Ring Main Unit (RMU)


  • 12kV/630A/25kA    

  • 22kV/630A/25kA


Indoor and outdoor    


2 way, 3 way, 4 way, 5 way

Product Description

G6-Series (SAARA) Ring Main Units (RMU’s) are factory assembled, sealed for life, compact SF6 switchgear for secondary distribution for voltage classes of 12kV and 24kV. These automation ready units are offered with extensible and non-extensible construction for indoor and outdoor applications. Various interrupting and switching combinations with single busbar can be provided.

Product Features

  • Extensible and non-extensible formats available

  • Motorized earthing switch

  • Front cable entry

  • Hermetically sealed SF6 unit

  • Motorized and manual operations for VCB and LBS 

  • Corrosion resistant, stainless steel arcing chamber

  • Mechanism outside gas chamber

  • SCADA compatible.

Safety Features

  • Live line indicator

  • Earth switch interlocked cable chamber access

  • Earthing function after OFF function

  • Self-powered protection relays

  • Motorized and suitable for remote operation & automation through’ SCADA/ FRTU.

  • Available in various combinations


  • Compact design

  • Easy to install and commission

  • Light weight

  • Environmentally friendly


  •  Smart grid protection

  •  Secondary distribution

  •  Transformer protection

  •  Industrial energy systems

  • Packages substation

Applicable standards

  • Complies with IEC 62271-1/100/102/103/200

General Technical Specification