KPM53 Three Phase Smart Digital OEM Power Meter
⚙️ OEM Support
🎯 Class 0.5S
- Digital panel power meter, standard 96*96mm panel installation
- Multifunction measurement, support three phase voltage, current, power, power factor, frequency, 4 quadrant energy, 2-31st harmonics, etc. measurement.
- Standard RS485 MODBUS RTU communication, optional 2nd loop Modbus RTU communication and Profibus-DP communication
- Optional 2 DI, 2 DO, 1 Temperature input, etc.
- High measuring voltage range, upto 380V/660V.
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Features
KPM53 three phase smart digital OEM 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.
Functions of KPM53 Three phase smart digital power meter
- 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.
- Power quality analysis:
- 2-31st harmonic analysis;I/U Total distortion rate.
- Crest coefficient;Valley coefficient.
- Current, Voltage imbalance rate.
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.
- Communication: RS485/Modbus-RTU;Profibus-DP
- Optional function:
- 2 digital inputs;
- 2 digital outputs
- PT100 temperature monitoring;
- 4-20mA analog output
KPM53 Three Phase OEM Power Meter Topology Diagram
KPM53 Three Phase OEM Power Meter Model
KPM53 Three Phase OEM Power Meter Technical Tables
| Working power source | Operating Voltage | 85-305VAC/70-430VDC |
|---|---|---|
| Rated power | < 3VA | |
| Input voltage | Rated voltage | 57.7/100V, 220/380V, 380/660V (customizable) |
| Siil value | 5V | |
| Overload capacity | 1.2× rated voltage continuous; 2× rated voltage for 1 second | |
| Power consumption | <0.5VA/phase | |
| Measurement range | LN:50~270VAC, LL:90~470VAC | |
| Frequency range | 45~65Hz (optional 400Hz) | |
| Input current | Rated current | Default 5A (1~6A), Optional 1A (1~1.2A) |
| Siil value | 5A:5mA; 1A:0.8mA | |
| Overload capacity | 1.2× continuous; 20× for 1 second | |
| Power consumption | <0.75VA/phase (5A), <0.25VA/phase (1A) | |
| Input Output | Switch value input | 2-way passive DI, internal DC24V supply |
| Relay output | 2-way DO, 250VAC/5A, 30VDC/5A | |
| Analog output | 4~20mA, overload 1.2× | |
| Temperature input | 0℃~100℃ | |
| Power quality monitor | Harmonic measurement | 2~31st harmonics, THD |
| Harmonic distortion rate | Phase voltage, line voltage | |
| Imbalance rate | Voltage, current | |
| Measurement accuracy | Voltage | ±0.2% |
| Current | ±0.2% | |
| Active power | ±0.5% | |
| Reactive power | ±2.0% | |
| Active energy | ±0.5% | |
| Reactive energy | ±2.0% | |
| Power factor | ±0.5% | |
| Frequency | ±0.02Hz | |
| Temperature | ±1℃ | |
| Communication | Communication interface | RS485 (photoelectric isolation) |
| Communication protocol | Modbus-RTU, 1200~38400bps | |
| Electrical insulation | Power frequency withstand voltage | AC2kV/min |
| Insulation resistance | >50MΩ | |
| Impact voltage | 5kV Peak | |
| Working environment | Operating temperature | -25℃~+70℃ |
| Relative humidity | 5%~95% No condensation | |
| Storage temperature | -30℃~+75℃ | |
| Altitude | <4000m | |
| Electromagnetic Compatibility | Surge immunity | IEC61000-4-5 Level4 |
| Electrical fast burst | IEC61000-4-4 Level4 | |
| ESD immunity | IEC61000-4-2 Level4 | |
| Magnetic field immunity | IEC61000-4-8 Level4 |
Application Of KPM53 Three Phase OEM Power Meter
KPM53 low-voltage three-phase four-wire typical wiring diagram
KPM53 High-voltage three-phase three-wire typical wiring diagram
Advanced Insights: KPM53 Power Quality Analyzer & Harmonic Monitoring
Q1: What makes the KPM53 Power Meter suitable for critical power monitoring in data centers?
A: The KPM53 Power Meter is an enterprise-grade power analyzer featuring Class 0.5S high-precision metering. In data centers and hospital environments where power stability is critical, the KPM53 provides comprehensive real-time monitoring of all electrical parameters, including voltage, current, power factor, and frequency with extreme accuracy.
Q2: Does the KPM53 Power Meter support advanced harmonic analysis for equipment protection?
A: Yes. The KPM53 Power Meter supports individual harmonic analysis up to the 31st order. This is essential for identifying nonlinear loads that can cause equipment overheating or failure. By monitoring these disturbances via the RS485/Modbus-RTU interface, engineers can take proactive measures to protect sensitive electronic systems.
Q3: How is the KPM53 Power Meter installed and integrated into energy management system?
A: The KPM53 Power Meter features a standard 96x96mm panel mount design with a high-definition LCD display for local reading. For system integration, it utilizes a robust RS485 port, ensuring high compatibility with Energy Management Systems . Its modular design also allows for optional I/O expansions, such as analog outputs or digital inputs for status monitoring.
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