Cities We Serve
Karnataka, Tamilnadu, Telangana, Andhra Pradesh
Get exceptional reliability and safety with VASI ELECTRA PRIVATE LIMITED Ring Main Unit (RMU). We offer SF6-insulated and high-performance switchgear solutions for medium voltage distribution networks.
Key Features of Ring Main Units
Ring Main Units are built to comply with IEC 62271-200 standards. Our compact and modular switchgear is suitable for varied power distribution needs.
SF6 gas-insulated, which offers superior dielectric strength and long-term performance. The stainless steel tank ensures optimal durability, even in the most challenging environments.
Each RMU integrates an SF6 switch disconnector and a vacuum circuit breaker. It combines fault protection, high operational safety, and minimal maintenance requirements.
With its flexible design, RMU electrical panel can meet diverse installation needs, whether for indoor or outdoor applications.
Enhanced with internal arc resistance, the unit guarantees operational safety during fault conditions.
You can equip the unit with SCADA-compatible motorisation (on request) to avail advanced automation and real-time control.
Its minimal environmental sensitivity supports its suitability for use in demanding power applications within the ring main distribution system.
Interested to know more or want to get in touch? Contact our expert consultants at +91-9343125235 / +91-9845808899 or drop an email at sales@vasielecware.com.
Yes I'm InterestedElectrical Data
Rated voltage |
12 / 17.5 kV |
Insulation level
Lightning impulse (1.2/50 µs) |
75 / 95 kV peak |
Power frequency (50 Hz/1 min) |
28 / 38 kV rms |
Rated current |
630 A |
Rated short-time current |
21 (3s) kA rms |
Short circuit making current |
52.5 kA peak |
Mechanical characteristics
Protection degree |
RMU – IP54 |
Standard colour |
RAL – 7032 |
Normal service conditions
Ambient temperature |
basic:-5..+40 °C , options:-10.. +55 °C Dimensions (2LBS+1CB) |
Height |
1912 mm |
Width |
1255 mm |
Depth |
790 mm |