| Power source |
● Working voltage Three phase : 380VAC ±15% Single phase : 220VAC ± 15% It is allowed long-term operating under 1.1 times rated voltage ● Rated frequency:50Hz ± 5% ● Voltage deviation: ± 20% ● Power consumption: <2W ● Voltage waveforms:Sine wave, Total voltage sine wave distortion rate not more than 5%. Current waveforms: Current harmonics not more than 15% ● Interval of capacitor switching: ≤0s~180s(It can be set) |
| Measurement accuracy |
● Voltage: ≤±0.2% ● Current: ≤0.5% ● Temperature: ±1℃ ● Power factor: ±1% ● Times: ±0.1s |
| Protection |
● Undervoltage protection, overvoltage protection ● Overcurrent protection, undercurrent protection ● Lack-Phase Protection ● Over-temperature protection ● Harmonic protection |
| Operating conditions | ● Ambient temperature: -25℃~45℃ (Except special order products) ● Altitude: ≤2000m ● Pollution grade: Ⅲ ● Relative humidity: 20%~90%（40℃） |
| Performance | |
| Times of switching of capacitor | More than one million times(on load) |
| Power consumption | Standby ≤ 4VA (Icd) |
| Control accuracy | 100% |
| Annual failure rate | ≤0.1% |
| Communication method | RS485 |
