- Application:Protection and control of deep well pumps / submersible pumps / sewage pumps / pipe booster pumps / multistage pumps / centrifugal pumps, etc. Control of liquid level, pressure and float of underground sewage and water supply of high-rise buildings.
- Main features:Automatic and manual two working modes. The controller has loss phase, Blocking, overload, empty load, over voltage, under voltage, Three-phase unbalanced function protection.
- Technical Parameters:Rated power: 0.75-4KW 5.5-7.5KW 11KW 15KW
Rated voltage: AC3P 380V / 50Hz
Dry-run action time: 6 seconds (3-30 seconds adjustable)
Dry-run recovery time: 30 minutes (1-300 minutes adjustable)
Dry-run current setting: automatic setting (0-18A adjustable)
Rated current setting: automatic setting (adjustable)
Overload action time: 3 seconds-3 minutes (inverse time limit feature-the greater the overcurrent, the shorter the time)
Overload fault recovery time: 30 minutes (1-45 minutes adjustable)
Blocking current setting: automatic setting (adjustable)
Blocking action time: <3 seconds
Undervoltage setting: 280V (200-360V adjustable)
Undervoltage action time: <5 seconds
Overvoltage setting: 460V (400-550V adjustable)
Overpressure action time: <5 seconds Phase loss action time: <3 seconds
Overvoltage and undervoltage fault recovery time: 7 minutes
Three-phase unevenness setting: 50% (10-50% adjustable)
Three-phase uneven action time: <3 seconds
Liquid level transmission distance: 1KM
Protection level: IP54
| 4KW | P201901 |
| 7.5KW | P201902 |
| 11KW | P201903 |
| 15KW | P201904 |
