{"product_id":"square-d-hgl36040-40a-600v-3-pole-circuit-breaker","title":"Square D HGL36040 - 40 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HGL36040 — a 40 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for three-phase loads, this compact unit preserves valuable panel space while delivering precise, repeatable protection when it matters most.\u003c\/p\u003e \u003ch3\u003eWhat sets the HGL36040 apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e optimizes panel real estate, making it ideal for tighter electrical enclosures without compromising protection or ease of installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by sensing both overload conditions (thermal) and short-circuit events (magnetic) for predictable trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ensures balanced protection for three-phase circuits, maintaining coordination and safety across multi-wire loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e supports commercial and light industrial applications, giving you solid protection for higher-voltage panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40 A rating\u003c\/strong\u003e targets common branch circuit protections, enabling reliable control of moderate load currents in varied environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Square D loadcenters and panelboards for straightforward replacement and verified performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D reliability\u003c\/strong\u003e with a proven track record in electrical distribution, used across residential, commercial, and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for protecting three-phase branch circuits in panelboards and loadcenters where space is at a premium and robust short-circuit protection is required. Suitable for electrical installations in homes with commercial-grade panels, small to mid-size businesses, and light industrial environments where dependable, repeatable trip performance is essential.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\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 HGL36040\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:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\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\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cp\u003eChoose the HGL36040 when your panelboard or loadcenter requires a matching OEM device to ensure seamless integration, proper trip coordination, and reliable performance under fault conditions. Verify that your installation context supports a 600 V, 3-pole device and that the panel’s labeling and rating align with a 40 A protective solution. For best results, pair with other Square D HGL-series components to maintain consistent trip characteristics and service continuity across your electrical distribution equipment.\u003c\/p\u003e \u003cp\u003eIn short, the Square D HGL36040 delivers compact, reliable, three-phase protection with a thermal-magnetic trip profile, designed to fit and perform in practical residential, commercial, and light industrial setups. It’s a purposeful choice when you need solid protection without compromising panel space or compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355281739938,"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_f97624fd-0d7b-4f19-b5bc-7750a9145b52.png?v=1764690896","url":"https:\/\/www.ampstate.com\/products\/square-d-hgl36040-40a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}