{"product_id":"square-d-hjl36100u31x-100a-3-pole-circuit-breaker","title":"Square D HJL36100U31X - 100 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful, compact, and dependable—the Square D HJL36100U31X is a 100 A, 3-pole molded case circuit breaker designed to protect your electrical system where it matters most. Built to install neatly in panelboards and load centers, this breaker delivers reliable branch circuit overcurrent and short-circuit protection without hogging space.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded case design\u003c\/strong\u003e preserves panel room while delivering robust protection for essential circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance, responding quickly to short circuits and reliably handling sustained overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures simultaneous protection of all three conductors in 3-phase systems, making it ideal for commercial and light industrial applications while still suitable for residential use where 3-phase equipment is present.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible integration\u003c\/strong\u003e is designed to work with matching Square D load centers and panelboards, ensuring seamless pairing and dependable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100 A rating\u003c\/strong\u003e offers strong protection for feeder and branch circuits, helping to prevent damage to wiring and connected devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose-built for protection\u003c\/strong\u003e specifically targets branch circuit overcurrent and short-circuit scenarios, reducing the risk of electrical faults escalating into equipment downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from the HJL36100U31X\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals, facilities managers, and contractors who need a reliable, compact, and easy-to-integrate solution for 100 A, 3-pole protection. It’s well-suited for residential installations that use 3-phase equipment in limited spaces, as well as commercial and light industrial environments where panel space is at a premium and dependable protection is a must.\u003c\/p\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or upgrade projects in panelboards and load centers that require a 3-pole, 100 A protection device.\u003c\/li\u003e \u003cli\u003eFeeder protection for small commercial circuits that run 3-phase equipment like HVAC drives or lighting panels.\u003c\/li\u003e \u003cli\u003eNew installations where OEM compatibility with Square D panels ensures consistent performance and straightforward replacement.\u003c\/li\u003e \u003cli\u003eSituations that demand a compact breaker with a proven thermal-magnetic trip for reliable response to faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart number: HJL36100U31X\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 100 A\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HJL36100U31X when you need a dependable, space-conscious solution that aligns with your Square D panelboards and load centers, delivering consistent protection for critical circuits in residential, commercial, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355295436962,"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-hjl36100u31x-100-a-3-pole-circuit-breaker-ampstate-breakers-809.webp?v=1788747865","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36100u31x-100a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}