Overview
The MPM320 is an economical model which has 3 bright LED, compact design.
It performs both single phase and three phase measurements and has 6 digital inputs and 2 relay outputs, RS-485 communication port.
It measures 38 parameters via communication and displays 12 electrical parameters on the front windows.

Features
ㆍPower supply : 85 to 250 Vac(50/60Hz) / 110 to 300Vdc
ㆍConsumption : approx, 5VA
ㆍFrequency : 45Hz to 65Hz
ㆍVoltage Input : up to 470Vdc without PT
- 270Vac(L-n), 470Vac(L-L)
- Burden : 0.02VA
ㆍCurrunt input : Possible to use various wiring connections such as 2CT,3CT.
- Rated current : 5A, Tht maximum current : 10A
- Burden : 0.15VA
ㆍDI/DO : The input for switch gear Panel and Relay output for CB control.
- Insulation : Photo Coupler isolation
- DI : 6point(Option)-12V Source Input
- DO : 2point Relay Output(Option)
- Rated load : 250Vdc, 5A
ㆍCommunication : RS-485 Communication Standard.
- Protocol : Modbus RTU
- Communication mode : RS-485, Half duplex, 2Wire
- Baudrate : 4800, 9600, 19200, 38400 bps
- Multi drop mode : Up to 99 instruments
ㆍMethod of lsolation : The MPM320 is adapted Galvanic lsolation method and EMI Filter. (Voltage Input and Current Input)
ㆍEnvironmental
- Temp : -20℃ to 60℃(-4℉ to 140℉)
- Humidity : 50 to 90%(non-condensing)
ㆍDimension : 144W x 144H x 138D
ㆍCutting Size : Square 138W x 138H
ㆍOrdering

Specification
| Shape of case |
Unit |
Range |
Accuracy |
Display |
| Window |
Comm |
| Voltage(3 Phase) |
V/KV |
0V~999KV |
0.5% FS. |
0 |
0 |
| Current(3 Phase) |
A/KA |
0~30,000A |
0.5% FS. |
0 |
0 |
| Frequency |
Hz |
45.0~65.0 |
0.5% FS. |
0 |
0 |
| Total Power Factor |
|
'-0.1~1~0.1 |
1.0% FS. |
0 |
0 |
| 3 Phase Power Factor |
|
'-0.1~1~0.1 |
1.0% FS. |
|
0 |
| Total Active Power |
kW/MW |
0~9999MW |
1.0% FS. |
0 |
0 |
| Total Active Power Demand |
kW/MW |
0~9999MW |
1.0% FS. |
0 |
0 |
| 3 Phase Active Power |
kW/MW |
0~9999MW |
1.0% FS. |
|
0 |
| Total Reactive Power |
kVar/Mvar |
0~9999Mvar |
1.0% FS. |
0 |
0 |
| 3 Phase Reactive Power |
kVar/Mvar |
0~9999Mvar |
1.0% FS. |
|
0 |
| Total Apparent Power |
kVA/MVA |
0~9999MVA |
1.0% FS. |
0 |
0 |
| 3 Phase Apparent Power |
kVA/MVA |
0~9999MVA |
1.0% FS. |
|
0 |
| Active Energy |
kWh/MWh |
0~9999MWh |
1.0% FS. |
0 |
0 |