{"product_id":"square-d-qob280-80a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB280 - 80 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QOB280 is a 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a precise balance of rugged construction and reliable protection, it’s a smart choice for residential, commercial, and light industrial electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting for a rigid, vibration-resistant bus connection\u003c\/strong\u003e – engineered to stay solid under vibration and routine panel movements, helping maintain consistent electrical continuity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit for stable, repeatable protection\u003c\/strong\u003e – combines thermal and magnetic sensing to deliver accurate protection across a wide range of loads and fault conditions, minimizing nuisance trips while guarding against short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e – crafted to integrate smoothly with matching Square D load centers and panelboards, simplifying replacement and upgrades without compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 80A at 240V for reliable branch-circuit protection\u003c\/strong\u003e – suitable for safeguarding multi-wire branch circuits and essential electrical feeders in diverse environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits from the QOB280?\u003c\/strong\u003e Electricians, facilities managers, and property owners who need dependable routine protection for panelboards and load centers. It’s particularly well-suited for residential service panels, commercial distribution panels, and light industrial equipment racks where compact, robust protection is essential and panel space is at a premium.\u003c\/p\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: QOB280\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 80A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrade or replacement in residential panelboards where a reliable 80A, 240V two-pole breaker is required, ensuring continued protection for essential circuits.\u003c\/li\u003e \u003cli\u003eProtection of multi-wire branch circuits in small to mid-size commercial installations, where space-efficient, bolt-on mounting is advantageous.\u003c\/li\u003e \u003cli\u003eLight industrial panel configurations needing a stable, repeatable trip response to varying loads and fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIts bolt-on design provides a solid, vibration-resistant connection that helps maintain consistent electrical performance in real-world panel installations.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic trip unit delivers dependable protection without drift across temperature changes and load swings, reducing the risk of nuisance trips while safeguarding equipment.\u003c\/li\u003e \u003cli\u003eDesigned to align with Square D OEM panels, the QOB280 minimizes compatibility concerns and streamlines maintenance or future upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D QOB280 means selecting a compact, reliable solution that protects your circuits today and simplifies future panel work. Built to meet the needs of professionals who demand precise protection and durable performance, this 80A, 240V, 2-pole bolt-on breaker is ready to power safer, more resilient electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355415662754,"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_4cd40d87-0525-4b54-9f0d-46e60558782e.png?v=1764691961","url":"https:\/\/www.ampstate.com\/products\/square-d-qob280-80a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}