{"product_id":"square-d-hja36100sa-100a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HJA36100SA - 100 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36100SA is a 100 A, 600 V, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to install quickly and restore power fast, it’s the practical choice when reliability matters in everyday electrical systems.\u003c\/p\u003e \u003cp\u003eKey advantages you’ll notice in the field:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e: Quick installation and effortless replacement reduce downtime during maintenance or panel upgrades, keeping projects on schedule.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection by combining overload sensing with short-circuit protection, helping prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e: Specifically engineered to integrate with matching OEM load centers and panelboards, ensuring correct fit, coordinated trip characteristics, and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration for 3-phase systems\u003c\/strong\u003e: Ideal for commercial and light industrial layouts that require evenly protected three-phase feeders alongside residential-grade panels in mixed-use settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eWhen your electrical distribution needs are evolving, the Square D HJA36100SA provides a proven, plug-in solution that protects against overcurrent and short circuits without the complexity of hard-wired alternatives. Its thermal-magnetic trip technology reduces downtime by minimizing incorrect trips, while the plug-in design simplifies serviceability in crowded panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panelboard upgrades or replacements in commercial spaces.\u003c\/li\u003e \u003cli\u003eFacilities managers overseeing light industrial electrical distribution that relies on reliable 3-pole protection.\u003c\/li\u003e \u003cli\u003eResidential\/commercial installers needing a robust, easily serviceable three-phase protection option for compatible panelboards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 HJA36100SA\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 \u003cp\u003eIn practice, this breaker supports a clean, dependable protection strategy for panelboards and load centers across residential, commercial, and light industrial environments. If you’re upgrading or maintaining a three‑phase distribution system, the Square D HJA36100SA offers precise protection, straightforward service, and compatibility you can trust for years of reliable operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355290161314,"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_303070b8-2e03-44d9-a374-6709935d3cec.png?v=1764690977","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100sa-100a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}