| Cat. No. | A1034 | A1035 | A1036 | A1037 | ||
| Fig | 1 | 1 | 1 | 2 | ||
| Class DIN | st-10/J | st-15/J | st-20/J | p-20-D | ||
| Main dimensions (mm) | H | 130 | 150 | 185 | 185 | |
| h | 55 | 60 | 65 | 65 | ||
| D | 135 | 150 | 175 | 175 | ||
| d | 31 | 31 | 35 | 35 | ||
| R1 | 10 | 10 | 10 | 10 | ||
| R2 | 12.5 | 12.5 | 12.5 | 12.5 | ||
| Nominal voltage (kV) | 10 | 15 | 20 | 20 | ||
| Creepage distance (mm) | 240 | 270 | 340 | 340 | ||
| Power-frequency puncture voltage (kV) | 110 | 120 | 140 | 140 | ||
| Electronical Failing load (kN) | 12 | 12 | 14.7 | 14.7 | ||
| Minimum flashover voltage | Power-frequency (r.m.s) | Dry | 70 | 75 | 90 | 80 |
| Wet | 42 | 53 | 65 | 50 | ||
| 50% critical impulse (peak) kV | 100 | 110 | 130 | 130 | ||
| Weight（kg） | 1.5 | 2.7 | 3.4 | 3.8 | ||
