• +++Transformer protection panel modular V

• ( vacuum circuit breaker with relay protection)

Standard Configuration and Features

• 630A Bus bar

• 630A transformer/circuit protective vacuum switch

• 2 working positions double springs mechanism for vacuum switch

• 3 working positions insulator and earth switch of lower part of vacuum

switch

• Single spring mechanism of 3 working positions insulator and earth switch

• Mechanical interlock between vacuum siwth and 3 working positions

switch

• Position indication of vacuum siwth and 3 working positions switch

• Protective relay MPRB with self power supply(with protective CT)

• Tripping coil ( for relay's action)

• Outgoing cable bushing horizontally locates in front of the switch, 400

series bolt type bushing of 630A

• Capacitive voltage indication of bushing electrify

• Convenient lock equipment on the panel for all the switch on/off functions

• SF6 gas pressure meter ( each gas unit has only one)

• Earthing bus bar