- 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