| Model | SDTH / 40–120A / 280V；480V；530V；600V / ZD1 ZD3 RD1 RD3 ZA2 |
| Control voltage type | 4-16Vdc（D1） | 4-32Vdc（D3） | 90-250Vac（A2） |
| Input control current (Max.) | 26/86 mAdc @=5Vdc/12Vdc | 29/32 mAdc @=5Vdc/12Vdc | 13mAdc @=220Vac |
| Turn-on voltage (Max.) | 4Vdc | 4Vdc | 90Vac |
| Load current range | 0.05-3×40A / 3×60A / 3×80A / 3×100A / 3×120A |
| Load voltage range (rms) | 28-280V ; 48-480V ; 53-530V ; 60-600V |
| Frequency range | 47-63Hz |
| Off state current | ≤8mAms |
| On state voltage | 1.6V |
| Opening time 'zero control' | 1/2Cycle |
| Turn-off time | 1/2Cycle |
| Opening time 'random control' | 1mSec |
| Insulation (Input/Output) | 2500Vrms |
| Operating and storage temperature | -30~+80℃ |