{"product_id":"square-d-qo220swn1021","title":"Square D QO220SWN1021 20A 2-Pole 120 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO220SWN1021 20A 2-Pole 120V Circuit Breaker—a UL-listed safety device built to protect your wiring and devices in Square D QO panels. This 20-amp breaker (Part Number QO220SWN1021) delivers reliable overcurrent protection, giving you confidence that faults won’t overheat conductors or damage costly appliances.\u003c\/p\u003e \u003cp\u003eEngineered for the QO family, this two-pole breaker interrupts both hot legs simultaneously, ensuring safe handling of 240V loads and supporting multi-wire branch circuits where applicable. With a 120V rating, it covers a broad range of residential and light commercial applications, providing consistent performance when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCurrent rating: 20 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage rating: 120 V\u003c\/li\u003e \u003cli\u003ePart number: QO220SWN1021\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eSeries: QO (Square D QO family) for seamless panel compatibility\u003c\/li\u003e \u003cli\u003eProtection type: dependable thermal-magnetic interruption for quick fault clearance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: replacing a failed breaker with the correct QO series unit ensures proper protection and easier maintenance. The two-pole design is essential for safely protecting circuits that span two hot legs, reducing the risk of dangerous imbalances and electrical fires.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or tripped breaker in Square D QO panels in homes or light businesses.\u003c\/li\u003e \u003cli\u003eSupporting 240V-capable loads that require a 20A, two-pole protection device.\u003c\/li\u003e \u003cli\u003eUpgrading older electrical panels to a recognized, code-compliant Square D solution for consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTurn off power at the main panel before replacing a breaker and verify the circuit is de-energized.\u003c\/li\u003e \u003cli\u003eKeep the part number QO220SWN1021 on hand for future replacements and warranty considerations.\u003c\/li\u003e \u003cli\u003eConsult local electrical codes and, when in doubt, work with a licensed electrician to ensure correct sizing and safe installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423283237026,"sku":"QO220SWN1021","price":890.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo220swn1021-20a-2-pole-120-v-circuit-breaker-329.webp?v=1789291690","url":"https:\/\/www.ampstate.com\/products\/square-d-qo220swn1021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}