Schneider T2 Ring Main Unit – SF₆-Insulated Smart Distribution

The Schneider T2 Ring Main Unit is a modern, SF₆-insulated medium-voltage switchgear solution designed for reliable performance in utility, industrial, and urban distribution networks. Its compact build, sealed-for-life construction, and advanced monitoring capabilities make it a strong fit for installations where safety, efficiency, and long-term reliability are essential.

Overview

Built for primary and secondary distribution up to 36kV, this RMU features air-insulated cable boxes, fused switching configurations, and optional smart enhancements such as EFI and CT integration. Its modular, extendable design allows power networks to adapt to future expansion and automation requirements without increasing operational complexity.

Key Features

• Voltage rating up to 36 kV

• SF₆ gas insulation with sealed compartments

• T-OFF fused or circuit breaker fused switching

• Three air-insulated cable boxes

• Compatible with EFI and CT monitoring systems

• Extendable, modular configuration

• Robust metal-clad enclosure

Benefits

This RMU is engineered to deliver dependable performance in demanding MV environments. Its internal arc-rated design maximises operator safety, while low gas leakage ensures long-term stability with minimal servicing. Network operators benefit from enhanced visibility when EFI and CT add-ons are used, enabling improved fault detection and load management. The compact structure helps reduce installation space, making it ideal for dense substations or restricted footprints.

Applications

This switchgear system supports a wide range of distribution scenarios, including:

• • Urban medium-voltage grids

  • Smart-grid automation projects

  • Industrial and commercial substations

  • Renewable energy tie-ins and IPP installations