{"product_id":"square-d-hja260402-40a-2-pole-plug-in-circuit-breaker","title":"Square D HJA260402 - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA260402, a 40 A, 2-pole plug-in molded case circuit breaker engineered to protect your electrical system from overcurrent and short circuits. Built for dependable performance in panelboards and load centers, this unit combines fast installation with precise protection, making it a smart upgrade or replacement for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Quick, tool-free installation and easy replacement in compatible Square D panelboards, reducing downtime and simplifying maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection across temperature variations by combining a bimetallic thermal element with magnetic short-circuit sensing for immediate response to faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design for 240V circuits:\u003c\/strong\u003e Simultaneous disconnection of both hot conductors ensures comprehensive protection of multi‑wire branch circuits and equipment powered from shared neutrals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40-Amp rating:\u003c\/strong\u003e Suitable for moderate-load circuits feeding electrical devices, motors, or heating elements where reliable protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard compatibility:\u003c\/strong\u003e Verified compatibility with matching OEM load centers and panelboards to maintain safe, code-compliant protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Ideal for service panels, subpanels, and control panels in homes, small offices, retail spaces, and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat this means for you: with the Square D HJA260402, you get a robust, plug-in breaker that not only guards equipment and wiring from damaging faults but also streamlines installation and future service. Its thermal-magnetic technology helps prevent nuisance trips in everyday loads while delivering fast short-circuit interruption when it matters most, helping you maintain uptime and safety across your electrical system.\u003c\/p\u003e \u003ch3\u003eTechnical 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 HJA260402\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 40A\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 \u003cp\u003eFor installers and facility managers, this breaker provides a dependable, OEM-compatible solution that helps maintain consistent protection strategies across panelboards and load centers. When you’re updating or stocking panels, the Square D HJA260402 stands out for its combination of quick installation, precise protection, and durable construction—delivering peace of mind for electricians and property owners alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355285672098,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja260402-40-a-2-pole-plug-in-circuit-breaker-ampstate-648.webp?v=1788747204","url":"https:\/\/www.ampstate.com\/products\/square-d-hja260402-40a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}