KPM312 OEM Wireless Din Rail WiFi 4G LoRa Multi Channel Energy Meter
KPM312 WiFi 4G Lora Multi Channel Energy Meter adopts DIN 35MM rail type installation structure and LCD display. It integrates 4 channels three-phase electric parameter measurement.
KPM312 default communication is Modbus-RTU by RS485. WiFi, 4G, Lora communication are optional. It can also expand 4-way digital input and 4-way relay output, 4-way temperature measurement for each circuit.
Features
- Supports single phase and 3 phase multi channel measurement. One meter can be used as max 12 meters.
- DIN Rail Clamp CT type, RJ45 wiring of CTs, easy to plug in and install.
- Optional wireless WIFI / 4G / LORA communication, save gateway costs for data integration.
- Time of Use multi rate energy consumption measuring, can be used for up to 5 rates per day.
- Rich extension functions, including temperature, control, digital signal input and other functions.
Functions of KPM312 Multi Channel Energy Meter
- KPM312 Three Phase Multi Channel Energy Meter
- Multi channel measurement: 4 channel 3 phase loop power parameter measurement
- Communication protocol: Modbus-RTU, DL/T645, MQTT
- Optional function: 4 digital inputs and 4 digital outputs for each channel
- 4 temperature measurement for each channel
- Optional connection: Lora, WiFi, 4G, RS485
- Installation method: DIN rail 35MM three phase energy meter
- Measurement: three phase UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant power, etc.
- High accuracy: U Class 0.2; I Class 0.2; P Class 0.5S.
- Active energy Class 0.5S.
- Reactive energy Class 2.0.
Record function:
- Monthly average power factor and power data for the last three months.
- Demand and maximum and minimum data statics.
- Meter working time, load time statics.
Record function:
- Monthly average power factor and power data for the last three months.
- Demand and maximum and minimum data statics.
- Meter working time, load time statics.
KPM312 OEM Wireless Multi Channel Din Rail WiFi 4G Lora Energy Meter Network Topology
Application Occasion
- Energymanagement system integration
- Old project or wire line modification
- Measured circuit are near or in one cabinet
- Projects with limited space or inconvenient installation
KPM312 Three Phase Multi Channel Energy Meter
KPM312 Three Phase Multi Channel Energy Meter Technical Specification
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Working power source |
Operating Voltage |
85-305 VAC/70-430 VDC |
|
Rated power consumption |
< 3VA |
|
|
Input voltage |
Rated voltage |
3*220VAC |
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Overvoltage capability |
1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10S |
|
|
Rated power consumption |
<0.5VA(per phase) |
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|
Measurement range |
LN：50~260VAC， LL：90~450VAC |
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|
Frequency range |
45~65Hz |
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Input current |
Rated current |
4 channels optional : 5A, 100A, 400A, 800A with split core current transformers |
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Overload capacity |
1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1S |
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Rated power consumption |
＜0.75VA/phase（5A） |
|
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Frequency range |
45~65Hz |
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Power quality monitor |
Harmonic measurement |
Voltage/current 2~31st harmonic distortion rate,total harmonic distortion rate |
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Harmonic distortion rate |
Phase voltage，Phase current |
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Imbalance rate |
Voltage，Current |
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Measurement accuracy |
Voltage |
±0.2%（0.01V） |
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Current |
±0.2%（0.01A） |
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Active power |
±0.5%（0.1W） |
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Reactive power |
±2.0%（0.1var） |
|
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Power factor |
±0.5%（0.001） |
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Frequency |
±0.02 (0.01Hz) |
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Active energy |
±0.5%（0.1kwh） |
|
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Reactive energy |
±2.0%（0.1kvarh） |
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Temperature |
±1℃（1℃） |
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Communication interface |
communication port |
RS485 / WIFI / 4G/ Lora (410-525Mhz) |
|
Communication protocol |
Modbus-RTU,DL/T645-2007, MQTT |
|
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Input/ Output |
Digital input |
4-way passive main line contact DI input, internal supply DC24V power supply |
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Digital output |
4-way passive main line contact DI input, internal supply DC24V power source |
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Working environment |
Operating temperature |
-25℃ ~ +70℃ |
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Storage temperature |
-30℃ ~ +75℃ |
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Relative humidity |
5% ~ 95% No condensation |
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Altitude |
Not more than 3000m |
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Electrical insulation |
Power frequency withstand voltage |
2KV Insulation resistance, 1 minute |
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Insulation resistance |
＞50MΩ |
|
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Impact voltage |
5kV (Peak),1.2/50us |
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Electromagnetic Compatibility |
Electrostatic discharge immunity |
GB/T 17626.2-2006,Level4,IEC61000-4-2, level 4 |
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Fast pulse group immunity |
GB/T 17626.4-2008,Level4,IEC61000-4-4, level 4 |
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Surge immunity |
GB/T 17626.5-2008,Level4,IEC61000-4-5, level 4 |
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Power frequency magnetic field immunity |
GB/T 17626.8-2006,Level4,IEC61000-4-8, level 4 |
KPM312 Multi Channel Energy Meter wiring
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