SF6 gas-insulated ring main unit

secondarycompactpower distribution

++++General FGRMU is a ring main unit for the secondary distribution network. FGRMU can be supplied in 10 different configurations suitable for mostswitching applications in 12/24 kV distribution networks. It is extendable and combined with the SafePlus concept, which is ABB’s flexible, modular compact switchgear, they represent a complete solution for 12/24 kV secondary distribution networks. FGRMU and SafePlus have identical user interfaces. FGRMU is a completely sealed system with a stainless steel tank containing all live parts and switching functions. A sealed steel tank with constant atmospheric conditions ensures a high level of reliability as well as personnel safety and a virtually maintenance-free system. The FGRMU concept offers a choice of either switch-fuse combination or circuit-breaker with relay for protection of the transformer. FGRMU can be supplied with an integrated remote control and monitoring unit. This product is in conformity with the standards of IEC60420, GB/T11022, GB3804,GB3906 ++++Service environment 1. Air temperature:Maximum temperature: +40℃; Minimum temperature:-20℃ 2. Humidity:Monthly average humidity 95%; Daily average humidity 90% . 3. Altitude above sea level:Maximum installation altitude: 2500m 4. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. 5. No frequent violent shake