{"product_id":"square-d-qo380-80a-240v-3-pole-plug-in-circuit-breaker","title":"Square D QO380 - 80 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO380 — a dependable 80 A, 240 V, 3-pole plug-in molded case circuit breaker built to shield your panelboards and load centers from overcurrent and short-circuit events. Its plug-in design means faster installation and easier replacements, so downtime is minimized and reliability stays strong.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Swap or install with minimal effort in compatible panels—no complex wiring or loose lugs, just a secure, reliable connection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection for both overloads (thermal) and short circuits (magnetic), helping prevent nuisance trips and protecting equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 80 A, 240 V:\u003c\/strong\u003e Ideal for three-phase or multi-wire circuits in residential, commercial, and light industrial applications, providing coordinated protection where you need it.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible mounting:\u003c\/strong\u003e Designed to work with matching Square D OEM load centers and panelboards for seamless fit and dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the QO380? It’s well suited for electrical professionals and system operators looking for a reliable plug-in breaker that fits standard Square D panel architectures. Use it in panelboards and load centers that require robust branch-circuit protection for 80-amp feeders, multi-wire branches, or 3-phase distribution in homes, offices, workshops, or light manufacturing environments.\u003c\/p\u003e \u003ch2\u003eWhy this breaker matters in your electrical system\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eThe plug-in format minimizes installation time and simplifies future maintenance or panel upgrades.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic trip ensures fast response to short circuits while preventing unnecessary trips from normal load fluctuations.\u003c\/li\u003e \u003cli\u003eBeing part of the Square D QO family, it aligns with common panelboard designs, making substitution and compatibility straightforward for existing installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QO380\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 80 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D QO380 for a reliable, plug-in solution that combines quick installation with dependable protection. It’s a practical, purpose-built choice for maintaining safe, efficient electrical systems across a range of environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355405570210,"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-qo380-80-a-240-v-3-pole-plug-in-circuit-breaker-ampstate-419.webp?v=1788755120","url":"https:\/\/www.ampstate.com\/products\/square-d-qo380-80a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}