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Multi-Circuit AC Metering
Up to 6 Three-Phase Circuits
or 18 Single-Phase Circuits
Comprehensive Measurement
Voltage, Current, Power & Power Factor
Four-Quadrant Energy Metering
Communication & I/O
RS485 (Modbus-RTU)
6 Digital Inputs & 2 Relay Outputs
Voltage Measurement: Phase Voltage and Line Voltage
Current Measurement: Three-Phase Current and Zero-Sequence Current
Power Measurement: Active Power, Reactive Power and Apparent Power
Power Factor: Phase Power Factor and Total Power Factor
Frequency: AC Frequency Measurement
Energy Metering: Forward & Reverse Active Energy, Four-Quadrant Reactive Energy
Multi-Circuit Metering: Up to 6 Three-Phase Circuits or 18 Single-Phase Circuits
Digital Input: 6 Channels
(4 Passive Inputs + 2 Active AC 220V Inputs)
Relay Output: 2 Channels
Temperature Measurement: 2-Channel NTC Temperature Measurement
(AMC300L-6E3)
Communication: RS485 (Modbus-RTU)
Alarm: Overvoltage, Overcurrent, Phase Failure and DI Linkage Alarm
Data Storage: Historical Energy Data and Alarm Information
Installation: Panel Mounted
Rated Voltage: AC 3×220V/380V
Rated Current: AC 100A
(External Current Transformer)
Frequency: 45–65Hz
Voltage Accuracy: Class 0.5
Current Accuracy: Class 0.5
Active Energy Accuracy: Class 1
Auxiliary Power Supply: AC/DC 85–265V
Communication: RS485 (Modbus-RTU)
Baud Rate: 1200–38400 bps
Digital Input: 4 Passive + 2 Active Inputs
Relay Output: 2 Channels, AC 250V/3A or DC 30V/3A
Temperature Measurement: -20°C to +100°C, ±2°C
(AMC300L-6E3)
Working Temperature: -20°C to +60°C
Humidity: ≤95% RH, No Condensation
Altitude: ≤2500m
Installation: Panel Mounted, 88 × 88mm Cutout
Multi-Circuit AC Metering Up to 6 Three-Phase Circuits or 18 Single-Phase Circuits
Output
RS485 (Modbus-RTU)
Modbus-RTU into your EMS / SCADA
System voltage
AC 3×220V/380V
Voltage accuracy
Class 0.5
Energy accuracy
Class 1



| Parameter | Value |
|---|---|
| Voltage Measurement | Phase Voltage and Line Voltage |
| Current Measurement | Three-Phase Current and Zero-Sequence Current |
| Power measurement | Active Power, Reactive Power and Apparent Power |
| Power Factor | Phase Power Factor and Total Power Factor |
| Frequency | AC Frequency Measurement |
| Energy metering | Forward & Reverse Active Energy, Four-Quadrant Reactive Energy |
| Multi-circuit | Up to 6 Three-Phase Circuits or 18 Single-Phase Circuits Digital Input: 6 Channels (4 Passive Inputs + 2 Active AC 220V Inputs) Relay Output: 2 Channels |
| Temperature Measurement | 2-Channel NTC Temperature Measurement (AMC300L-6E3) |
| Alarm | Overvoltage, Overcurrent, Phase Failure and DI Linkage Alarm |
| Data Storage | Historical Energy Data and Alarm Information |
| Installation | Panel Mounted |
| Rated Current | AC 100A (External Current Transformer) |
| Current accuracy | Class 0.5 |
| Auxiliary power | AC/DC 85–265V |
| Baud rate | 1200–38400 bps Digital Input: 4 Passive + 2 Active Inputs Relay Output: 2 Channels, AC 250V/3A or DC 30V/3A |
| Working temp. | -20°C to +60°C |
| Humidity | ≤95% RH, No Condensation |
| Altitude | ≤2500m |
Standard 35 mm DIN rail mounting. Need a wiring diagram or a Modbus register list for your EMS? Ask us — we reply within one working day.