{"product_id":"square-d-qob290vh-90a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB290VH - 90 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cstrong\u003eSquare D QOB290VH\u003c\/strong\u003e — a dependable 90 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical system with precision and confidence. Built for reliable branch circuit overcurrent and short-circuit protection, it’s a staple for panelboards and load centers in residential, commercial, and light industrial settings. \u003ch2\u003eWhy choose the QOB290VH?\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that stays put even in demanding environments, reducing movement that can lead to loose connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against both overcurrent and short circuits, helping to prevent nuisance trips while guarding electrical circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e works seamlessly with matching Square D load centers and panelboards for a reliable, compliant install with optimal fit and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applicability\u003c\/strong\u003e suitable for a wide range of installations—from home subpanels to light commercial and small industrial applications—where safe, fast interruption of fault currents is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\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: QOB290VH\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: 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles\u003c\/strong\u003e: 2\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 \u003ch2\u003ePractical applications and use cases\u003c\/h2\u003e\n\u003cp\u003eThe QOB290VH is ideal for adding or upgrading protection in panelboards and load centers where a robust two-pole, 90 A solution is needed. Use it for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSubpanels in residential homes to safeguard essential circuits and feeders\u003c\/li\u003e \u003cli\u003eLight commercial panels supporting lighting, outlets, and small equipment loads\u003c\/li\u003e \u003cli\u003eIndustrial control panels or service entrances in setups with moderate electrical demand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause it’s designed to pair with matching OEM components, you’ll experience fewer compatibility surprises during installation and commissioning, helping you meet code requirements with confidence.\u003c\/p\u003e \u003ch2\u003eInstallation and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure your panelboard or load center is compatible with the QOB290VH’s bolt-on mounting and thermal-magnetic protection specifications.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque specifications for bolt-on mounting to maintain a secure, continuous electrical connection.\u003c\/li\u003e \u003cli\u003eVerify the circuit’s load and protection needs match the 90 A rating to avoid nuisance trips or insufficient protection.\u003c\/li\u003e \u003cli\u003eAfter installation, perform a standard functional test to confirm proper tripping behavior under simulated fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eConfidence in reliable protection\u003c\/h2\u003e\n\u003cp\u003eWhen you need a clean, durable solution that resists vibration and delivers consistent protection for branch circuits, the Square D QOB290VH stands out. It combines robust mechanical mounting, precise thermal-magnetic protection, and OEM-compatibility in a compact, cost-effective package—making it an intelligent choice for electricians focused on safety, reliability, and long-term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355415924898,"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_029926b6-a1f5-41d2-859f-c0ea6ed4ac3a.png?v=1764691966","url":"https:\/\/www.ampstate.com\/products\/square-d-qob290vh-90a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}