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Shanghai Electric Group Busbar Trunking Co., Ltd.

Ring Main Unit, Sf6 Rmu, Rmu manufacturer / supplier in China, offering 12/24kv Sf6 Gas Insulation Ring Main Unit, Jxf Jff Type Stainless Steel Cabinet Distribution Box Enclosure, Distribution Busbar Trunking Busduct System Bbt Power Bbt and so on.

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Supplier Homepage Product ring main unit 12/24kv Sf6 Gas Insulation Ring Main Unit

12/24kv Sf6 Gas Insulation Ring Main Unit

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Basic Info
  • Model NO.: GRMU
  • Structure: Protection
  • Form: All- packaged Type
  • Size: 1 Uint
  • Shell Material: Stainless Steel
  • Brand: Shanghai Electric
  • Specification: IEC62271-200
  • HS Code: 8537209000
  • Type: Power
  • Certification: ISO9001:2000, CCC, Type Tested
  • Operation Voltage: High Voltage
  • Application Range: Transformer Protection
  • Shell Protection Grade: IP56
  • Trademark: Shanghai Electric
  • Origin: Shanghai
Product Description
General
GRMU is a ring main unit for the secondary distribution network. GRMU 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. RMR and SafePlus have identical user interfaces.
GRMU 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 RMR concept offers a choice of either switch-fuse combination or circuit-breaker with relay for protection of the transformer. RMR 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, IEC62271-200, etc.
Service environment
A) Air temperature: Maximum temperature: +40C; Minimum temperature: -20C
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.
E) No frequent violent shake

Main technical specifications:
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