compromising safety or performance.\u003c\/p\u003e \u003ch3\u003eWho this is for and practical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectricians and facilities managers upgrading or maintaining panelboards in commercial spaces, data centers, or light industrial environments.\u003c\/li\u003e \u003cli\u003eProjects that require reliable 3-pole protection at 600 V for 3-phase circuits.\u003c\/li\u003e \u003cli\u003eSpecifying a ready-made replacement or spare for existing Square D JJA-series installations to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D JJA36250U43X, you get a purpose-built, plug-in circuit breaker that combines fast installation, precise protection, and OEM compatibility—delivering confidence for everyday operations and critical applications alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355306414242,"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-jja36250u43x-250-a-600-v-3-pole-plug-in-circuit-breaker-112.webp?v=1788748918","url":"https:\/\/www.ampstate.com\/products\/square-d-jja36250u43x-250a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}