Ring Main Unit

The Type GR-1 RMU is designed with a combination of innovation and state-of-art insulation principles & current interruption techniques. GR1 is available for 12kV which can withstand 20kA for 3 seconds. This outdoor design is safe to operate with the help of mimic diagram & position indicators to guide operators. All passive interlocks, comprehensive padlocks are designed for user friendly operations and are safe.


  1. SF6 gas insulation & current interruption – No fire hazard
  2. Maintenance free & sealed for life contact system
  3. Outdoor installation
  4. Robust construction
  5. Tee-off circuit breaker with integral protection system
  6. Low cost cable termination
  7. Fully extendable options
  8. Motorized mechanism