{"product_id":"square-d-hda260404-40a-600v-2-pole-plug-in-circuit-breaker","title":"Square D HDA260404 - 40 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HDA260404 — a 40A, 600V, 2-pole plug-in molded case circuit breaker from Square D, available through AmpState. This unit is purpose-built to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers, with a design that prioritizes speed, reliability, and easy servicing.\u003c\/p\u003e \u003ch2\u003eFast, reliable protection with plug-in convenience\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e — quick installation and simple replacement that reduces panel downtime and minimizes service interruptions on job sites or maintenance calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — dual protection that responds to overloads with a stable, repeatable thermal trip and interrupts severe faults via magnetic trip for fast, decisive action.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 40A, 600V rating\u003c\/strong\u003e — handles multi-wire circuits and high-voltage applications, safeguarding conductors and equipment up to 600V with up to 40 amps of continuous protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panelboard compatibility\u003c\/strong\u003e — designed to match Square D load centers and panelboards, ensuring coordinated protection and reliable operation within existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e — suitable for residential, commercial, and light industrial applications where dependable circuit protection and quick service are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding residential panels to provide dedicated 40A branch circuits for appliances or subpanels while maintaining a clean, plug-in integration.\u003c\/li\u003e \u003cli\u003eCommercial service panels needing a dependable, easily replaceable 2-pole breaker for feeders or critical circuits in offices, retail spaces, and light manufacturing.\u003c\/li\u003e \u003cli\u003eLight industrial control enclosures requiring robust overcurrent protection on 240V circuits with a straightforward plug-in installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\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\u003eVoltage rating:\u003c\/strong\u003e 600V\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\u003eWhether you’re upgrading an existing panel, wiring a new commercial space, or stocking service vans for rapid replacements, the Square D HDA260404 delivers precise protection, easy installation, and enduring performance. Rely on its thermal-magnetic trip to consistently protect circuits from overloads and short circuits, while the plug-in design keeps maintenance efficient and downtime to a minimum. For professionals who value compatibility, reliability, and practical uptime, this 40A, 600V, 2-pole breaker is a clear choice for Square D panelboards and load centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355241533602,"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_f560bbf2-7e6f-4827-b2a5-21331586c305.png?v=1764690704","url":"https:\/\/www.ampstate.com\/products\/square-d-hda260404-40a-600v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}