{"product_id":"square-d-hjl36030aa-30a-600v-3-pole-circuit-breaker","title":"Square D HJL36030AA - 30 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJL36030AA is a 30 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for electricians who value precise protection and easy field replacement, this device integrates seamlessly into existing Square D or OEM punch‑center configurations while delivering consistent performance across demanding commercial and light industrial environments.\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, making installation in tight enclosures straightforward without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against both overloads and short circuits, reducing nuisance trips and improving reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e supports balanced 3‑phase systems up to 600 V, ideal for commercial electrical distributions and light industrial equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to be plug‑and‑play with matching OEM load centers and panelboards, simplifying replacement and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial circuits where robust protection and quick interruption are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eIn electrical distribution, the ability to quickly interrupt fault currents can prevent equipment damage, reduce downtime, and enhance overall safety. The HJL36030AA’s thermal-magnetic protection curve is designed to respond precisely to real-world load conditions, delivering dependable performance across a range of circuits—from lighting and receptacle circuits to motor-start applications in light manufacturing. Its compact form and compatibility with Square D panelboards mean fewer compatibility headaches during panel upgrades or service replacements.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels where a reliable 3‑pole, 30 A protection device is needed for three-phase equipment or switchgear.\u003c\/li\u003e \u003cli\u003eCommercial office suites or retail spaces with mixed lighting and HVAC loads requiring solid fault protection.\u003c\/li\u003e \u003cli\u003eLight industrial enclosures protecting motors, conveyors, or processing equipment in small to mid‑scale facilities.\u003c\/li\u003e \u003cli\u003eReplacement in existing Square D or compatible panelboards to extend service life without reconfiguring the distribution scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specs 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 HJL36030AA\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 30 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\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady for reliable protection in your electrical distribution system, the Square D HJL36030AA is available from AmpState as a precise, durable solution designed for straightforward installation, predictable performance, and long service life in a variety of settings. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355293634722,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_43fca4d0-6113-41df-8ce3-d63b8821907b.png?v=1764690998","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36030aa-30a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}