Rated voltage
Three-phase:3*230/400V,3*277/480V
Overload
1.2 times rating (continuous) 2 times the rating for 1 second
Accuracy class
Error ±0.5%
Input current
80A, 120A, 200A, 300A,
Power
Active, reactive, apparent power, error ±0.5%
Grid frequency
45~65Hz, error ±0.5%
Response rate
≤100ms (voltage, current, power)
Electric energy
Active energy Reactive energy
Power frequency withstand voltage
Between communication and signal input, AC4kV 1min