Electrical Services
VCB/SF6 breaker Services
  • Rack in/ Rack out mechanism checks
  • Complete mechanism cleaning through CRC
  • Lubrication to be done on mechanism
  • Door shutterInterlock checking
  • Checking close/ Trip coil setting
  • Checking Function of Aux. Switch, Limit Switches & Anti-pumping Contactor
  • Checking spring charging Operation of Motor manually& electrically
  • Rectification problem if any
  • Checking breaker On/Off operation manually & electrically.
  • Checking IR values of Poles.
  • Contact resistance of main contacts pole (CRM KIT)
  • Checking tightness of Control connections
  • Checking breaker tripping operation through relay
  • Relay calibration through secondary injection kit
  • CT Testing through primary Injection.
  • All Associated Skeleton panels and cubicles to be serviced.
Any other Maintenance related Jobs in respect to HT Panels as Instructed by EIC