| Cat. No. | A1038 | A1039 | A1040 | ||
| Fig | 1 | 2 | 3 | ||
| AS class | P-11-A | P-22-A | P-33-A | ||
| Main dimensions (mm) | H | 107 | 168 | 194 | |
| h | 40 | 63.5 | 63.5 | ||
| D | 140 | 228 | 279 | ||
| d | 76 | 113 | 113 | ||
| R1 | 16 | 16 | 16 | ||
| R2 | 13 | 13 | 13 | ||
| Nominal voltage (kV) | 11 | 22 | 33 | ||
| Creepage distance (mm) | 180 | 450 | 520 | ||
| Minimum flashover voltage | Power-frequency (r.m.s) | Dry | 60 | 80 | 120 |
| Wet | 32 | 60 | 80 | ||
| 50% critical impulse (peak) kV | 95 | 150 | 170 | ||
| Power-frequency puncture voltage (kV) | 95 | 130 | 165 | ||
| Cantilever failing load (kN) | 11 | 11 | 11 | ||
| Weight（kg） | 1.30 | 4.60 | 8.9 | ||
