Scope of Application
The QKD7-125 Load Switch is primarily used as a switch in terminal combination electrical appliances. It is suitable for AC 50Hz power distribution and control circuits with a rated insulation voltage of 690V and a rated voltage of 400V or below. It can also be used to control motors, low-power electrical appliances, and lighting. It is widely applied in industrial and mining enterprises, high-rise buildings, commercial and household settings, among other locations.
The product complies with the standard: GB/T 14048.3.
Technical Parameters
- Rated Operational Voltage: AC 230V/400V (Single Pole), AC 400V (Multi-Pole)
- Rated Short-Time Withstand Current: 1.5kA, Duration 1s
- Rated Short-Circuit Making Capacity: 2.5kA, Duration 1s
- Operating Performance: Mechanical Endurance – 8500 cycles; Electrical Endurance – 1500 cycles
- Rated Insulation Voltage (Ui): 690V
- Rated Impulse Withstand Voltage (Uimp): 4kV
- Utilization Category: AC-22A