{"product_id":"square-d-lh36175-175a-3-pole-plug-in-circuit-breaker","title":"Square D LH36175 - 175 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LH36175 is a 175 A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. With a fast plug-in connection, it makes installation and replacements quick and straightforward, minimizing downtime on critical electrical runs. Its thermal-magnetic trip unit provides stable, repeatable protection against overloads and short circuits, helping maintain consistent performance under varying load conditions.\u003c\/p\u003e \u003ch3\u003eKey advantages that set this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRapid plug-in connection:\u003c\/strong\u003e Simplifies installation and future service, reducing labor time and interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection:\u003c\/strong\u003e Combines overload protection (thermal) with short-circuit protection (magnetic) for reliable, coordinated tripping across all poles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability:\u003c\/strong\u003e 175 A rating supports substantial branch circuits and feeder protection in larger panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Ideal for 3-phase systems and multi-wire feeder applications common in commercial and light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Designed to be compatible with matching Square D OEM load centers and panelboards for seamless integration and predictable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial electrical systems requiring dependable protection and easy maintenance.\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 LH36175\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 175 A\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 scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the LH36175 when upgrading or maintaining panelboards and load centers that require robust, high-capacity protection for large branch circuits or feeders. It’s well-suited for commercial environments with three-phase power needs and for residential projects that demand a reliable, easy-to-replace protection device in main distribution panels. Its plug-in design makes routine replacements faster and safer, so downtime is minimized during maintenance or panel upgrades.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair this 175 A, 3-pole plug-in breaker with the corresponding Square D load centers to ensure optimal mechanical fit and electrical coordination.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, verify that the panelboard supports plug-in MCCBs of this rating and pole count to maintain system protection coordination.\u003c\/li\u003e \u003cli\u003eUse in applications where quick swap-out capability reduces service interruption, such as facilities with regular maintenance windows or critical equipment feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355322994850,"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_d44d6b1b-5dc6-4de5-a53c-063b56dc76f8.png?v=1764691315","url":"https:\/\/www.ampstate.com\/products\/square-d-lh36175-175a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}