QO21001021 - Square D QO Series 100 Amp 2 Pole 120/240VAC Plug-In Miniature Circuit Breaker, 10kA Interrupt, Thermal Magnetic Trip, UL/CSA Listed, Shunt Trip Option
QO21001021
QO21001021 is a Square D QO Series 2-pole miniature circuit breaker designed for reliable overcurrent protection in residential and light commercial applications.
This thermal magnetic circuit breaker features a 100 Amp current rating, 120/240VAC voltage rating, and a 10kA interrupting capacity. It offers plug-in mounting for quick installation, common trip functionality, and is compatible with QO load centers and NQOD panelboards. The unit is UL and CSA certified, includes a VISI-TRIP indicator, and supports both copper and aluminum wiring.
Key Specifications
- Amperage: 100A
- Voltage: 120/240VAC
- Poles: 2
- Mounting Type: Plug-In
- Interrupt Rating: 10kA at 120/240VAC
- Series/Frame: QO
- Trip Unit: Thermal Magnetic, Common Trip
- Certifications: UL, CSA
- Connection: Box Lugs
- Wire Range: AWG 4 to 2/0 (Copper or Aluminum)
- Shunt Trip: Optional (120/208/240VAC)
- Temperature Rating: 40°C
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Specifications
- Part Number: QO21001021
- Manufacturer : Schneider Electric
- Brand : Square D
- Category : Circuit Breaker
- Item Subcategory : Molded Case
- Family : QO Series
- Type : QO
- Voltage : 120/240
- Amperage : 100
- Phase : 1
- Poles : 2
- AIC rating : 10kA@240V
- Connection : Plug-In
- Functions : LI - Long-Time and Instantaneous Trip
- Terminal Connection : Lug
- Frame Size : 100A/QO
- Temp Rating : -13–158 °F (-25–70 °C)
- MCM Size : Min. Wire Size 8 AWG Max. Wire Size 2 AWG
- Breaker Type : Shunt Trip
- Protection : Thermal Magnetic
Product Data
- UPC : 785901030539
- GTIN : 00785901030539
- Country of Origin : Mexico
- Dimensions : 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
- Weight : 0.98
- Panel Type : QO Load Centers and NQ Panelboards
- Standards : CSA Certified, UL Listed
- Certification : UL Listed
- Wire Size : AWG 4 to AWG 2/0, Copper or Aluminum
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