Application Widely used in the fields of post office,store,elevator,hospital,school,publishing house and stock exchange where normal voltage is in need,and also can be used in the factories of large and middle-scale industrial and mining corp,it is very much suitable for some important devices and supporting single machine.
Input voltage
Three-phase four-line system phase voltage:220±20% line voltage:380±20%,or phase voltage:220±30% line voltage:380±30%(can be selected.Please specify when ordering) Single-phase:220±20% or 220±30%(can be selected.Please specify when ordering.)
Output voltage
Phase voltage:220V Single-phase:220V Line voltage:380V
Output voltage accuracy
2-5%(can be adjusted)Frequency:50HZ/60HZ
Efficiency
≥98%(Power grade is over 50KVA)
Ambient temperature
-10~+40°C
Insulation resistance
≥2MΩ
Electric intensity
The voltage for electrical strength and power frequency sinusoidal is 2000V without breakdown and flash over when lasts 1minute
Overload Capacity
It can last 1 minute at the rated current of two times
Wave form Distortion
No additional waveform distortion
Protective function
it offers the protections against over voltage,over current,phase shortage and phase-sequence(The single-phase offers no protection against the phase shortage and phase-sequence)and mechanical failure
Response speed
≤1.5s(in the condition that the external voltage changes is 10%)