宽度：67.5 mm
负载电压可达：3AC 460 V
适用于三相电动机，400 V时功率可达：18.5 kW... more
参数
| Widths: | 67,5 mm |
| Load voltage up to: | 3AC 460 V |
| For three-phase motors, 400 V up to: | 18,5 kW |
| Auxiliary voltage required: | Yes |
| Signalling output: | Yes |
| Extra functions: | Temperature monitoring, Mains monitoring |
| Type: | PF 9029 |
优势
- For starting current limitation in heat pumps to provide stable mains conditions
- Only one small device 67.5 mm for softstart, motor protection, voltage- and phase sequence monitoring
- Soft start and minimized staring current
- Extended service life of AC - motors and mechanical drive system
- Motor power up to 18,5 kW
-
Short ramp up time
25 A: < 200 ms
36 A: < 300 ms - Energy saving by bridging of the semiconductors after softstart
- Symmetrical staring current
特征
- According to IEC/EN 60947-4-2
- 3-phase controlled with integrated bypass relays
- Phase sequence monitoring
- Undervoltage monitoring
- Overvoltage monitoring
- Blocked motor monitoring in bypass mode
- Integrated motor protection to class 10 acc. to IEC/EN 60947-4-2
- Starting current limitation
- Thyristor monitoring
- Detection of missing load
- Automatic frequency detection of supply voltage
- Temperature monitoring of power semiconductors