● Measurement: 3-phase AC kWh, kVarh, I, U, kW, kVar, Hz, cosφ and etc
● Accuracy: 1% (kWh); 0.5% (Active Power)
● Rated Voltage: 400V or 660V AC L-L (direct connect); 100V AC L-L (via PTs)
● Rated Current: 5A AC or 1A AC (via CTs)
● Power Supply: 85~265V AC/DC; 24V or 48V DC
● Communication: RS485 (MODBUS-RTU)
● SOE Funciton: Event&Demand&Extremum Record
● Harmonic Measurement: 2~31st and total Harmonic
● Analog Output: 4~20mA DC or 1~5V DC
● DI/DO Function: 2/4-channel DI&2-channel DO
● Standard&Certificate: CE Certificates
● 400V or 660V AC L-L
● Analog Output
● DI/DO Function
Function Overview | Function | Description&Value | |
Measurement | Three-phase AC kWh, kVarh, Active Power, Reactive Power, Forward&Reverse Power, Current, Voltage, Zero Sequence Voltage, Zero sequence Current, Voltage-phase Angle, Voltage&Current Unbalance, Power Factor, Harmonic, Frequency | ||
Display | LCD display | ||
Communication (Optional) | RS485, Modbus-RTU protocol;(1 start bit, 8 data bit, 1 stop bit, no parity) Baud Rate 1200~38400 bps etc. | ||
Alarm Output (Optional) | 1 channel passive relay, contact capacity 3A/30VDC, 3A/250VAC, Used for high, low, unbalance alarm etc. | ||
Analog Output (Optional) | 1~5V DC or 4~20mA DC | ||
DI/DO Switching (Optional) | DI (Digital input): 2-channel or 4-channel dry contact digital input with built in power supply DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30V DC, 3A/250V AC | ||
Main Parameters | Parameter | Description&Value | |
Input | Rated Voltage | AC Voltage Input: 400V or 660V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs) | |
Rated Current | AC Current Input: 5A AC or 1A AC (via -/5A AC or -/1A AC CTs) | ||
Overload | Current&Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second | ||
Frequency | 45~65Hz | ||
Power Consumption | Power consumption of each current&voltage input circuit is less than 0.5VA | ||
Measuring Accuracy | Voltage | 0.20% | |
Current | 0.20% | ||
Active Power | 0.50% | ||
Reactive Power | 1.00% | ||
kWh | 0.50% | ||
kVarh | 1.00% | ||
Frequency | ±0.05Hz | ||
Harmonic | ±1% | ||
Power Supply | Voltage Range | 85-265V AC/DC; 24V or 48V DC (±20%) | |
Power Consumption | ≤10VA | ||
Insulation resistance | ≥ 100MΩ | ||
Power frequency withstand voltage | Between Power supply/Switching Output/Current Input/voltage Input and Transmitting/Communication/Pulse Output/switching input AC 2 kV 1min; Between Power supply、switching output、Current Input、voltage Input AC 2 kV 1min; Between Transmitting、Communication、Pulse Output、switching input AC 1kV 1 min; | ||
Environment | Condition | Description&Value | |
Temperature | Operation: -25℃~+65℃; Storage: -40°C ~+80°C | ||
Humidity | ≤95%RH, no condensation, without corrosive gas | ||
Altitude | ≤ 2500m |