| Item number | Rated Voltage (KV) | Effective Insulation Length (MM) | Extension (MM) | Constriction (MM) |
|---|---|---|---|---|
| 23105 | 0.4 | 1000 | 1100 | 350 |
| 23106 | 10 | 1000 | 1100 | 390 |
| 23107 | 35 | 1500 | 1600 | 420 |
| 23108 | 110 | 2000 | 2200 | 560 |
| 23109 | 220 | 3000 | 3200 | 710 |
| 23109A | 330 | 4000 | 4500 | 1000 |
| 23109B | 500 | 7000 | 7500 | 1500 |