{"product_id":"square-d-hdl36045-45a-3-pole-circuit-breaker","title":"Square D HDL36045 - 45 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eFrom AmpState, the Square D HDL36045 stands out as a reliable 45 A, 3-pole molded-case circuit breaker designed to protect your panelboards and load centers against overcurrent and short circuits. This isn’t just a part—it’s a strategic upgrade for safety, reliability, and panel efficiency.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space while delivering dependable protection, making it an ideal retrofit for tight panels or crowded layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection curves—responding quickly to short circuits while minimizing nuisance trips from normal inrush or motor starts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ensures simultaneous disconnection of all conductors in 3-phase circuits, enhancing safety and simplifying fault isolation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching OEM load centers and panelboards, streamlining field replacements and ensuring a cohesive system fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical installations where robust branch-circuit protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: HDL36045\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 45 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eReal-world use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing an aging or tripping breaker in home or light commercial panelboards where a reliable 3-pole solution is required.\u003c\/li\u003e \u003cli\u003eUpgrading panel protection for equipment with 3-phase loads or motors, ensuring safe, simultaneous shutoff on fault conditions.\u003c\/li\u003e \u003cli\u003eInstalling in new builds where space is at a premium and OEM compatibility guarantees a seamless fit with existing load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in practice: the thermal-magnetic trip unit blends precise overload protection with fast short-circuit response, delivering predictable performance and reducing downtime across your electrical system. The HDL36045’s compact form factor, combined with OEM panel compatibility, makes it a practical, long-term choice for safeguarding critical circuits.\u003c\/p\u003e \u003cp\u003eIf you’re seeking a dependable, OEM-aligned 3-pole MCCB that fits compact panels and delivers proven overcurrent protection for residential, commercial, or light-industrial applications, the HDL36045 from Square D is a thoughtful, performance-focused option. Add it to your cart to ensure consistent, code-compliant protection where it counts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355262472354,"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-hdl36045-45-a-3-pole-circuit-breaker-ampstate-breakers-936.webp?v=1788745966","url":"https:\/\/www.ampstate.com\/products\/square-d-hdl36045-45a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}