{"product_id":"square-d-qob120epd2100-circuit-breaker","title":"Square D | QOB120EPD2100 | Circuit Breaker | 20A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB120EPD2100 circuit breaker — a precise, ready-to-install 1-pole device engineered for 120V circuits. With a 20A rating, it’s designed for maintenance, retrofit, and replacement tasks where exact specs matter, helping restore panel reliability quickly and confidently.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QOB120EPD2100 — the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this breaker? Its \u003cem\u003eQOB120EPD2100\u003c\/em\u003e designation signals exact compatibility with Square D panels that support the QOB-family style breakers, making it a reliable choice for replacements and upgrades. Using the exact part number helps you avoid guesswork and ensures the breaker matches the panel’s electrical characteristics and physical fit.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or tripped breaker in residential or light commercial panels that require a 1-pole, 20A, 120V device\u003c\/li\u003e \u003cli\u003eRetrofit projects where adding or rebalancing circuits calls for a precise 20A, single-pole solution\u003c\/li\u003e \u003cli\u003eMaintenance workflows that demand fast, point‑and‑play compatibility with existing Square D electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat to check before you buy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm fit and ratings using the exact part number: QOB120EPD2100\u003c\/li\u003e \u003cli\u003eVerify your panel model supports the QOB-series configuration and 120V, 20A, 1-pole format\u003c\/li\u003e \u003cli\u003eEnsure the circuit you’re protecting aligns with a 20A threshold to prevent nuisance trips and maintain safety\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation notes for a smooth retrofit or replacement: shut off the main power, remove the old breaker, align the new QOB120EPD2100 with the existing bus connection, and secure it firmly. If you’re unsure about panel compatibility, rely on the part number as your primary reference to minimize misfits and ensure continued electrical safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426096205986,"sku":"QOB120EPD2100","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qob120epd2100-circuit-breaker-20a-1-pole-120v-772.webp?v=1789510158","url":"https:\/\/www.ampstate.com\/products\/square-d-qob120epd2100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}