Module V
Standard Configuration and features 1.630A busbar
2.630A Transformer,Vacuum switch for line protection
3.Two-position double spring operating mechanism for Vacuum switch
4.Three-position isolation and earthing switch in the lower part of vacuum switch
5.Three-position isolation and earthing switch single spring operating mechanism
6.Mechanical interlocking of Vacuum switch and Three-position switch
7.Position indication of Vacuum switch and Three-position switch
8. Self-powered electronic protection relay (CT with protection)
9.Trip coil (Used for relay operation)
10. Outgoing bushing arranged horizontally located in front, 630A 400series screw type bushing
11.Indicating bushing live with capacitive voltage indicator
12.For all the switch function, the padlock device is added on the panel for convenient
13. SF6 Gas pressure gauge (There is only one in each of the SF6 gas box)
14.Earthing busbar
15.Earthing switch is interlocked with the front panel of cable room Optional configuration and features 1.The reserved busbar extension
2.External busbar
3.Motor for Vacuum Switch Operation 24V/48V DC 110V/220V DC/AC
4.Parallel trip coil 24V/48V DC 110V/220V DC/AC
5.Parallel closing coil 24V/48V DC 110V/220V DC/AC 6.Measuring ring current transformer and ampere-meter 7.Calculating ring current transformer and watt-hour meter 8.Live incoming earth blocking device (Blocking earthing switch when bushing is live) AC/DC 110V/220V 9.Auxiliary contact:Vacuum switch position 2NO+2NC,Isolating switch position 2NO+2NC, Earthing switch position 2NO+2NC,Vacuum switch trip signal 1NO,Pressure gauge with signal 1NO,Arc extinguisher with signal contacts 1NO. 10.Secondary device can be installed in:Secondary chamber on top of switchgear,Low voltage box on the top of switchgear Producing department
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