Specially designed for reverse osmosis water purification unit.
Application:
Protection & Control of duplex pump, single phase
Main features:
Double pump control
Auto / Manual switch
Push button calibration
Pump stalled protection
Transient surge protection
Open phase protection
Dry running protection without installing float switch or liquid probe in the well
Prompt for uncompleted parameter calibrating
Pump accumulative running time displaying
Pump last five fault record displaying
LCD displays pump running time displaying
RS485 communication interface
Rapid cycle protection
Pump shaft rust protection
Pump motor winding over temperature protection
Three phase unbalance protection
Phase reversal protection
Main specifications:
Rated input voltage: AC220/Sinle phase
Rated frequency: 50Hz/60Hz
Rated output power of pump motor: 0.37-2.2kw