2PIS disconnector is safety protection device which is mounted in locomotive. It is the last controllable switch device in the HV circuit besides pantograph and vacuum circuit breaker. No HV electricity will be made sure in the locomotive for maintenance when it is working.
| The main technical data: | |
| Name:2PIS HV Disconnector | Model:2PIS |
| Normal voltage: | 25kV |
| rated voltage: | 25kV |
| rated current: | 1000A |
| rated frequence: | 50Hz |
| control voltage: | DC 110V |
| min. operation voltage: | DC 77V |
| rated operation air pressure: | 400kpa～1000kPa |
| min. operation air pressure: | 350kPa |
| mechanical endurance: | 20000 operations |
