Description

Applications
Power distribution automation, Intelligent electric switchgear, Industry automation, Building automation, Energy management systems, etc.
Wiring
3P4W/3P3W (CT and PT operated)
Voltage
*3.5V L-N, **0V L-L
Voltage Range       *0％～**0ï¼…Un
Current
Rated current In     1A, 5A           
Current Range       *5％～**0ï¼…In
Frequency
Reference frequency fn    *0 to *0 Hz 
Power Factor    
0.6 Lag***0.6 Lead
Phase Angle   
1% of range (****0°)
Active Power    ****0%
Reactive Power   ****0%
Apparent Power   ****0%
Active Energy    ****0%
Reactive Energy   ****0%
Apparent Energy   ****0%
Measurement Accuracy
Voltage           +/- 0.5 %
Current           +/- 0.5 %
Frequency        0.*5% of Mid Frequency
Power Factor      1% of Unity
Phase Angle       1% of Range(****0°)
Active Power        +/- 0.5 %
Reactive Power     +/- 0.5 %
Active Energy       +/- 0.5 %
Reactive Energy     +/- 0.5 %
Apparent Energy     +/- 0.5 %
VA Burden
< 0.*0 VA/phase
Data Acquisition Capacity
*7 Measurands
Data to be acquired
*4 Measurands only
Line Volts (3 Measurands)
Line Currents (3 Measurands)
MW
MVAr
MWh (Import)
MVArh (Import)
MWh (Export)
MVArh (Export)
PF (Ave)
Frequency
Display
3 Line 4 Digit LCD/LED Display
Password
4 Digit (***0 to ***9)
Key Pad
To be provided for entering at site the Pass Word,
CT/PT Ratio, Integration Time, Reset time, Communication parameter Setting like Baud Rate, Address, Parity, etc.
Demand Integration Time      *5 Mins
Resets for
Max Demand and Active Energy registers
Pulse Output Durations  *0 m secs.
Communication Baud Rate  
*9.2 kBps in RS***5
RS***5 Parity
Odd/Even with No. 1 or 2 Stop Bits
Standard Compliant
ModBus(RTU)
IEC*****8 Electrical quantities to Analog/digital signals
IEC*****7 AC Static Watt-hour meter for 0.5 A/C
IEC*******1 International safety standards
IEC*****9 IP for Water and dust
IEC ****6 EMC compatibility
IEC*********3 Immunity
Dielectric Withstand
2.2 kV RMS at *0 Hz withstand for 1 min
Overload Voltage Withstand Over Current withstand Climatic conditions
2 X Rated voltage for 1 sec *0 X Rated current for 1 sec.
Over Load Withstand
**0 % Continuous
Configuration
Instrument settings remotely via MODBUS (Rs***5) through PC
Memory
The unit memorizes the last energy count in case of Power failure. Every *0 secs, the unit updates the energy count in non-volatile memory. Similarly, the unit updates Maxima and Minima values, every *0 secs.
Up Date Time
**0 m secs. Display
Enclosure
Body: Poly Carbonate case & ABS base
Terminals: Shrouded screw clamps
Mounting
On DIN Rails
Wiring
Current: 4 Sq mm and Voltage: 2.5 sq. mm
Operating Temp.
Specified operating range  **0℃～**5℃
Relative humidity  0 to *0% non-condensing
Warm up time
3 minutes minimum
Shock
*5 g in 3 planes
Vibration
*0 to *5 Hz, 0.*5 mm amplitude