{"product_id":"square-d-hja260401-40a-2-pole-plug-in-circuit-breaker","title":"Square D HJA260401 - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HJA260401 — a 40 A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. With a fast plug-in connection and a robust thermal-magnetic trip unit, this breaker keeps electrical systems running smoothly with precise, repeatable protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Simplifies installation and replacement, minimizing downtime during panel service or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Provides stable, repeatable protection by responding to both overloads and short circuits for reliable circuit safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Designed to fit and work with matching square D OEM loadcenters and panelboards, ensuring proper operation within existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for multiple environments:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial applications where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey 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 HJA260401\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 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\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\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eIn electrical panels, reliability is non-negotiable. The Square D HJA260401 is purpose-built to handle daily loads while protecting wiring and devices from damage due to overloads and faults. The plug-in design reduces service time during installation or replacement, and the thermal-magnetic mechanism delivers quick, predictable tripping characteristics, so you can trust it to intervene when needed and stay out of the way during normal operation.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eThis breaker is an excellent choice for professionals and DIY installers working on:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential electrical panels upgrading or replacing aging protection devices\u003c\/li\u003e \u003cli\u003eCommercial panel installations requiring reliable branch circuit protection\u003c\/li\u003e \u003cli\u003eLight industrial setups where compact, quick-install protection is valued\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstalling as a dedicated 40 A, 2-pole protection device for circuits that require strong current handling with clean, fast disconnection on fault conditions.\u003c\/li\u003e \u003cli\u003ePairing with matching OEM loadcenters and panelboards to maintain system integrity and consistent protection performance.\u003c\/li\u003e \u003cli\u003eUsing in applications where minimize downtime is important—the plug-in design supports swift replacements without extensive panel disassembly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D HJA260401, you get a purpose-built solution that combines quick installation, precise protection, and compatibility with standard panelboard architectures. It’s a dependable choice for safeguarding electrical circuits across a range of settings while simplifying service and upgrades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355285606562,"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_b1a25474-9801-4279-84ed-c3b902c2f4c8.png?v=1764690932","url":"https:\/\/www.ampstate.com\/products\/square-d-hja260401-40a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}