{"product_id":"square-d-jll36250u31x-250a-3-pole-circuit-breaker","title":"Square D JLL36250U31X - 250 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D JLL36250U31X—a 250 A, 3-pole molded-case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for real-world electrical distributions, this unit integrates seamlessly with matching OEM Square D panels to ensure aligned protection and reliable performance where it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e optimizes space inside panel enclosures, helping you fit essential protection without crowding the panel interior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across temperature fluctuations and varying load conditions, reducing nuisance trips while preserving safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to work with matching Square D load centers and panelboards for precise fit, proper trip coordination, and straightforward installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, including main feeders and branch protection in mid-size distributions.\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 JLL36250U31X\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\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this breaker\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals—contractors, facilities managers, and systems integrators—who design or upgrade distribution systems in commercial or light-industrial settings will appreciate the precise fit and reliable protection this unit provides. If your panel requires a robust 3-pole, 250 A solution that coordinates with Square D panels, this breaker is a purpose-built option.\u003c\/p\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain distribution protection in 3-phase commercial panelboards and load centers.\u003c\/li\u003e \u003cli\u003eReplacement for compatible Square D panels where a 250 A, 3-pole device is specified.\u003c\/li\u003e \u003cli\u003eFeeder protection for moderate electrical equipment banks in light industrial environments.\u003c\/li\u003e \u003cli\u003eSituations where space-saving, molded-case protection helps maximize enclosure capacity without sacrificing safety margins.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure optimal performance, pair the JLL36250U31X with matching Square D OEM panelboards or load centers designed for this model. Confirm panel ampacity and phasing requirements align with your distribution design, and follow standard electrical practices for mounting, torqueing terminal connections, and enclosure bonding. This is a purpose-built component for Square D systems, so cross-compatibility with non-Square D panels may require careful coordination checks.\u003c\/p\u003e \u003ch3\u003eMaintenance and long-term reliability\u003c\/h3\u003e\n\u003cp\u003eRely on the rugged, molded-case construction to withstand routine electrical disturbances in busy enclosures. Regular visual inspections for signs of overheating, proper alignment, and secure terminations will help sustain consistent protection performance. When replacements are needed, referencing the exact part number JLL36250U31X ensures you maintain the intended trip characteristics and coordination within your Square D system.\u003c\/p\u003e \u003cp\u003eAvailable through AmpState, the Square D JLL36250U31X delivers a precise, space-efficient, and dependable protection solution for your 250 A, 3-pole distribution needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355309428898,"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-jll36250u31x-250-a-3-pole-circuit-breaker-ampstate-breakers-422.webp?v=1788749174","url":"https:\/\/www.ampstate.com\/products\/square-d-jll36250u31x-250a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}