This earthing switch is for use with the vacuum circuit-breaker (VCB) type 22CBDL， it is a safety device.
| The main technical data: | |
| Name:35KSDL Earthing Switch | Model:35KSDL |
| Acceptable current of short circuit: | 30KA during 20 ms |
| Acceptable D.C. current: | 400 A |
| Closing maximum current: | 5KA |
| Mechanical endurance: | 20000 operating Cycles |
