APM510 Multifunction Network Power Meter
Characteristic
Communication
RS485 / Modbus-RTU / DL/T645-2007
Ethernet / Modbus-TCP, 2nd Communication, WiFi, LoRa, 4G (optional)
Display
128×128 dot-matrix LCD with white LED backlight
Displays electrical parameters, energy, demand, harmonics and power quality data
Rated U and l
AC 3×57.7/100V, 3×63.5/110V, 3×230/400V
AC 3×1(1.2)A / 3×5(6)A, CT connected
General
APM510 is a 72 mm panel-mounted multifunction network power meter for three-phase power monitoring. It integrates electrical parameter measurement, energy metering, demand statistics, power quality analysis, event/alarm recording and network communication, and is suitable for industrial distribution, data centers, PV and energy storage systems.
Function
Accuracy
Voltage & Current 0.2%
Active Power 0.5%
Reactive Power 1%
Active Energy Class 0.5S, Class 0.2S optional
Reactive Energy Class 1
Frequency
45–65 Hz
Power Quality
Voltage and current unbalance
Voltage and current phase angle
Voltage and current THD
2nd–63rd individual harmonics
Voltage crest factor and current K-factor
Interharmonics, flicker and fault waveform recording optional
Energy Measurement
Active, reactive and apparent energy
Four-quadrant energy
Demand and maximum demand recording
Maximum / minimum value recording
Multi-tariff energy optional
Communication
RS485 / Modbus-RTU / DL
Ethernet / Modbus-TCP, 2nd Communication, WiFi, LoRa, 4G (optional)
Input & Output
2DI + 2DO + 1 Energy Pulse Output
Additional 2DI + 2DO, 2-channel Analog Output (optional)
Relay Output: AC 250V/3A, DC 30V/3A
Extended Monitoring
4-channel NTC Temperature Measurement
1-channel Leakage Current Measurement
(optional)
Auxiliary Power Supply
AC 85–265V / DC 100–350V
Power Consumption ≤15VA
Protection Degree
Front Panel IP54, IP65 optional
Environment
Operating Temperature -25°C to +70°C
Storage Temperature -40°C to +85°C
Relative Humidity ≤95%, non-condensing
Altitude ≤2500m
Wiring
Installation
Typical connection
| Parameter | Specification |
| Power Network | 3-phase 3-wire / 3-phase 4-wire |
| Frequency | 45–65 Hz |
| Rated Voltage | AC 3×57.7/100V, 3×63.5/110V, 3×230/400V |
| Rated Current | AC 3×1(1.2)A / AC 3×5(6)A |
| Current Connection | External CT |
| Voltage / Current Accuracy | 0.2% |
| Frequency Accuracy | ±0.02 Hz |
| Active Power Accuracy | 0.5% |
| Reactive Power Accuracy | 1% |
| Active Energy Accuracy | Class 0.5S; optional 0.2S |
| Reactive Energy Accuracy | Class 1 |
| Standard Communication | RS485 / Modbus-RTU / DL/T645 |
| Optional Communication | Ethernet / Modbus-TCP, WiFi, LoRa, 4G |
| Relay Output | AC 250V/3A, DC 30V/3A |
| Auxiliary Power | AC 85–265V / DC 100–350V |
| Power Consumption | ≤15VA |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | ≤95%, non-condensing |
| Altitude | ≤2500m |
| Function | APM510 |
| Full electrical parameter measurement | Standard |
| Active / Reactive / Apparent Energy | Standard |
| Four-quadrant Energy | Standard |
| Demand & Maximum Demand | Standard |
| Voltage / Current Unbalance | Standard |
| Harmonic Analysis (2nd–63rd) | Standard |
| Voltage / Current Phase Angle | Standard |
| Extreme Value Record | Standard |
| Alarm Record | Standard |
| 2DI + 2DO | Standard |
| 1 Energy Pulse Output | Standard |
| RS485 / Modbus-RTU | Standard |
| DL/T645 | Standard |
| Ethernet / Modbus-TCP | Optional |
| Second Communication Interface | Optional |
| Additional 2DI + 2DO | Optional |
| 2-channel Analog Output | Optional |
| Multi-tariff Energy | Optional |
| 4-channel NTC Temperature | Optional |
| Leakage Current Monitoring | Optional |
| Interharmonics / Flicker | Optional (S) |
| Fault Waveform Recording | Optional (S) |
| WiFi | Optional |
| LoRa | Optional |
| 4G | Optional |
