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KPM53 Three phase smart digital power meter
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KPM53 Three phase smart digital power meter
KPM53 three phase smart digital power meter is used to measure three-phase electrical parameters, display, power statistics, power quality analysis, digital input / output and network communications in one. With high precision Class 0.5s, strong isolation, stable performance, anti-interference ability, etc.; the device also has a very strong expansion capabilities, such as monitoring of external switching action, 4-20mA analog output. Also the network management of the instrument can be realized through RS-485 / Modbus communication protocol.
Function
Model Selection
Specification
Application scenerio
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Function
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- Digital panel three phase smart digital power meter
- Full electrical parameter measurement: UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant energy, etc.
- High accuracy: U Class 0.2;I Class 0.2.
- High accuracy: P Class 0.5S; Active energy Class 0.5S.
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- Power quality analysis:
- 2-31st harmonic analysis;I/U Total distortion rate.
- Crest coefficient;Valley coefficient.
- Current, Voltage imbalance rate.
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- Record function:
- Monthly average power factor and power data for the last three months.
- Electrical parameters maximum and minimum data.
- Meter working time, load time statics.
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- Communication: RS485/Modbus-RTU;Profibus-DP
- Optional function:
- 2 digital inputs;
- 2 digital outputs
- PT100 temperature monitoring;
- 4-20mA analog output
Model Selection
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Specification
Working power source | Operating Voltage | AC 85-265V/ DC 80-310V |
Rated power consumption | < 3VA | |
Input voltage | Rated voltage | 57.7/100V,220/380V,380/660V |
Overvoltage capability | 1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10S |
|
Rated power consumption | <0.5VA(per phase) | |
Measurement range | LN:50~260VAC, LL:90~450VAC | |
Input current | Rated current | Default 5A, input range 1-6A; optional 1A, input range 1-1.2A |
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); <0.45VA/phase (1A) | |
Measurement range | 5A:0~6A; 1A:0~1.2A | |
Power quality monitor | Harmonic measurement | U/I 2-31st harmonic distortion rate |
Harmonic distortion rate | Phase voltage,Phase current | |
Imbalance rate | Voltage,Current | |
Measurement accuracy | Voltage | ±0.2%(0.01V) |
Current | ±0.2%(0.01A) | |
Active power | ±0.5%(0.01W) | |
Reactive power | ±2.0%(0.01var) | |
Power factor | ±0.5%(0.001) | |
Frequency | ±0.02 (0.01Hz) | |
Active energy | ±0.5%(0.1kwh) | |
Reactive energy | ±2.0%(0.1kvarh) | |
Temperature | ±1℃(1℃) | |
Communication | communication port | RS485,Photoelectric isolation interface |
Communication protocol | Modbus-RTU, 1200-38400BPS Probibus-DP,9600-12Mbps |
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DI & DO | Switch value input | 2-way passive main line contact DI input, internal supply DC24V power supply |
Relay output | 2-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A | |
Analog output | Output range 4-20mA, overload 1.2 times | |
Temperature input | Temperature range 0-100℃ | |
Working environment | Operating temperature | -25℃ ~ +70℃ |
Storage temperature | -30℃ ~ +75℃ | |
Relative humidity | 5% ~ 95% No condensation | |
Altitude | Not more than 4000m | |
Electrical insulation |
Dielectric strength | Power frequency voltage AC 2kV, working time 1 min |
Insulation resistance | >50MΩ | |
Impact voltage | 5kV (Peak),1.2/50us | |
Electromagnetic Compatibility | Electrostatic discharge immunity | IEC61000-4-3, level 4 |
Fast pulse group immunity | IEC61000-4-4, level 4 | |
Surge immunity | IEC61000-4-5, level 4 | |
Power frequency magnetic field immunity | IEC61000-4-8, level 4 |
Application scenerio
KPM53ZRK High-voltage three-phase three-wire typical wiring diagram
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KPM53ZRK Low-voltage three-phase four-wire typical wiring diagram
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