{"product_id":"square-d-hda36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HDA36150U31X - 150 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36150U31X: a 150A, 600V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Its plug-in design accelerates installations and replacements, while the thermal-magnetic trip unit provides stable, repeatable protection across a range of operating conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and hassle-free replacement—seating securely into compatible Square D panelboards with minimal wiring complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers precise, coordinated protection against both overcurrent and short circuits, helping to reduce nuisance trips and protect downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e engineered to fit matching Square D load centers and panelboards, ensuring proper fit, reliable performance, and streamlined maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e provides full 3-phase protection for commercial and light industrial environments, suitable for feeding motors, compressors, and multi-branch circuits in distributed power systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDA36150U31X\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 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\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 \u003cp\u003eThis device is ideal for electrical professionals and facility teams seeking robust, scalable protection in residential, commercial, and light industrial applications. Use it to safeguard distribution feeders, protect motors and other high-inrush loads, or upgrade panelboards and load centers where quick replacement and reliable trip performance are critical.\u003c\/p\u003e \u003ch2\u003eWhy choose the Square D HDA36150U31X\u003c\/h2\u003e \u003cp\u003eUnlike standalone or labor-intensive alternatives, this plug-in breaker simplifies upgrades and servicing in compatible panelboards, reducing downtime and maintenance costs. The 3-pole configuration ensures synchronized protection across all three phases, which is essential for balanced loads and motor-start scenarios. With a 150A rating at 600V, it’s built to handle demanding distribution networks in modern facilities while maintaining precise trip characteristics that protect both circuits and equipment.\u003c\/p\u003e \u003cp\u003eWhether you’re wiring a new panel, expanding a distribution feed, or replacing a worn-out breaker, the HDA36150U31X from Square D offers a reliable, maintenance-friendly solution designed to integrate smoothly with existing Square D infrastructure and support a broad range of residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355258015906,"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-hda36150u31x-150-a-600-v-3-pole-plug-in-circuit-breaker-210.webp?v=1788745776","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36150u31x-150a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}