Ring Main Unit Supplier and Exporter
We supply compact ring main units for secondary distribution and ring networks, in gas-insulated, air-insulated and solid-insulated designs. RMUs are configured with load break switches, circuit breakers and motorisation for SCADA as required.
Ring Main Units specifications
Typical specifications buyers request. Exact ratings, availability and lead time are confirmed in each quotation.
| Rated voltage | Typically 12 kV to 36 kV |
|---|---|
| Insulation | SF6, air or solid insulation |
| Configuration | Extensible or non-extensible, e.g. RRV, RRT |
| Automation | Motorised operation and SCADA interface |
| Installation | Indoor or outdoor enclosures |
Standards commonly specified
- IEC 62271-200
- IEC 62271-103
- IEC 62271-105
Applications
Where our ring main units are typically used.
- Utility ring networks
- Compact and package substations
- Commercial complexes
- Solar plant evacuation
Before you request a quote
- Configuration
- Specify the number of ring switches and transformer feeders, such as RRV.
- Automation
- Motorised RMUs allow remote switching from SCADA.
- Insulation medium
- Check destination rules on SF6 and consider alternatives.
Ring Main Units: common questions
More answers on the FAQ page.
It switches and protects a distribution transformer connected to a ring network, keeping supply available if one side of the ring fails.
Enquiries for air- or solid-insulated RMUs are accepted; availability is confirmed per requirement.
Yes, motorised operation and remote terminal interfaces can be specified.
Related products
Request a Ring Main Unit Quote
Send a short description of what you need. We'll review it and get back to you with a quotation.
Helpful to include
- Rated voltage
- Insulation
- Configuration
- Automation
- Quantity and destination country
Send an enquiry
We'll review your requirement and get back to you.
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