{"product_id":"square-d-hda36125-125a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HDA36125 - 125 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters, the Square D HDA36125 delivers robust 125A, 600V protection in a compact, plug-in package. This 3-pole molded case circuit breaker is built to streamline serviceability and reliability in demanding commercial, light industrial, and residential environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and effortless replacement, minimizing panel downtime during upgrades or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance across varying loads and ambient conditions, helping prevent nuisance trips while safeguarding circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-loadcenter compatibility\u003c\/strong\u003e designed to integrate smoothly with matching Square D panelboards and loadcenters, reducing compatibility concerns and stocking requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole operation\u003c\/strong\u003e ensures simultaneous disconnection of all poles, delivering reliable protection for multi-phase circuits common in commercial and light industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case, plug-in design\u003c\/strong\u003e combines rugged protection with straightforward field replacement, supporting faster service and long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: HDA36125\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 125A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits from the HDA36125? \u003c\/p\u003e \u003cul\u003e \u003cli\u003eFacilities upgrading to more reliable protection in panelboards and load centers where 3-phase circuits are prevalent.\u003c\/li\u003e \u003cli\u003eElectrical contractors and service teams seeking fast, low-downtime replacements during panel maintenance or expansion projects.\u003c\/li\u003e \u003cli\u003eResidential, commercial, and light industrial environments that require a proven, plug-in solution with consistent trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model stands out in its category\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDistinctive plug-in capability minimizes on-site wiring complexity while accelerating installation and replacement workflows.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic trip unit offers dependable response to both overload conditions and short-circuit events, helping protect feeders and downstream equipment without excessive nuisance trips.\u003c\/li\u003e \u003cli\u003eDesigned for seamless alignment with matching OEM loadcenters, reducing compatibility risk and streamlining panel inventories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use tips: install only in compatible panelboards\/loadcenters, follow all applicable electrical codes, and consult a qualified electrician for installation and safety compliance. For environments ranging from office buildings to light manufacturing facilities, the Square D HDA36125 provides a reliable, easy-to-service solution that keeps critical electrical systems protected and ready to operate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355257917602,"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_2a426823-462a-4b41-8bb4-bf6b8c40ec3f.png?v=1764690764","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36125-125a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}