{"product_id":"siemens-q380h-80a-240v-3-pole-plug-in-circuit-breaker","title":"Siemens Q380H - 80 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens Q380H—an 80 A, 240 V, 3-pole plug-in molded case circuit breaker designed to protect your panelboards and loadcenters with precision and ease. Built to handle everyday branch circuit overcurrent and short-circuit events, this device combines solid protection with straightforward installation, making it a dependable choice for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and hassle-free replacement, minimizing downtime during upgrades or troubleshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding to both overloads and short circuits, helping to prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 80 A, 240 V design\u003c\/strong\u003e ideal for protecting 3-phase circuits and multi-wire branch circuits within panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e engineered to work with matching OEM loadcenters and panelboards, ensuring seamless integration into existing electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial environments where reliable overcurrent protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Q380H is more than just a breaker—it's a smart investment in panel reliability. Its plug-in form factor simplifies retrofits and replacements, so maintenance teams can swap units without special tools or complex wiring. The thermal-magnetic trip mechanism provides predictable protection curves, reducing the likelihood of unexpected trips while safeguarding connected equipment from damaging faults.\u003c\/p\u003e \u003cp\u003eKey scenarios where the Siemens Q380H shines:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrading aging panels to modern, plug-in protection without extensive panel rewiring.\u003c\/li\u003e \u003cli\u003eExpanding capacity in existing panels to accommodate additional 3-phase equipment or new circuits.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker with a like-for-like Q380H to restore service quickly and safely.\u003c\/li\u003e \u003cli\u003eProtecting critical branch circuits in small commercial or light industrial setups where reliable, repeatable protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this unit over alternatives? Because it pairs Siemens’ engineering with a practical form factor that aligns with standard panelboard ecosystems. With the Q380H, you get:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA proven thermal-magnetic trip technology that reacts promptly to faults while preventing unnecessary interruptions.\u003c\/li\u003e \u003cli\u003eA plug-in design that reduces installation time and labor costs.\u003c\/li\u003e \u003cli\u003eClear compatibility with Siemens and OEM loadcenters for a cohesive, safer electrical distribution system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot for quick reference:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: Q380H\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 Siemens Q380H for reliable protection, efficient serviceability, and compatibility that keeps your electrical system running smoothly day after day.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355158433954,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_36dbaa9a-fb64-49e6-9e38-43ae8af169bc.png?v=1764689776","url":"https:\/\/www.ampstate.com\/products\/siemens-q380h-80a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}