| Mode | The factory code | Lightning arrester rated voltage kV RMS | Lightning arrester system nominal voltage is kV RMS | Continuous operating voltage of arrester kV RMS | DC reference voltage kV is not less than 1mA | Impulse current residual kV is not c than peak | Nominal current impulse residual voltage kV is not hollow insulator than peak | Steep impulse current residual kV is not hollow insulator than peak | 2ms square wave through flow capacity of A 20 peak | Nominal creepage distance mm | Weight kg | Remarks |
| Y20W1-600/1380GW | 62905 | 600 | 750 | 462 | 810 | 1135 | 1380 | 1462 | 2500 | 26400 | 2921 | 海拔2000米以上 |
| Y20W1-648/1491GW | 62906 | 648 | 750 | 498 | 875 | 1226 | 1491 | 1578 | 2500 | 26400 | 2921 | 海拔2000米以上 |
| Y20W1-600/1380W | 62907 | 600 | 750 | 462 | 710 | 1135 | 1380 | 1462 | 2500 | 24000 | 2370 | |
| Y20W1-648/1491W | 62908 | 648 | 750 | 498 | 875 | 1226 | 1491 | 1578 | 2500 | 24000 | 2370 |
