{"product_id":"square-d-qob220vh-20a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB220VH - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your electrical system with precision and reliability using the Square D QOB220VH 20A, 240V, 2-Pole Bolt-On Molded Case Circuit Breaker — the trusted choice for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for steady performance in demanding environments, this breaker pairs robust mounting with precise trip technology to keep circuits safe and outages rare.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: A secure, vibration-resistant bus connection that stays tight under the demands of busy panels and equipment rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal and magnetic trip mechanisms for stable, repeatable protection across a range of fault conditions and load types.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20A, 240V, 2-Pole\u003c\/strong\u003e: Delivers targeted protection for two conductors with a common trip, ideal for shared circuits and multi-wire arrangements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: Designed to install seamlessly in matching Square D OEM load centers and panelboards, simplifying replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applicability\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial panels — supporting lighting, receptacle circuits, and small machinery feeds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDurable, molded-case construction rated for consistent performance in environments where panel access is limited and maintenance windows are tight.\u003c\/li\u003e \u003cli\u003ePrecise, thermal-magnetic protection helps prevent nuisance trips while still delivering fast, decisive response during short circuits or overloads.\u003c\/li\u003e \u003cli\u003eCompact 2-pole design with bolt-on mounting offers a reliable fit where space and panel design favor rigid, secure connections over alternative mounting styles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\u003cstrong manufacturer:\u003e Square D\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong part number:\u003e QOB220VH\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong type:\u003e Thermal-magnetic molded case circuit breaker\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong amperage rating:\u003e 20A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong voltage rating:\u003e 240V\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong number of poles:\u003e 2\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong mounting style:\u003e Bolt-on\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong application:\u003e Branch circuit overcurrent and short-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e \u003cul\u003e \u003cli\u003eResidential panels replacing a failed or aged breaker on a 240V branch circuit\u003c\/li\u003e \u003cli\u003eCommercial panels demanding reliable, low-torque retention in busy service rooms\u003c\/li\u003e \u003cli\u003eLight industrial setups where solid, vibration-resistant mounting prevents bus-bar looseness\u003c\/li\u003e \u003cli\u003eNew installations or upgrades where OEM compatibility ensures smooth panel compatibility and field serviceability\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore installation, confirm the panelboard is rated for the QOB220VH and that the bolts are torqued to the manufacturer’s specification to maintain a reliable bus connection.\u003c\/li\u003e \u003cli\u003eUse the bolt-on design to achieve a rigid, long-lasting connection in environments with vibration or thermal cycling.\u003c\/li\u003e \u003cli\u003ePlan for replacement and spare parts by noting the exact part number QOB220VH to ensure future compatibility with matching load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFrom AmpState, the Square D QOB220VH delivers focused, durable protection for the circuits that matter most. If you’re upgrading a panel, replacing a faulty breaker, or stocking a reliable component for residential, commercial, or light industrial service, this 20A, 240V, 2-pole bolt-on solution keeps your electrical system safe, compliant, and ready for everyday demand.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355411271842,"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_60144b93-2164-4d87-9d4a-623ecccf7cd9.png?v=1764691935","url":"https:\/\/www.ampstate.com\/products\/square-d-qob220vh-20a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}