{"product_id":"square-d-hda36100u31x-100a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HDA36100U31X - 100 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned to deliver dependable branch circuit protection in panelboards and load centers, the Square D HDA36100U31X is a 100 A, 600 V, 3-pole plug-in molded case circuit breaker built for fast, reliable service in residential, commercial, and light industrial settings. Its plug-in design simplifies installations and replacements, keeping downtime to a minimum while maintaining robust protection across your electrical system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and straightforward replacement, reducing both labor time and service interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable overcurrent and short-circuit protection, adapting to varying loads and preventing nuisance trips in normal operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ideal for 3-phase systems, supporting balanced protection in commercial panels and light industrial machinery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to pair with matching Square D load centers and panelboards, ensuring seamless integration with existing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged molded case construction\u003c\/strong\u003e built to withstand the rigors of everyday electrical environments while delivering reliable performance over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications requiring solid branch circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cp\u003eBeyond basic specs, the HDA36100U31X emphasizes practical reliability. The thermal-magnetic trip unit combines predictable thermal response with magnetic instantaneous protection, so you get consistent performance under a range of fault conditions. The plug-in mounting simplifies servicing in crowded panels, and its 3-pole design supports modern three-phase layouts without compromising simplicity or safety. When paired with the right OEM panel, you gain a cohesive protection strategy across your electrical distribution system.\u003c\/p\u003e \u003ch3\u003eTechnical specifications 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 HDA36100U31X\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 100 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 \u003ch3\u003eIdeal use cases and practical considerations\u003c\/h3\u003e\n\u003cp\u003eWhether you're wiring a commercial office building, a light industrial outlet, or upgrading a residential panel, this breaker provides reliable protection for critical circuits. Use it in conjunction with compatible Square D panelboards to maintain a unified protection scheme. When installing, ensure compatibility with your OEM load center, follow manufacturer torque specifications for terminations, and verify proper alignment for a secure plug-in connection. If a trip occurs, inspect the connected load and conductors for overloads or short circuits, then reset or replace the breaker as needed to restore safe operation.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panel upgrades or replacements on commercial or light industrial sites\u003c\/li\u003e \u003cli\u003eFacilities managers maintaining consistent, code-compliant protection across multiple panels\u003c\/li\u003e \u003cli\u003eHomebuilders and electricians wiring 3-phase or multi-circuit residential\/commercial installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HDA36100U31X for a trusted, OEM-compatible plug-in solution that combines quick installation with dependable thermal-magnetic protection. It’s the practical, high-performance choice for safeguarding your electrical distribution—now available from AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355256311970,"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_185d67aa-91b1-4116-940d-d39be33f0cfc.png?v=1764690758","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36100u31x-100a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}