star delta change over switches

Voltage Class    :   Upto 220kV
Current Rating   :   Upto 5000 Amps
No. of Phase   :   03
Type of Connection   :   Selector
Mounting   :   Horizontal, Handle / Drive on Side Wall
  Horizontal, Handle on Top cover
  Vertical, Handle / Drive on Top   
  Side Wall
  Vertical, Handle / Drive on Bottom
  Side Wall
  Vertical, Handle / Drive on Top Cover
  Bell mounted
Operation   :   Motorised / Manual
Cooling Media   :   Transformer Oil