{"product_id":"qo120-1021-square-d-20a-1-pole-120240v-thermal-magnetic-miniature-circuit-breaker","title":"QO120-1021 | Square D 20A 1-Pole 120\/240V Thermal Magnetic Miniature Circuit Breaker","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Square D QO120-1021 is a 1-pole thermal magnetic miniature circuit breaker engineered for reliable overcurrent and short-circuit protection. Rated at 20 amps and 120\/240VAC, it supports both AC and DC applications up to 48VDC. Featuring a plug-in connection and quick-make, quick-break toggle mechanism, this breaker is ideal for residential, commercial, and light industrial electrical distribution systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCircuit Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQO120-1021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMiniature Circuit Breakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240 V AC, 48 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kAIC @ 120\/240 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong-Time and Instantaneous (LI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Size Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14–8 AWG Copper\/Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaddle Toggle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Listed, CSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 x 1.5 x 2.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.639 lb (0.29 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-sheets-root=\"1\"\u003eQO120-1021\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"\" data-end=\"1074\" data-start=\"590\"\u003eThe QO120-1021 is part of the Square D QO Series, known for its durable construction and superior protection performance. Designed for use with QO load centers and NQ panelboards, it ensures compatibility and easy installation in standard power distribution systems. The breaker features long-time and instantaneous trip functions for dependable overload and fault protection, along with VisiTrip indication, which provides a clear visual cue when the breaker has tripped. With UL and CSA certifications, it meets the highest standards for safety and performance in electrical distribution environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-end=\"1102\" data-start=\"1085\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThermal-Magnetic Protection: Dual-function protection against overloads and short circuits.\u003c\/li\u003e\n\u003cli\u003eRated Current: 20A continuous current capacity for reliable single-pole circuit protection.\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: Operates at 120\/240VAC and 48VDC for versatile application use.\u003c\/li\u003e\n\u003cli\u003eInterrupting Capacity: 10kAIC at 120\/240V ensures safe fault interruption capability.\u003c\/li\u003e\n\u003cli\u003eVisiTrip Indicator: Provides a visible red indicator window when the breaker has tripped.\u003c\/li\u003e\n\u003cli\u003eMounting Style: Plug-in design enables quick and secure installation.\u003c\/li\u003e\n\u003cli\u003eWire Compatibility: Accepts 14–8 AWG copper or aluminum conductors.\u003c\/li\u003e\n\u003cli\u003eCertifications: UL Listed and CSA Certified for compliance with North American safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe QO120-1021 delivers the reliability and precision required for consistent power protection in residential and commercial electrical systems.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":49105096147200,"sku":"QO120-1021","price":402.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/SchneiderElectric-TelemecaniqueSensors_QO1201021.jpg?v=1785540097","url":"https:\/\/alotechparts.com\/products\/qo120-1021-square-d-20a-1-pole-120240v-thermal-magnetic-miniature-circuit-breaker","provider":"Alo Tech Solutions","version":"1.0","type":"link"}