{"product_id":"square-d-hja261251-125a-2-pole-plug-in-circuit-breaker","title":"Square D HJA261251 - 125 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HJA261251\u003c\/strong\u003e is a 125A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection for panelboards and load centers. Built for quick, reliable protection in residential, commercial, and light industrial systems, this unit plugs into compatible Square D panels for fast service and proven performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e: Streamlines installation and replacements in tight panel spaces, reducing downtime and wiring complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Offers stable, repeatable protection by responding quickly to short circuits while balancing nuisance protection during overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e: Specifically engineered to work with matching Square D load centers and panelboards, ensuring coordinated performance and straightforward upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, commercial-ready protection\u003c\/strong\u003e: Ideal for residential, commercial, and light industrial applications where reliable protection of branch circuits is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged plug-in molded case\u003c\/strong\u003e: Compact, durable construction built for panel installation and easy future maintenance or expansion.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: HJA261251\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 125A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\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\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading existing residential panels that require robust 125A protection for main or branch circuits\u003c\/li\u003e \u003cli\u003eProtecting commercial storefronts, offices, and service rooms with reliable, code-compliant overcurrent protection\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in light industrial panelboards to minimize downtime with a drop-in plug-in solution\u003c\/li\u003e \u003cli\u003eConfiguring panel layouts where quick maintenance and safe, straightforward replacement are priorities\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe \u003cstrong\u003e2-pole configuration\u003c\/strong\u003e safeguards both hot conductors simultaneously, guarding against dangerous faults and ensuring balanced protection across circuits. The thermal-magnetic mechanism delivers precise tripping behavior—short circuits trigger rapid disconnection, while gradual overloads receive measured protection — helping protect wiring, devices, and occupants. When paired with matching OEM load centers, it supports coordinated protection and simpler future service or expansion.\u003c\/p\u003e \u003cp\u003eDesigned to fit seamlessly into panel environments and trusted by installers for reliable field performance, this plug-in breaker from Square D (available through AmpState) provides a practical, long-term solution for maintaining electrical system integrity in a variety of applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355287179426,"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_a5acac00-fc37-43be-b162-31a3aea987d2.png?v=1764690954","url":"https:\/\/www.ampstate.com\/products\/square-d-hja261251-125a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}