Performance Characteristics
1.High precision measurement of three phase voltage,three phase current, active power, reactive power, apparent power, power factor, frequency of electric parameters
2.Forward and reverse active or reactive energy measurement
3.Division of electric energy metering, time-sharing power timing meter reading
4.Measurement of single phase voltage, single phase current total harmonic distortion (THD), 2-31 odd harmonic component
5.Provide the digital tube display, local data query
6.Menu button intuitive, simple operation
7.Programmable CT/PT ratio.
8.Provide multiple circuit leakage current monitoring
9.provide multiple loop control nodes, can be used for the alarm, trip control
10.Support for fire control, remote cut off the fault circuit
11.Support for RS-485 communication, Modubus-RTU protocol
12.Support for switching input, output, analog quantity transmitting output
13.Convenient installation, wiring is simple, small engineering quantity
14.A wide range of AC/DC power supply: AC/DC 85-265V
15.To be completed by SCADA, PLC in a variety of communications software networking
Technical Index
Accuracy of measurement
♦Voltage level 0.5
♦Current level 0.5
♦Active power 0.5
♦Reactive power level 0.5
♦Power factor 0.5
♦Frequency ±0.02Hz
♦Active electric energy:Class 0.5s or Class 0.2s
♦Reactive energy:Class 1 or Class 2
Signal input
♦Connection mode:Single phase two wires
♦Rated voltage:AC 0-450V
♦Rated current AC1A,AC5A,
♦Overload voltage:1.2 times ( Continued ), 2 times / second ( instantaneous )
♦Power consumption voltage: <1VA/ phase,current:<0.4VA/phase
♦Impedance >300KΩ， current: <20mΩ
♦The frequency of 45~65Hz
Auxiliary power supply
♦Working range:AC 220V
♦Power consumption: <4VA
Function module
♦Communication interface 1 way RS-485 communication, Modbus-RTU protocol
♦Baud rate: 1200~9600bps, the default 2400bps
♦Switch input:4ways
♦Switch output: 3 ways(, capacity: AC 250V/5A, DC 30V/5A)
♦Transmission output:3 ways( analog output: 0/4~20mA or 0~5/10V)
♦Electric energy pulse output: 2 ways
♦Constant:8000imp/KWh(Kvarh)
Section of Specification
|
Function Model NO. |
measurement |
Extended function(optional) |
Display |
Hole size (mm) |
|||||||
|
Three phase all-parameter measuring |
Multi- rate, |
Harmonic measuring |
switching input |
switching output |
Analog output |
Communication interface |
LED |
LCD |
|||
|
RH-3D2 |
√
|
- |
- |
4 |
4 |
4 |
2 |
√ |
- |
111*111
|
|
|
RH-3D2Y |
√
|
- |
- |
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3FD2Y |
√
|
√
|
- |
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3HD2Y |
√
|
- |
√
|
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3FHD2Y |
√
|
√
|
√
|
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3D3 |
√
|
- |
- |
4 |
4 |
4 |
2 |
√ |
- |
92*92
|
|
|
RH-3D3Y |
√
|
- |
- |
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3FD3Y |
√
|
√
|
- |
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3HD3Y |
√
|
- |
√
|
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3FHD3Y |
√
|
√
|
√
|
4 |
4 |
4 |
2 |
- |
√ |
||
|
RH-3D7 |
√
|
- |
- |
- |
- |
- |
1 |
√ |
- |
||
|
RH-3D7Y |
√
|
- |
- |
- |
- |
- |
1 |
- |
√ |
||
|
RH-3FD7Y |
√
|
√
|
- |
|
|
|
1 |
- |
√ |
||
|
RH-3HD7Y |
√
|
- |
√
|
|
|
|
1 |
- |
√ |
||
|
RH-3FHD7Y |
√
|
√
|
√
|
|
|
|
1 |
- |
√ |
||
|
RH-3D6 |
√
|
- |
- |
- |
- |
- |
1 |
√ |
- |
68*68 |
|
|
RH-3D6Y |
√
|
- |
- |
- |
- |
- |
1 |
- |
√ |
||
|
RH-3FD6Y |
√
|
√
|
- |
|
|
|
1 |
- |
√ |
||
|
RH-3HD6Y |
√
|
- |
√
|
|
|
|
1 |
- |
√ |
||
|
RH-3FHD6Y |
√
|
√
|
√
|
|
|
|
1 |
- |
√ |
||
|
RH-3D9 |
√
|
- |
- |
|
|
|
|
√ |
- |
135*135 |
|
|
RH-3D9Y |
√
|
- |
- |
|
|
|
|
- |
√ |
||
|
RH-3FD9Y |
√
|
√
|
- |
|
|
|
|
- |
√ |
||
|
RH-3HD9Y |
√
|
- |
√
|
|
|
|
|
- |
√ |
||
|
RH-3FHD9Y |
√
|
√
|
√
|
|
|
|
|
- |
√ |
||
|
RH-3D8 |
√
|
- |
- |
- |
- |
- |
1 |
√ |
- |
45*45 |
|
|
|
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