{"product_id":"square-d-hgl36150u44x-circuit-breaker","title":"Square D | HGL36150U44X | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HGL36150U44X is a robust 150-amp, 3-pole circuit breaker designed for demanding 3-phase electrical systems. With a 600-volt rating, this unit delivers reliable overcurrent protection for commercial or industrial panels, helping to safeguard motors, drives, and other heavy loads while minimizing unplanned downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HGL36150U44X\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey to project success is choosing the exact match for your equipment. This breaker is intended for \u003cem\u003emaintenance, retrofit, and replacement\u003c\/em\u003e scenarios where matching specifications are essential. The part number HGL36150U44X serves as the most reliable reference for compatibility, so verify fit against your panel model and ratings before ordering.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out for professionals:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 3-phase protection:\u003c\/strong\u003e 3-pole design ensures synchronized interruption across all phases, helping protect motors, compressors, and other multi-line loads from imbalance or short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current readiness:\u003c\/strong\u003e 150A rating supports main or feeder protection in mid-to-large commercial setups without sacrificing safety or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V robustness:\u003c\/strong\u003e Built to handle higher voltage distribution environments, providing dependable performance in demanding installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined sourcing:\u003c\/strong\u003e Using the exact part number HGL36150U44X simplifies procurement for retrofit projects and reduces the risk of mismatched replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include upgrading or maintaining 3-phase distribution panels, replacing a failed breaker in 600V systems, or retrofitting equipment with a high-current, three-pole protection scheme. Its compatibility with Square D panels and adherence to specified ratings make it a prudent choice for electricians and facility managers seeking predictable, long-lasting protection.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and selection:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways confirm that the panel model and the installed bus configuration support a 3-pole, 150A, 600V device before purchasing.\u003c\/li\u003e \u003cli\u003eKeep the part number HGL36150U44X on hand as your primary reference when ordering or communicating with suppliers.\u003c\/li\u003e \u003cli\u003eDocument the trip curves and coordination needs of your system to ensure this breaker provides the intended protection without nuisance trips.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable circuit protection with a proven track record in commercial and industrial settings, the Square D HGL36150U44X delivers precise performance, straightforward sourcing, and confident installation for your 600V, 3-phase applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426776109218,"sku":"HGL36150U44X","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hgl36150u44x-circuit-breaker-150a-3-pole-600v-156.webp?v=1789619456","url":"https:\/\/www.ampstate.com\/products\/square-d-hgl36150u44x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}