Complaint
• +++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
