{"product_id":"square-d-hga36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HGA36150U31X - 150 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HGA36150U31X\u003c\/strong\u003e is a 150 A, 600 V, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built to handle both overcurrent and short-circuit events, this device keeps critical electrical systems safe while minimizing downtime during service or upgrades.\u003c\/p\u003e \u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and effortless replacements in existing panelboards and load centers—lower labor costs and reduced outage time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines thermal protection with magnetic instantaneous trip, providing stable, repeatable performance across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless integration with matching Square D load centers and panelboards, helping maintain coordination and electrical safety standards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where dependable protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\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 HGA36150U31X\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 150 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\u003eMounting style:\u003c\/strong\u003e Plug-in\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 \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading residential service panels where a robust 150 A, 3-pole protection device is required\u003c\/li\u003e \u003cli\u003eCommercial load centers and small to mid-sized electrical rooms needing reliable short-circuit protection\u003c\/li\u003e \u003cli\u003eLight industrial panels where quick swap-in replacement reduces downtime during maintenance or expansion\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose this plug-in breaker\u003c\/h2\u003e\n\u003cp\u003eChoosing the HGA36150U31X means selecting a solution built for dependable protection and practical maintenance. The plug-in design minimizes installation steps, while the thermal-magnetic trip unit delivers precise coordination with upstream devices and downstream loads. Its OEM compatibility reduces compatibility risk, ensuring correct fit, electrical clearance, and performance that aligns with the rest of your Square D panelboard ecosystem.\u003c\/p\u003e \u003ch2\u003ePractical tips and insights\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBefore installation, confirm panelboard compatibility with the HGA36150U31X to ensure seamless fit and proper electrical clearance.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, verify the upstream protective devices are coordinated to prevent nuisance trips while preserving fast response to actual faults.\u003c\/li\u003e \u003cli\u003eHandle with the main power off and follow electrical safety standards to protect technicians and equipment during plug-in replacement.\u003c\/li\u003e \u003cli\u003eKeep a spare on hand for rapid replacement during panel maintenance or expansion projects to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade or install with confidence—the Square D HGA36150U31X delivers reliable, fast-acting protection for your panelboard and load center systems, backed by a trusted name in electrical safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355279577250,"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_38da97e1-a4cf-4f8a-b81f-b2a40c7f5c12.png?v=1764690877","url":"https:\/\/www.ampstate.com\/products\/square-d-hga36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}