{"product_id":"square-d-qob330vh-30a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QOB330VH - 30 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QOB330VH is a 30A, 240V, 3-pole bolt-on molded-case circuit breaker designed to deliver dependable branch circuit protection and short-circuit control in panelboards and load centers. Built for durability in real-world electrical environments, it helps keep critical systems safe and energized with confidence.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this breaker stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongsecure bolt-on mounting\u003e provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections and arc-related issues in busy electrical panels.\u003c\/strongsecure\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance by responding to both overloads and short circuits with precise behavior tailored to the circuit’s demands.\u003c\/li\u003e \u003cli\u003e\u003cstrong oem-compatible design\u003e is ready to pair with matching OEM load centers and panelboards, ensuring a smooth, trouble-free installation and reliable coordination with existing protection schemes.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong versatile for multiple settings\u003e this 3-pole device is suitable for residential, commercial, and light industrial applications where three-phase protection and a compact bolt-on solution are required.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QOB330VH\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 30A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\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 \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels and main distribution panels that require a robust 3-pole, 30A protection device.\u003c\/li\u003e \u003cli\u003eCommercial load centers supporting lighting, HVAC controls, and equipment circuits where reliable trip performance matters.\u003c\/li\u003e \u003cli\u003eLight industrial panelboards that demand a durable bolt-on breaker with solid bus connection under vibration and varying load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eChoose this breaker when your panelboard or load center is designed to accept a bolt-on, 3-pole protection device from the same OEM family. The bolt-on mounting is engineered for a secure connection that stays put in environments with regular vibration or movement. Always verify that the panelboard is rated for 240V systems and that the QOB330VH matches the intended circuit’s amperage and pole requirements. For best results, align protection with the overall electrical design to ensure coordinated tripping and safe shutdown across the entire distribution network.\u003c\/p\u003e \u003ch3\u003eWhy choose the QOB330VH\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliable protection with a thermal-magnetic trip that balances sensitivity and selectivity for everyday electrical loads.\u003c\/li\u003e \u003cli\u003eDurable, vibration-resistant installation thanks to secure bolt-on mounting in demanding panel environments.\u003c\/li\u003e \u003cli\u003eClear compatibility with OEM load centers and panelboards, reducing integration risk and installation time.\u003c\/li\u003e \u003cli\u003eClear, practical suitability for residential, commercial, and light industrial applications needing solid three-pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for technicians and electrical professionals who value consistent performance, straightforward installation, and proven protection. The QOB330VH delivers peace of mind for branch circuits where dependable, code-compliant overcurrent and short-circuit protection is essential.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355418939554,"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_459bc953-fa41-45c6-ad97-56c2ef4771b0.png?v=1764691984","url":"https:\/\/www.ampstate.com\/products\/square-d-qob330vh-30a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}