{"product_id":"square-d-qo370vh-circuit-breaker","title":"Square D | QO370VH | Circuit Breaker | 3-Pole | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO370VH Circuit Breaker, a precise 3-Pole plug-in protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. This model belongs to Square D’s trusted QO series, delivering reliable overcurrent protection in a compact plug-in package.\u003c\/p\u003e \u003cp\u003eThe plug-in design of the QO370VH is purpose-built for quick, field-friendly service. Swap or upgrade breakers without rewiring or panel modifications, so downtime is minimized and safety remains your priority. When accuracy in compatibility is non-negotiable, the part number QO370VH serves as your strongest reference to ensure a correct fit in compatible Square D panels.\u003c\/p\u003e \u003ch2\u003eKey benefits and differentiators\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-Pole configuration supports three‑phase protection or multi-pole circuits in compatible panels\u003c\/li\u003e \u003cli\u003ePlug-In installation for fast, service-friendly replacement—ideal for routine maintenance and urgent replacements\u003c\/li\u003e \u003cli\u003ePart number clarity: QO370VH is your primary reference to verify compatibility with existing QO-series panels\u003c\/li\u003e \u003cli\u003eClear compatibility emphasis: confirm fit and ratings before ordering to avoid mismatches and code noncompliance\u003c\/li\u003e \u003cli\u003eDesigned to integrate with Square D’s QO family, offering consistent protection characteristics and panel coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance downtime: quickly replace a failing breaker to restore circuit protection with minimal panel exposure\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrade older electrical installations to current protection standards without extensive panel changes\u003c\/li\u003e \u003cli\u003eReplacement scenarios: when exact specifications are required, rely on the QO370VH to maintain system integrity and compliance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings for your specific panel and application. The QO370VH is the best reference for compatibility within the Square D QO-series ecosystem, so cross-check the panel labeling and trip characteristics to ensure a seamless match.\u003c\/p\u003e \u003ch2\u003eWho benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eElectricians and maintenance teams working with Square D QO panels who need precise, plug-in circuit protection\u003c\/li\u003e \u003cli\u003eFacilities managers seeking reliable, code-consistent replacement options that minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D QO370VH Circuit Breaker for dependable three-pole protection and streamlined serviceability. Its plug-in design, combined with a clear compatibility reference, helps you maintain safe, compliant electrical systems with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425670123682,"sku":"QO370VH","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo370vh-circuit-breaker-3-pole-plug-952.webp?v=1789439054","url":"https:\/\/www.ampstate.com\/products\/square-d-qo370vh-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}