| 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 |
| Y20W1-828/1620W | 62950 | 828 | 1000 | 638 | 1114 | 1460 | 1620 | 1782 | 8000 | 33000 | 7500 | |
| Y20W1-888/1700W | 62951 | 888 | 1000 | 684 | 1145 | 1500 | 1700 | 1832 | 8000 | 33000 | 7510 |
