| Applicable Standard | IEC BS | ||||
| Cat. No. | 93515 | 93516 | 93517 | 93518 | |
| Fig. No. | 1 | 2 | 3 | 4 | |
| Min. leakage distance | mm | 625 | 530 | 500 | 715 |
| Min. protective leakage distance | mm | 220 | 250 | 250 | 260 |
| Min. cantilever failing load | kN | 4 | 12.5 | 12.5 | 12.5 |
| Power-freq. 1 min. withstand voltage | kV | 65 | 50 | 65 | 80 |
| Lightning impulse withstand voltage | kV | 166 | 150 | 150 | 170 |
| Weight | kg | 7 | 9.8 | 9.4 | 10.8 |