{"product_id":"square-d-qo220as","title":"Square D QO220AS 220A 2-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eProtect high-demand electrical circuits with precision using the Square D QO220AS 220A 2-Pole 240 V Circuit Breaker. This reliable Square D component—Part Number QO220AS—delivers robust overcurrent protection for demanding 240-volt systems, thoughtfully designed to fit within the Square D QO family of panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCurrent rating: 220 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage rating: 240 V\u003c\/li\u003e \u003cli\u003ePart number: QO220AS\u003c\/li\u003e \u003cli\u003eSeries: Square D QO (2-pole, high-current protection)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 220A, 2-Pole breaker matters\u003c\/h3\u003e\n\u003cp\u003eWhen you’re protecting sizable feeders or high-load circuits, a 220 A, two-pole solution ensures both hot legs disconnect together. This coordinated shutdown is essential for safe operation of 240-volt equipment and reduces the risk of half-switched voltage scenarios that can harm devices or personnel.\u003c\/p\u003e \u003ch3\u003eDesigned for the Square D QO ecosystem\u003c\/h3\u003e\n\u003cp\u003eAs part of the QO family, this breaker is engineered for reliable compatibility with Square D QO panels and load centers. That means smoother installation, straightforward replacement, and consistent protection without compromising performance.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHigh-current feeders feeding large subpanels in commercial settings\u003c\/li\u003e \u003cli\u003eProtection for 240-volt circuits that require a robust 220 A limit\u003c\/li\u003e \u003cli\u003ePanel modernization or upgrades where a 2-pole, 240 V breaker is specified\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cp\u003eThe QO220AS isn’t just about meeting a spec—it’s about dependable, predictable protection for critical loads. With a solid 220A capacity and a 2-pole design, it provides clear, decisive interruption when faults occur, helping safeguard wiring, motors, and connected equipment while supporting long-term panel reliability.\u003c\/p\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eFor best results, ensure this breaker is used in compatible Square D QO panels and that the circuit’s load characteristics align with a 220 A, 2-pole, 240 V protection strategy. Proper installation by a qualified electrician will help maintain system safety and performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423150362786,"sku":"QO220AS","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo220as-220a-2-pole-240-v-circuit-breaker-potential-905.webp?v=1789275750","url":"https:\/\/www.ampstate.com\/products\/square-d-qo220as","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}