{"product_id":"square-d-qob380vh-80a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QOB380VH - 80 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB380VH—an 80A, 240V, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Built to endure demanding environments, this unit delivers stable, repeatable protection with a secure, vibration-resistant connection that stays tight where others loosen over time.\u003c\/p\u003e \u003cp\u003eKey features that matter in real-world work:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration‑resistant bus connection, reducing the risk of loose connections in duct, commercial, or industrial spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides precise overload protection and fast short‑circuit interruption, delivering dependable protection curves under varying load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 80A, 240V design\u003c\/strong\u003e ideal for 3‑phase circuits or multi‑wire feeder protection in panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e crafted to pair with matching Square D OEM load centers and panelboards, ensuring clean fits and predictable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations where bolt-on protection is specified.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eWhen building or upgrading a distribution panel, the QOB380VH delivers more than just amperage and voltage ratings. The bolt-on mounting minimizes connection stress and vibration-related wear, while the thermal-magnetic trip unit offers reliable protection against both overcurrent and short circuits. This means fewer nuisance trips, consistent protection across temperature swings, and a safer, more resilient electrical distribution path for your loads.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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 QOB380VH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 80A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\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 \u003ch3\u003eWho should consider the Square D QOB380VH\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals and facilities managers who design, upgrade, or maintain panelboards and load centers in settings ranging from home electrical rooms to small commercial and light industrial environments. If your installation requires a bolt-on, 3‑pole unit that can handle up to 80A at 240V, the QOB380VH is a purpose-built fit that integrates smoothly with compatible Square D systems.\u003c\/p\u003e \u003ch3\u003ePractical installation and usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with the QOB family to ensure seamless mounting and electrical clearance.\u003c\/li\u003e \u003cli\u003eInstall using the proper torque for bolt-on connections and recheck after initial energization to confirm a stable, vibration-free fit.\u003c\/li\u003e \u003cli\u003eUse in projects that demand robust fault protection in spaces where vibration or movement is a factor, such as equipment rooms or distributed enclosures.\u003c\/li\u003e \u003cli\u003ePair with matching OEM components to maintain consistent trip characteristics and predictable replacement behavior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D QOB380VH is not just another breaker—it’s a purpose-built solution for reliable, code-compliant protection in panels and load centers. For professionals designing or upgrading 240V, three‑pole distribution with durable bolt‑on mounting, this unit delivers the performance you can count on day after day.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355421593762,"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_c26e924a-3692-4315-99f9-168718dd1b8f.png?v=1764692003","url":"https:\/\/www.ampstate.com\/products\/square-d-qob380vh-80a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}