Application: Prepaid&Postpaid
Measurement: 3-phase kWh, kVarh, Active Power, Reactive Power, Current, Voltage and etc
Rated Voltage: 3x380~456Vac L-L & 45~65Hz
Rated Current: 3x10(80)A AC (via direct connect); 3x1(6)A AC (via CTs)
Communication: RS485 (MODBUS-RTU); Infrared
Auto Control: Built-in Holding Relay for Switch On-off Control
Multi-rate/tariff: 4 Tariff Rates and etc
Standard&Certificate: CE
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| Parameter | Description&Value | |
Measurement | kWh&kVarh | Total active kWh (bidirectional --positive and negative in total) |
| Electrical Paratmeters | U (Voltage), I (Current), P (Active Power), Q (Reactive Power),S (Apparent Power), PF (Power Factor), F (Frequency) | |
Function Mode | Prepaid Mode | Meter will shut down the power once the credit balance is below zero. (Data like credit balance is saved in the meter) |
| Postpaid Mode | Meter won't shut down the power once credit balance is below zero. (Can remotely control the meter to shut down the power by using Prepaid System) | |
| Mode Change | Meter can change the mode between prepaid and postpaid by receiving the command from prepaid system | |
Control | Auto-tripping Control | Auto-tripping control is processed by the built-in high-capacity holding relay of the meters to realized on-off control of circuits breaker, also, this type of control will only be triggerred when meter is in Prepaid Mode |
| Remote Control | Remote control will be command by prepaid system. When users give a command of switch on-off to a certain meter, this command will be send to meters through wireless communication and finally meter will shut down or recover the power after receiving the command. This type of control can be done when meter is in Postpaid Mode | |
Multi-rate Multi-Tariff | Optional Function | 4 tariff rates (spike, peak, valley, flat); 14 time intervals by day |
Input Voltage | Rated Voltage | 3x380~456Vac L-L (Voltage signal input will be also served as power supply for meters) |
| Frequency | 45~65Hz | |
| Consumption | <4VA (each phase) | |
Input Current | Rated Current | 3x10(80)A AC (direct connection); 3x1(6)A AC (connected via CTs) |
| Starting Current | 0.004 Ib (direct connection); 0.002 In (connnected via CTs) | |
Accuracy | Measurement | Class 0.5s |
| Clock | ≤0.5s/d | |
Pulse | Pulse Width | 80ms±20ms |
| Pulse Constant | 6400imp/kWh (direct connection); 400imp/kWh (connected via CTs) | |
Communication | RS485 Interface | MODBUS-RTU Protocol |
| Infrared | Used for Meter Reading | |
HMI | LCD Display | 8 bits section LCD display |
| Keypads Programming | Setting of communication, current ratio and etc. | |
Mechanical Feature | Out-line Dimension (L*W*H) | 72mm*88mm*70mm |
| Max Wiring Ability (with Flexible Cable) | 25mm2 | |
Environment | Operating Temperature | -25℃~+55℃ |
| Storage Temperature | -40℃~+70℃ | |
| Humidity | ≤95% (No condensation) | |
| Altitude | ＜2000m | |
ADL300-EY three phase pre-paid meters with intro-control are used for calculating the active energy respectively on the frequency of 50/60 Hz. The built-in magnetic of meter can keep the relay on and off .It also supports remote recharge, load controlling and RS485 communication etc. meet the related technical requirements of electronic power meter in the IEC62053-21, IEC62053-22 standards.
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