{"product_id":"square-d-hda36040-40a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HDA36040 - 40 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HDA36040 is a 40A, 600V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection simplifies installation and makes replacements quick and clean, minimizing downtime during upgrades or service outages.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and effortless field replacement, keeping your electrical system up and running with minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across varying load conditions, safeguarding wiring and equipment from both overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e suited to three-phase circuits, ideal for commercial and light industrial panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V and 40A rating\u003c\/strong\u003e designed for higher voltage applications while delivering precise current protection for your branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in molded case design\u003c\/strong\u003e ensures compatibility with matching OEM load centers and panelboards for seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where reliable circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eTechnical specifications at a glance\u003c\/h4\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 HDA36040\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\u003eVoltage Rating:\u003c\/strong\u003e 600V\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 \u003cp\u003eWho should consider the Square D HDA36040? electricians, facilities engineers, and maintenance teams responsible for protecting electrical distribution in panelboards and load centers where three-phase power is used. It’s particularly advantageous when upgrading existing panels or expanding capacity in commercial and light industrial settings, where fast installation and reliable protection directly impact uptime and safety.\u003c\/p\u003e \u003cp\u003eIn practice, this 40A, 600V, 3-pole plug-in circuit breaker helps you:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent nuisance trips by relying on a trusted thermal-magnetic trip mechanism that responds precisely to overloads and short circuits.\u003c\/li\u003e \u003cli\u003eMinimize service interruptions with a plug-in design that supports rapid replacements and straightforward maintenance.\u003c\/li\u003e \u003cli\u003eEnsure compatibility and consistent performance within OEM-loaded panelboards and load centers for a cohesive electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor a dependable, industry-standard solution that pairs strong protection with practical serviceability, the Square D HDA36040 delivers clear, tangible value in any suitable panel environment. Add it to your electrical protection lineup and experience straightforward installation, reliable performance, and long-lasting protection for your critical circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355250905250,"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_d5648fa9-b9c2-4c22-8781-d3de0bbcea50.png?v=1764690744","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36040-40a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}