Ring Main Unit(RMU)

Advanced Ring Main Unit (RMU) from Vasi Electra Private Limited

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

  • Compliance & Design

Ring Main Units are built to comply with IEC 62271-200 standards. Our compact and modular switchgear is suitable for varied power distribution needs.

  • Insulation and Durability

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.

  • Integrated Components

Each RMU integrates an SF6 switch disconnector and a vacuum circuit breaker. It combines fault protection, high operational safety, and minimal maintenance requirements.

  • Installation Flexibility

With its flexible design, RMU electrical panel can meet diverse installation needs, whether for indoor or outdoor applications.

  • Safety Features

Enhanced with internal arc resistance, the unit guarantees operational safety during fault conditions.

  • Automation & Control

You can equip the unit with SCADA-compatible motorisation (on request) to avail advanced automation and real-time control.

  • Environmental Suitability

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.

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Electrical 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
Tank – IP67

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