16
4.Installation
1.3 Wiring and Installing
L1 L2 L3 N
Ia* Ia Ib* Ib Ic* Ic
L1
L2
L3
N
Figure 4.15 Three phase four lines connect via CT
1.2 Meter Specification
Current
Reference voltage
Input current
Input voltage fluctuation
Consumption
Consumption
Accuracy class
Impedance
Accuracy class
3-110V, 3-400V, 3-480V, 3-66/115V, 3-230/400V, 3-277/480V
3-1(6)A
0-120%
<1VA(Single phase rated current)
<10VA(Single phase)
>2MΩ
Error±0.2%
Error±0.2%
3 phase 3 wires, 3 phase 4 wires
Power
Frequency
Energy
Energy pulse output
Switching input
Width of pulse
Pulse constant
Interface and communication
Range of communication address
Baud rate
Working temperature
Relative humidity
Altitude
Installation environment
Protection Rating
Active, reactive, apparent power, error±0.5℅
45~65Hz, error±0.2%
Active energy(Accuracy class:0.5, 1), reactive energy(Accuracy class 2)
1 active optocoupler output, Resistive load(Voltage is not more than 24V,
current is not more than 5mA)
1 optocoupler input,Maximum allowed voltage: ~ 220V, OVC III
80±20ms
400imp/kWh
RS485Modbus RTU
Modbus RTU:1~ 247;
1200bps~19200bps
-25℃~+55℃
≤95℅(No condensation)
≤ 2000m
Indoor use
Nema 4X
Voltage
Specification
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