Square D PowerPact QBA Series 2-Pole 125A Circuit Breaker
The Square D QBA221251 is a PowerPact Q-Frame molded case circuit breaker with a 2-pole configuration, 125A rating, and 240V ac voltage. I-Line mounting design allows for quick installation and removal from PowerPact I-Line panelboards. Certified to UL, CSA, NEMA, and NOM-003-SCFI-2000 standards for use in distribution applications.
Key Features
- 2-pole, 125A, 240V ac rating
- I-Line mounting for PowerPact panelboards
- Q-Frame construction
- UL, CSA, NEMA, and NOM-003-SCFI-2000 listed
Specifications
- Model: QBA221251
- Series: PowerPact QBA
- Amperage: 125A
- Voltage: 240V ac
- Poles: 2
- Frame: Q-Frame
- Mounting: I-Line
- Application: Distribution
- Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
- Dimensions: 6.47 H x 4.5 W x 3.93 D in.
Applications
Designed for use in Square D PowerPact I-Line panelboards and switchboards for main and branch circuit overcurrent protection in commercial and industrial power distribution systems. The I-Line mounting design provides a reliable bus connection and allows breakers to be installed and removed with the panel energized when using appropriate safety procedures.










