{"product_id":"square-d-qob3255237","title":"Square D QOB3255237 25A 3-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QOB3255237\u003c\/strong\u003e — a 25A, 3-Pole, 240 V circuit breaker with an integrated potential transformer. This reliable protection device not only interrupts fault current but also provides built-in measurement capabilities, making it a smart fit for modern electrical panels and energy-management setups.\u003c\/p\u003e \u003cp\u003eWhat sets this unit apart is the combination of solid overcurrent protection with measurement-ready features. The 3-pole design ensures synchronized protection across all phases in three-phase systems, helping safeguard motors, feeders, and other equipment from damaging faults on a 240 V network. The 25 A current rating is well-suited for branch circuits and intelligent distribution where you need dependable protection without unnecessary trips.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated potential transformer:\u003c\/strong\u003e enables voltage monitoring and seamless interaction with metering systems, protection relays, and building automation for smarter energy management.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e ideal for commercial and light-industrial panels distributing 240 V across multiple motors and loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, space-conscious design:\u003c\/strong\u003e simplifies panel layout and wiring, easing installation in existing enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QOB3255237 — clearly identifiable for easy ordering and replacement within the Square D family.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for technicians and facilities teams upgrading or maintaining three-phase power distribution, this breaker delivers reliable fault protection while feeding measurement data into your monitoring and energy-management workflow. Use it in panels that require a sturdy 25 A, 3-pole 240 V protection device with the added benefit of a built-in potential transformer for monitoring and relay integration.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QOB3255237\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 25 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker with Integrated Potential Transformer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423538696354,"sku":"QOB3255237","price":1683.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qob3255237-25a-3-pole-240-v-circuit-breaker-potential-298.webp?v=1789313734","url":"https:\/\/www.ampstate.com\/products\/square-d-qob3255237","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}