{"product_id":"square-d-hjl36150u31x-150a-600v-3-pole-circuit-breaker","title":"Square D HJL36150U31X - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003eSquare D HJL36150U31X—150 A, 600 V, 3-Pole Circuit Breaker from AmpState is crafted to deliver dependable, space-efficient protection for your panel infrastructure. Designed for reliable branch circuit overcurrent and short-circuit protection, this molded case breaker integrates seamlessly with compatible Square D OEM loadcenters and panelboards, making upgrades and replacements straightforward and secure. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e: Maximizes usable panel space without sacrificing protection, ideal for tightly-packed panels in residential, commercial, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Provides stable, repeatable protection that responds precisely to overcurrent and short-circuit conditions, reducing nuisance trips while keeping critical circuits safe.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e: Ensures coordinated protection across all phases in 3-phase systems, improving fault handling and minimizing equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: Engineered to fit and perform with matching Square D loadcenters and panelboards, simplifying retrofits and new installs alike.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current, high-voltage capacity\u003c\/strong\u003e: Rated at 150 A and 600 V, making it suitable for demanding branch circuits and feeder protection in a range of applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases\u003c\/strong\u003e: From service panels and distribution panels to subpanel feeders, this breaker is ready for residential, commercial, and light industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the HJL36150U31X for your electrical protection needs? The combination of a compact form factor and a reliable thermal-magnetic trip mechanism delivers predictable, long-term performance in real-world conditions. Its 3-pole design provides balanced protection across all phases, helping prevent uneven loading and potential equipment damage in three-phase systems.\u003c\/p\u003e \u003cp\u003ePractical scenarios include upgrading aging panels where space is at a premium, configuring feeders for heavy loads like HVAC or manufacturing equipment, or stocking a service fleet with a trusted, drop-in replacement that keeps downtime to a minimum. For technicians and facilities managers, the HJL36150U31X offers confident protection with straightforward installation and compatibility, backed by Square D’s trusted engineering heritage.\u003c\/p\u003e \u003cp\u003eStore-ready, maintenance-friendly, and built to endure industrial duty cycles, this 150 A, 600 V, 3-pole molded case circuit breaker is an essential component for any panelboard or loadcenter that demands precise protection, reliable performance, and OEM-grade compatibility. Trust AmpState to provide authentic Square D components that keep your electrical systems safe and compliant.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355296059554,"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_c698460e-0fe8-4572-97a9-8c02b11f44de.png?v=1764691020","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36150u31x-150a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}