Ring Main Unit

Stelmec Limited has been manufacturing various types of Outdoor and Indoor Control, Relay and Protection Panels up to 400kV for the last 20 years in their state of art manufacturing facility located at Usgaon near Mumbai.

Salient Features

Ring Main Unit

  • High Degree of Reliability and Safety
  • Virtually Maintenance Free
  • Suitable for Indoor and Outdoor Application
  • Reduced Total Cost Considering Space Requirement
  • Compatible for Manual and Motorized Remote/SCADA Operation
  • Conforms to IEC 6227-100 / 102 / 103 / 200 & IEC 62271-1 / IS 13118
  • Arc Interruption in Vacuum and SF6 Gas for Insulation
  • RMU is Designed for Internal Arc Classification for 12kV, 21kA IAC AFLR for 0.1 & 1 sec
  • Manual and Motorized Three Position Load Break Switch and Off-load Dis-connector cum Earth switch
  • All Safety Interlocks are provided
  • Extensible on Both LH & RH Side (optional)
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