Overview
The Square D QO2110VH is a 110A, 2-pole QO miniature circuit breaker with plug-in mounting, rated for 120/240V AC and a 22kA interrupting capacity. Its thermal-magnetic mechanism provides overload and short-circuit protection.
Key Features
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Protection: Thermal-magnetic overcurrent protection with a common-trip, two-pole configuration.
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Installation: Plug-in mounting uses two panel spaces; box-lug terminals accept 4 AWG through 300 kcmil copper or aluminum conductors.
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Compatibility: Designed for compatible Square D QO load centers and listed NQ/NQOD panelboard applications. Verify the equipment label before installation.
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Performance: 110A rating with 22kA interruption at 120/240V AC and a visible trip indicator for faster fault identification.
Specifications
- Manufacturer part number: QO2110VH
- Brand and family: Square D QO
- Current: 110A
- Poles: 2
- Voltage: 120/240V AC
- Interrupting capacity: 22kA at 120/240V AC, 50/60 Hz
- Mounting: Plug-in
- Terminals: Box lugs
- Conductor range: 4 AWG–300 kcmil copper or aluminum
- Ambient rating: 40°C (104°F)
- Certifications and ratings: UL Listed, CSA certified, HACR rated
Common Applications
Overcurrent protection for compatible residential and light-commercial QO distribution equipment, including 110A feeder circuits and appropriately rated HVAC equipment. Follow the panel label, conductor requirements, and manufacturer installation instructions.
