Square D Multi 9 C60 Miniature Circuit Breaker
The Square D M9F43115 is part of the Multi 9 C60 family of miniature circuit breakers, engineered for reliable branch circuit protection in commercial and industrial applications. The D-Curve characteristic is suited for circuits with high inrush currents, and the tunnel terminal connection provides flexible wiring from either end.
Specifications
- Series: Multi 9 C60
- Poles: 1
- Ampere Rating: 15A
- Voltage: 277V
- Breaking Capacity: 10 kA
- Curve: D
- Connection: Tunnel Terminal (line and load)
Key Features
- D-Curve for circuits with high inrush loads such as transformers and motors
- Tunnel terminal connection on both line and load sides for installation flexibility
- 10 kA breaking capacity for demanding commercial and industrial circuits
- Compact Multi 9 form factor for high-density panel installations
Applications
Suitable for branch circuit protection in commercial buildings, industrial control panels, lighting circuits, and motor control applications. The D-Curve makes it particularly appropriate for circuits with moderate to high inrush characteristics.



