{"product_id":"square-d-qob3150vh-150a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QOB3150VH - 150 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eSquare D QOB3150VH\u003c\/strong\u003e is a rugged, bolt-on molded‑case circuit breaker engineered to deliver dependable branch‑circuit protection in panelboards and load centers. With a 150 A rating at 240 V and a 3‑pole configuration, it’s built to handle demanding commercial and light industrial circuits while staying reliable in everyday residential panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant bus connection, helping maintain consistent electrical continuity in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection for both overloads and short circuits, reducing nuisance trips and protecting sensitive equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑level compatibility\u003c\/strong\u003e ensures seamless fit and dependable performance with matching Square D load centers and panelboards, preserving proper trip curves and labeling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for \u003cem\u003eresidential, commercial, and light industrial\u003c\/em\u003e installations—ideal for feeders, subpanels, or replacement in existing Square D systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to safeguard your electrical system, the QOB3150VH acts as a reliable barrier against overcurrent and short‑circuit events. By combining a sturdy bolt‑on design with a precise thermal‑magnetic trip mechanism, this breaker minimizes downtime and protects wiring, devices, and occupants alike.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: \u003cstrong\u003eSquare D\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart Number: \u003cstrong\u003eQOB3150VH\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cstrong\u003eThermal‑magnetic molded case circuit breaker\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eAmperage Rating: \u003cstrong\u003e150 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage Rating: \u003cstrong\u003e240 V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eNumber of Poles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting Style: \u003cstrong\u003eBolt‑on\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eApplication: \u003cstrong\u003eBranch circuit overcurrent and short‑circuit protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker? Electricians and facilities professionals stocking a reliable, long‑term replacement for compatible Square D panels, as well as builders and contractors outfitting residential, commercial, or light industrial spaces that rely on stable, code‑compliant protection. If your panelboard or load center requires a three‑pole, 150 A bolt‑on unit from the Square D family, the QOB3150VH is a purpose‑built choice that aligns with OEM specifications and field‑tested performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse only in panels designed for bolt‑on Square D breakers to ensure proper engagement and labeling.\u003c\/li\u003e \u003cli\u003ePair with corresponding OEM accessories and bus structures to maintain optimal electrical contact and trip accuracy.\u003c\/li\u003e \u003cli\u003ePlan for maintenance checks that verify tight mounting and clean bus connections to minimize resistance and heat buildup over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355416252578,"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_6974b546-7582-448d-9385-bacc8fddb541.png?v=1764691973","url":"https:\/\/www.ampstate.com\/products\/square-d-qob3150vh-150a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}