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Three-phase prepaid power meter
Three-phase prepaid electronic power meters 3CA-3
 Electronic three-phase power meters 3BA-3 measure active electric power in four-wire circuits, also indicating maximum demand, time, tariff zones, tamper and outages information, and service data. Options include load management features, communication devices, and tamper sensors: case/ terminal open, and reverse current.
3CA-3 meters are equipped with disconnection relay and smart card slot for operation in prepaid and automatic post-paid mode. Refer to brochure for details.
lternatively to the smart card, 3CA-3 meters come with two-way PLC for remote disconnection and load management.
 Downloads technical description 3CA-3
Accuracy class |
1,0 |
Voltage |
3 х 220/380 V |
Rated (maximum) current |
5(50) А, 10(50) А, 10(100) А, 20(100) А |
Tariffs |
4 tariffs, hourly intervals, 4 seasons , weekends and unlimited holidays, daylight savings time |
Operating temperature |
-20…+60 C |
Power loss |
below 2W |
Frequency |
50 Hz +/-5% |
Current sensor resistance |
0,0005 Ohm |
Clock accuracy |
Better than 0.5sec daily |
Self-test |
Optical port, RS-485, PLC, LCD, memory, clock, circuits |
Optical port transmission speed |
300…9600 baud |
Transmission RS-485, PLC speed |
9600 baud, 19200 baud |
Data security |
Password, hardware security, encryption |
Standard warranty |
3 years |
Extended warranty |
8 years |
Recalibration period |
16 years |
Lifetime |
30 years |
Case |
IP 54 |
Meter overall dimensions |
315 х 170 х 70 mm |
Overall dimensions including packing |
330 х 200 х 100 mm |
Meter weight |
Below 1 kg |
The terminals of updating
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