{"product_id":"square-d-hjl36125-125a-600v-3-pole-circuit-breaker","title":"Square D HJL36125 - 125 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJL36125—a 125 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. Built to survive the rigors of daily operation, this breaker combines compact form with robust protection, making it a smart choice for commercial, residential, and light industrial installations.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space and simplifies installation in tight electrical panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining overload sensing with fast magnetic short-circuit protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ideal for 3-phase circuits and balanced load distribution in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A rating and 600 V rating\u003c\/strong\u003e suited for medium-duty branch circuits requiring reliable oversight and quick interruption when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e designed to work seamlessly with matching Square D panelboards and loadcenters for straightforward replacement or upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy It Matters\u003c\/h3\u003e\n\u003cp\u003eIn any electrical distribution setup, precise protection matters. The HJL36125’s thermal-magnetic design reduces nuisance trips while ensuring swift cutoff on genuine faults, safeguarding wiring, devices, and personnel. Its 3-pole construction supports coordinated protection for multi-phase systems, helping you maintain stable power delivery in crowded panels or control centers.\u003c\/p\u003e \u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in Square D panelboards and loadcenters where a reliable 3-pole, 125 A solution is required.\u003c\/li\u003e \u003cli\u003eCommercial and light industrial panels that run 3-phase equipment and demand consistent protection against overcurrent and short circuits.\u003c\/li\u003e \u003cli\u003eResidential-commercial hybrids where space is at a premium and OEM compatibility matters for maintenance and stocking spare parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\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 HJL36125\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 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\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\u003eAvailable from AmpState, this Square D HJL36125 breaker is a purpose-built solution for reliable protection in panelboard configurations. Its combination of space efficiency, precise trip performance, and OEM compatibility makes it a practical, long-lasting choice for professionals seeking dependable electrical safety and straightforward maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355295928482,"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-hjl36125-125-a-600-v-3-pole-circuit-breaker-ampstate-900.webp?v=1788747908","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36125-125a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}