Ring Main Unit
Ring Main Unit (RMU) is a compact, sealed metal-enclosed switchgear widely used in Urban Power Distribution Network.
- Complying IEC-62271-200 standard.
- Available in 3 way , 5 way and other combinations.
- SF6 Insulated compact model.
- Out door & Indoor use.
- SCADA compatible motorised unit-on request.
Capacity
Support
Features
SAFE
- Integrated interlocks ensuring fool-proof
Protection. - comprehensive range of key- and padlocking
Options. - Internal Arc tested for 21 kA for 3 sec
SMART TECHNOLOGY
- Remote control and monitoring capability, with open communications.
- Variety of Fault passage indicators are available.
EXTENSIBLE
- Compact size makes installation easy
- Easy to extend through plug in system.
- Spacious cable compartment for MV cable connection.
CONTINUOUS PERFORMANCE
- Key live parts are sealed for life in a SS, SF6-filled tank,
making them impervious to environmental conditions. - Zero maintenance of sealed tank during product lifetime.
Technical Specification
| Description | Specifications | Details |
|---|---|---|
| Rated Voltage |
kV |
12 |
| Insulation Level |
kV peak |
75 |
| Insulation Level |
kV rms |
28 |
| Rated Current |
Amps |
630 |
| Short Time current & duration |
kA rms/ sec |
21 (3sec) |
| Making capacity |
kA peak |
52.5 |
| Protection Degree |
RMU |
IP54 |
| Protection Degree |
Tank |
IP67 |