SF6 Insulated Ring Main Unit

Application
The SF6 insulated ring main unit is applied to ring network or terminal for power supply or distribution in electric power systems as indoor or outdoor switch stations, box-type substations, urban or rural power grid transformation projects, factories and enterprises, office buildings, commercial centers, etc.

As a kind of standalone electrical switchgear, the ring main unit is also used to protect transformers, aerial lines and cables. Or, you can use it as interconnection switch.

Advantages
1. To meet your requirements, this ring main unit can realize flexible multi-unit combination.
2. It is totally maintenance free for your convenience.
3. This SF6 insulated ring main unit boasts installation easiness, modularized design, electric operation and perfect interlock system. It can be used as a reserved part for preparation of prospective power distribution automation.
4. The air tank of our RMU switchgear is 3mm thick, robust and leakage-proof. Meanwhile, its interior design is preventive for arc fault, and the special-purpose anti-explosion valve it adopts maximally ensures personal safety.
5. Due to humanized operating position, you can easily operate this product with small strength. And the fuse unit comes with spring stored energy mechanism, conductive to power distribution. Besides, any functional module can be configured with electric operation mechanism.
6. Our SF6 insulated ring main unit is made of eco-friendly materials, and 90% of the materials are reclaimable.

Reference Standards
1. National Standards
GB11022, GB3906, GB1984, GB3804, GB16926

2. International Standards
IEC60376, IEC60129 , IEC60298, IEC60265-1, IEC60420, IEC60694, IEC60282, IEC60056, DIN VDE0670

Model Instruction

Technical Parameters of the Ring Main Unit