Jiangsu Acrel Electrical Manufacturing Co., LTD.
SAFE SMART GREEN
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Technical parameter:
| Project | Performance parameter | ||
| Specification | 3 phase 3wires, 3 phase 4wires | ||
| Measurement | Voltage | Reference voltage | 3 |
| Consumption | <10VA(Single phase) | ||
| Impedance | >2MΩ | ||
| Accuracy class | Error±0.2% | ||
| Current | Input current | 3×1(6)A, 3×10(80)A | |
| Consumption | <1VA Single phase rated current | ||
| Accuracy class | Error±0.2% | ||
| Power | Active, reactive, apparent power, error±0.5% | ||
| Frequency | 45~65Hz, Error±0.2% | ||
| Metering | Energy | Active energy(Accuracy class: 0.5) reactive energy(Accuracy class:2) | |
| Clock | ≤0.5s/d | ||
| Digitsignal | Energy pulse output | 1 active photocoupler output | |
| Pulse | Width of pulse | 80±20ms | |
| Pulse constant | 400imp/kWh, 10000imp/kWh(Correspond with the basic current) | ||
| Communication | Interface and communication protocol | RS485: Modbus RTU | |
| Range of communication address | ModbusRTU:1~247 | ||
| Environment | Working temperature | -25℃~+55℃ | |
| Relative humidity | ≤95℅(No condensation) | ||
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