| Technical Parameter | Value |
| Signal | Connection | 3 phase 3 wire, 3 phase 4 wire |
| Frequency | 45~65Hz |
| Voltage | Rated value: AC 100V,110V,400V,690V |
| Overload: 1.2 times rated value(continuous); 2 times rated value(1 second) |
| Power consumption: < 0.5VA (per channel) |
| Current | Rated value: AC 1A, 5A |
| Overload: 1.2 times rated value(continuous); 10 times rated value(1 second) |
| Power consumption: < 0.5VA (per channel) |
| Measurement accuracy | Voltage,current and power | Class 0.5S (APM800,APM810) Class 0.2S (APM801,APM830) |
| Active power |
| Reactive power | Class 2(APM800, APM810), Class 0.5(APM801,830) |
| Harmonic | 1%(2~42nd),2%(43~63rd) |
| Switch inputs | Passive contact inputs, built-in power supply |
| Relay outputs | Contact type: open contact in main part, changeover contact in module Contact capacity:3A/AC 250V 3A/DC 30V |
| Pulse output of energy | Output mode: Optocoupler pulse with open collector Pulse constant:4000(5A),8000(1A) imp/kWh |
| Analog outputs | DC 0~20mA,4~20mA,0~5V,1~5V output, accuracy class 0.5%, load resistance ≤ 500Ω |
| Analog inputs | DC 0~20mA,4~20mA,0~5V,1~5V input, accuracy class 0.5% |
| Storage card | Standard capacity:4G,TF card up to 32G capacity |
| Communication | RS485(Modbus-RTU) |
| Profibus(Profibus-DP) |
| Ethernet(Modbus-TCP,HTTP,DHCP) |
| Auxiliary power supply | Operating range: AC/DC 85V~265V or AC/DC 115~415V(P2) |
| Power consumption: Power consumption of the main part ≤ 15VA |
| Safety | Insulation resistance | >100MΩ |
| Electromagnetic compatibility | IEC 61000 standard (Level 4) |
| Protection level | IP54(Front) |
