-Dry run protection relay as pump motor can run without water.
-Applied measurement method of power factor (PF) of motor by comparison with and without water.
-Can connect with pump 3 phases with multiple sizes. Inside installed with current transformer , easy of use with self tuning button.
-Can connect with level switch , SD timer and off timer installed. for PM-008, after user cuts relay current, can have pump water run.
Operation
Connect PM-007 with pump system. When level switch connects working pump circuit .First installation, we have to Set PM-007 recognize normal power perfector of water pump.By pressing button set ,after water pump has been starting 1 minutes. RED LED will be emitted and off .When preset value captured ,press button set. Then PM-007 will Continuously measure Power of water pump. If water pump is out of water, power factor will decrease from normal measures.PM-007 will cut circuit if out of water more than off delay time that preset value and can restart when press reset.
Primus Dry Run Protection Relay
#Grup produk P111518186
Spesifikasi
| Adjust Off Relay Time (s) | 3 to 60 |
|---|---|
| Adjust Set | For Run Start |
| Display | LED (Green, Yellow, Red) |
| Frequency (Hz) | 50-60 |
| Operating Temperature (°C) | -20 to 50 |
| Power Consumption (VA) | 2.5 |
| Relay Contact Current (A) | 5 |
| Relay Contact Voltage (V) | 250 AC |
| Supply Voltage (V) | 220, 3x380AC ±15% |
| Timer (minute) | 16-60 |
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