Ring-Main-Unit

Ring Main Unit (RMU) Manufacturer & Supplier

Expert Engineers offers reliable and high-performance Ring Main Units (RMUs) designed for safe, efficient, and continuous medium-voltage power distribution. Our RMUs provide compact switching, protection, isolation, and control solutions for electrical distribution networks where reliability and operational safety are essential.

Engineered for demanding industrial and commercial applications, our Ring Main Units are designed to optimize power distribution while minimizing installation space and maintenance requirements. Expert Engineers focuses on quality construction, dependable performance, and application-oriented electrical solutions.

Technical Specification

Voltage Class 11KV / 22kv / 33kV
Configuration 2 Way / 3 Way/4 Way / As per Client Requirement
Switch Type SF6 Insulated Load Break Switch / Vacuum Circuit Breaker
Short Circuit Rating Short Circuit Rating* | 21KA / 26.3KA
Construction SF6 Gas Insulated, Stainless Steel Tank
Protection Relay Numerical Relay / Electromechanical (As required)
Ingress Protection IP54 / IP67
Control Supply 24V DC / 30V DC / 110V DC
Interlocking Mechanical & Electrical Interlocking
Safety Features Explosion-Proof Design, Pressure Relief
Standards IEC 60265/IEC 62271-200
Application Distribution Networks, Ring Feeders, Utilities

Key Features of Ring Main Unit

  • Compact and space-saving switchgear design

  • Reliable medium-voltage power distribution

  • Safe switching and circuit isolation

  • Robust and durable construction

  • Efficient fault protection

  • Low maintenance requirements

  • Suitable for indoor and outdoor applications

  • Designed for reliable continuous operation

  • Flexible configuration based on application requirements

  • Easy integration with electrical distribution systems

Applications of RMU

Expert Engineers Ring Main Units can be used across a wide range of electrical power distribution applications, including:

  • Industrial power distribution systems

  • Commercial and residential complexes

  • Electrical substations

  • Manufacturing facilities

  • Infrastructure and utility projects

  • Solar power plants

  • Wind power projects

  • Data centers

  • Hospitals and institutional buildings

  • Large commercial facilities

Expert Engineers is a trusted Ring Main Unit (RMU) manufacturer, exporter and supplier offering reliable and high-performance RMU solutions for medium-voltage power distribution systems. Our 11kV, 22kV and 33kV Ring Main Units are designed for safe switching, circuit isolation, protection and efficient power distribution across industrial, commercial and utility applications. With compact construction, robust design, low maintenance requirements and flexible configurations, our RMUs are suitable for electrical substations, manufacturing facilities, infrastructure projects, solar power plants, wind power projects, data centers and large commercial installations. Based in Ahmedabad, Gujarat, India, Expert Engineers focuses on delivering application-oriented electrical switchgear solutions with dependable performance and operational safety. we are also manufacturer, exporter and supplier of siemens RMU and siemens Ring Main Unit in ahmedabad, gujarat, india.
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