| Cat. No. | D3305 | D3306 | D3307 | D3308 | |
| Type | GY1 | GY2 | GY3 | GY4 | |
| Main dimensions (mm) | H | 90 | 146 | 216 | 280 |
| h | 48 | 73 | 89 | 89 | |
| h1 | 60 | 99 | 133 | 165 | |
| D | 68 | 73 | 115 | 115 | |
| d | 40 | 44 | 67 | 67 | |
| d1 | 16 | 22 | 38 | 38 | |
| Power frequency wet withstand voltage (kV) | 10 | 15 | 20 | 20 | |
| Mechanical failing load (kN) | 27 | 71 | 222 | 222 | |
| Weight each approx (kg) | 0.6 | 1.1 | 4.3 | 5.7 | |
