Technical parameter name | Discriptions |
The reference current | Direct access type:5A,10A,20A,40A,60A Access through transformer type:1.5A |
Maximum current | Not less than 4 times the reference current |
Voltage line power consumption | At the reference voltage, reference temperature and reference frequency,the active power and apparent power consumption should not be greater than 1.5w and 10VA in the non-communication state; In the communication state, ≤ 3W and 12VA. |
Current line power consumption | At base current, reference temperature and reference frequency,apparent power consumption ≤ 1VA. |
Accuracy grade | Level1/Level2 |
Environmental conditions | The reference temperature is 23℃ , and the reference relative humidity is 40% ~ 60% |
Working temperature | -25℃~ 60℃ |
Operating relative humidity | No greater than 95% |
Starting current | Direct access type: ≤ 0.004Ib Access through transformer type: ≤ 0.002Ib |
Reference frequency | 50Hz |
The atmospheric pressure | 63.0kPa ~ 106.0kPa |
The battery | Adopt green lithium battery, battery capacity ≥ 1.2ah, no need to replace within the life cycle of the watt-hour meter, can maintain the internal clock after power off the correct working time ≥ 5 years. |