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Abb ring main unit – sf6 insulated ring main units RMU ABB MV Products

Abb ring main unit – sf6 insulated ring main units RMU ABB MV Products
Abb ring main unit – sf6 insulated ring main units RMU ABB MV Products
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Product Code : AMU_1
Brand Name : ABB
Product Description


SF6 Insulated Ring Main Units And Compact Switchgear

Safering And Safeplus

ABB offers a complete solution for 12/24 kV distribution networks. This consists of SafeRing, a Ring Main Unit (RMU) that can be supplied in various configurations and SafePlus, a compact switchgear with unique flexibility. SafePlus offers extendibility and fully / semi modular configuration possibilities. Both the units have identical user interfaces. SafeRing / SafePlus are delivered as a completely sealed system with a stainless steel tank containingall the live parts and the switching equipment. Constant atmospheric conditions in the sealed tank ensures a high level of reliability, safety and a virtually maintenance-free system. As an option in SafePlus, an external busbar can be provided to enable a completely modular configuration. SafeRing and SafePlus can also be fitted with a remote control and monitoring unit and are suitable for both indoor and outdoor applications.

Key Features

  • Compact and robust design
  • Minimal moving parts
  • Virtually maintenance free
  • High degree of functionality with integrated features
  • High flexibility
  • Multiple configuration options
  • Enhanced safety
  • Complete solutions including applications
  • for remote control and monitoring

Standard Equipment Supplied With Safering / Safeplus

  • Earthling switches
  • Operating mechanism with integral mechanical
  • Interlocking
  • Operating handle
  • Facilities for padlocks on all switching equipment
  • Bushing for cable connections in front with arc resistant
  • cable covers for utmost operator safety
  • Manometer for SF6 gas pressure monitoring
  • Lifting lug for easy handling
  • All units are designed so that an integrated remote
  • control and monitoring unit can be fitted when required


  • City Power Distribution
  • Small Industries,
  • Hotels, Shopping Centers, Office Buildings, Business Centers, Etc.
  • Compact Secondary
  • Light Mining  Applications, Tunnels And Underground Railways
  • Wind Turbines

Safeplus And Safering

Voltage And Short Circuit Indicators

As an option these units can be equipped with fixed type or plug-in type voltage indicators as well as electronic short circuit indicators for simple fault indication.

Circuit breaker with relay

When vacuum circuit breakers are used for transformer protection, self-powered microprocessor based over Current and earth fault relay are used. The protection system does not require an external power supply, as the power is taken from the current transformers


Office No.-9, Plot 53/54, Sector-34, Space Heights, Near Tawa Hotel, Kamothe, Navi Mumbai - 410209, Maharashtra, India
Mr Piyush Lalchand Rathi (Partner)
Mobile :+919819614841, +919769207841
Mr. Dnyanesh Gawande (Partner)
Mobile :+919833686249