{"product_id":"square-d-qob330vh5237-circuit-breaker","title":"Square D | QOB330VH5237 | Circuit Breaker | 30A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB330VH5237, a genuine 30A, 3-pole circuit breaker designed for bolt-on installation. Built for reliability in maintenance, retrofit, and replacement projects, this device delivers precise protection for 240V circuits while fitting seamlessly into compatible Square D panels.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QOB330VH5237\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and setup.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise fit for compatible panels:\u003c\/strong\u003e The QOB bolt-on design is purpose-built for secure mounting in Square D appliances and panels that support this family. When exact fit matters, the \u003cem\u003eQOB330VH5237\u003c\/em\u003e delivers dependable alignment with bus bars and mounting hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDedicated 30-amp protection:\u003c\/strong\u003e Ideal for safeguarding larger branch circuits, motors, and equipment that run on 240V, providing coordinated protection across all three hot legs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement:\u003c\/strong\u003e If you’re upgrading, repairing, or retrofitting an older installation, this model offers a straightforward swap with minimal panel disruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Square D engineering:\u003c\/strong\u003e Count on built-to-spec performance, long-term durability, and compatibility with your existing Square D ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or replace aging breakers in 3-phase 240V systems that require a bolt-on 3-pole solution\u003c\/li\u003e \u003cli\u003eUpgrade service panels to maintain consistent protection across all hot conductors\u003c\/li\u003e \u003cli\u003eProtect 30A circuits powering large appliances, industrial equipment, or motors that operate at 240V\u003c\/li\u003e \u003cli\u003eMaintenance cycles where matching part numbers ensure seamless compatibility and minimal downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation considerations\u003c\/h3\u003e\n\u003cp\u003eBefore you install, verify that your panel supports bolt-on breakers in the QOB family and that the QOB330VH5237 matches the required amperage, pole count, and voltage. Always de-energize the panel and follow standard electrical safety practices. Use the part number as the primary reference to ensure the exact fit and ratings align with your equipment and electrical design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426625802402,"sku":"QOB330VH5237","price":1712.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-qob330vh5237-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}