Outdoor Gas Insulated Ring Main Unit

The OMR is with option for different application. as a extensible or non extensible RMU.

The OMR comprising of a Tee off vacuum circuit breaker and two fault-make load break ring switches contained within a common SF6 gas insulated stainless steel enclosure.

The OMR unit is suitable for both indoor and outdoor applications and can be used either as a freestanding unit or for mounting to a transformer, complying with iec62271-200

Service environment:
     a) Air temperature:Maximum temperature: +40ºC; Minimum temperature:-20ºC
     b) Humidity:Monthly average humidity 95%; Daily average humidity 90% .
     c) Altitude above sea level:Maximum installation altitude: 2500m
     d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

Standard instruction:
     D unit configuration
     See standard configuration and features of "Cable connecting module without earth switch module"

     C unit configuration
     See standard configuration and features of "Load break switch module"
     F unit configuration
     See standard configuration and features of "Load break switch and fuse combination module"
     V unit configuration
     See standard configuration and features of " Vaccum switch module"
Standard combinations also includes belowing configurations:
    Voltage indicator of incoming bushing capacitive character SF6 density/pressure monitor( gas meter) with each gas cell Ring for lifting Operating handle.