| item | specification |
| input-output voltage | AC100V、AC200V、AC400V、AC100/200V |
| wire connection(number of phase) | single-phase(two-wire, three-wire), three-phase three-wire(delta connection) |
| capacity | single-phase | 0.5~30kVA |
| three-phase | 1~75kVA |
| working frequency | 50Hz/60Hz |
| insulated resistance | more than 100MΩ at DC500V |
| withstand voltage | between Input and output | AC10kV (one minute) impulse (1.2/50μs)30kV |
| between input and earth |
| between output and earth | AC3kV (one minute) |
| voltage volatility and efficiency | single-phase | capacity | less than 0.5kVA | 1~2kVA | 3kVA | more than 5kVA |
| voltage volatility | less than 5% | less than 4% | less than 3% |
| efficiency | more than 93% | more than 95% |
| three-phase | capacity | less than 7.5kVA | more than 10kVA |
| voltage volatility | less than 3% | less than 2% |
| efficiency | more than 95% | more than 97% |
| insulation type | single-phase | A type less than 2kVA、B type more than 3kVA |
| three-phase | A type less than 60kVA、B type more than 75kVA |
| temperature increase limit | A type | less than 55℃ |
| B type | less than 75℃ |
| surge transition rate | less than 1/1,000 |