PM-021 N-3 is a Twin Pump Relay for controlling two pumps in Single phase and three phase.
Choice of Water Supply and Drainage (Charging and Discharging)
Water Well and Water Tank can be checked for use.
Level Sensor Electrode, Float Switch, Pressure Switch
Latching Function with Memory to switch between two pumps when Electrical drop
DIP Switch can be disconnected from the system. In case that one of the pumps is broken.
Booster Function for two pumps running simultaneously. In the case of very low water levels.
Alarm output when overflow or abnormal voltage.
Status LEDs for Output, Level and Alarm
Water Well and Water Tank Level Sensor Fault Indicators
Over and Under Voltage Protection. The output relay will stop if the voltage exceeds the set value
1 Phase System, Over and Under Voltage Range 80 – 120 % of Nominal Voltage
3 Phase System, Over and Under Voltage, Phase Sequence, Phase Loss Range 80 – 120 % Nominal Voltage

PM-021N-3

Product spacification