{"product_id":"square-d-hja36100u33x-100a-3-pole-plug-in-circuit-breaker","title":"Square D HJA36100U33X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA36100U33X: a 100 A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and loadcenters. Built for steady, repeatable performance, this device secures electrical systems in residential, commercial, and light industrial settings with confidence.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e facilitates rapid installation and effortless replacement, minimizing downtime during service or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, predictable protection against both overloads and short circuits, helping to protect wires, devices, and downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e accommodates three-phase circuits, making it ideal for commercial and light-industrial panels where balanced protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures reliable performance when paired with matching Square D load centers and panelboards, reducing compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in mounting\u003c\/strong\u003e allows straightforward installation within compatible panels, supporting clean wiring and scalable protection for growing electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew installations in panelboards where a robust 100 A, 3-pole protective device is required\u003c\/li\u003e \u003cli\u003eRepairs or upgrades in residential, commercial, or light industrial environments needing dependable branch circuit protection\u003c\/li\u003e \u003cli\u003ePanel replacements or expansions where quick plug-in compatibility reduces project timelines\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems it solves\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overcurrent and short circuits, shielding conductors and connected equipment\u003c\/li\u003e \u003cli\u003eEliminates guesswork during replacement thanks to a plug-in design that matches standard OEM panels\u003c\/li\u003e \u003cli\u003eMaintains consistent protection performance through a thermal-magnetic trip mechanism that reacts precisely to electrical faults\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 HJA36100U33X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\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 \u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with OEM specifications before replacing or installing the device—matching load centers ensure optimal performance.\u003c\/li\u003e \u003cli\u003ePower down and lockout-tagout procedures should be followed prior to any replacement or wiring work.\u003c\/li\u003e \u003cli\u003eKeep conductors clean and properly terminated to maintain reliable trip performance and reduce contact resistance.\u003c\/li\u003e \u003cli\u003ePlan for future expansion by pairing this 3-pole breaker with compatible accessories and panel layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEngineered by Square D and offered by AmpState, the HJA36100U33X delivers precise protection where you need it most—in the heart of your electrical system. Whether you’re upgrading a panel, expanding a commercial installation, or outfitting a new service entrance, this 100 A, 3-pole plug-in breaker provides the reliability, compatibility, and ease of installation that professionals rely on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355290488994,"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-hja36100u33x-100-a-3-pole-plug-in-circuit-breaker-ampstate-550.webp?v=1788747581","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100u33x-100a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}