Square D QO Series 2-Pole 150A Miniature Circuit Breaker
The Square D QO2150 is a plug-in 2-pole miniature circuit breaker from the QO Series, rated 150 amperes at 120/240 Vac. With a 10kA interrupting rating and common trip design, this breaker provides reliable overcurrent protection for heavy-load circuits in residential and light commercial QO load centers and panelboards.
Key Features
- 150A, 2-pole common trip design
- 120/240 Vac rated voltage
- 10kA interrupting rating
- Plug-in mounting for QO panelboards
- Visi-Trip indicator shows when breaker has tripped
Specifications
- Model: QO2150
- Series: QO
- Amperage: 150A
- Voltage: 120/240 Vac
- Poles: 2
- Trip Type: Common Trip
- Interrupting Rating: 10kA
- Mounting: Plug-In
- Product Type: Miniature Circuit Breaker
Applications
Designed for overcurrent protection of 240V branch circuits and feeder circuits in Square D QO load centers. Typical applications include HVAC equipment, electric water heaters, sub-panels, and other high-amperage 240V loads in residential and light commercial construction.







