RMU Up To 36 kV
MV Switchgear
RMU Up To 36 kV
Arista S is Ring Main Unit (RMU) for smart distribution application. The RMU is characterised by its high level of operational Safety and Suitable for Indoor, Outdoor applications up to 36kV.
As the world is moving towards highly compact and reliable power distribution equipment, GIS is emerging as the best solution for MV Primary Power Distribution. ARISTA GIS offers the latest technology with only incremental cost over Air Insulated Switchgear. ARISTA comes with flexible SF6 gas insulated plug-in compartments to suit various network configurations.
| TYPE | RATED VOLTAGE | STANDARD |
| 36kV GIS (ARISTA) | Up to 36kV | IEC, IS |
Features
- Robotically welded, 3 mm thick Stainless Steel Gas Tank ensuring leak free operation
- Compact design for Indoor / Outdoor applications, without Kiosk
- Extensible and Non-Extensible Range
- IP54 & IP67 degree of protection
- Vacuum Interrupter technology for Circuit Breakers with 3 position disconnecting switches
- Fully interlocked operation & Padlocking facility to ensure operators safety
- Motorised Operations & easy integration with SCADA network for Remote Monitoring & Control
- Internal arc classified & fully Type Tested according to IEC standards
- Virtually maintenance free
Technical Specification
| Rated Voltage | kV | 12 | 36 |
| Rated Frequency | Hz | 50 | 50 |
| Rated Current : Switches | A | 630 | 630 |
| Rated Current : Vacuum Circuit Breaker | A | 630 | 630 |
| Power frequency withstand voltage | kV | 38 | 70 |
| Lightning Impulse withstand voltage | kVp | 95 | 170 |
| Short time withstand current (3 Secs) | kA | 21/3s | 26.3/3s |
| Short Circuit Breaking Current | kA | 21 | 26.3 |
| Short Circuit Making Current | KAp | 52.5 | 65.75 |
| Internal Arc Rating – AFLR | KA | 21 | 26.3 |
| Degree of Protection – Enclosure | IP | IP54 | IP54 |
| Degree of Protection – Main Tank | IP | IP67 | IP67 |
| IEC Standards | IEC 62271-100, IEC 62271-200, IEC62271-103, IEC 62271-102, IEC 60529 | ||
| Dimensions (3 Way RMU) | |||
| Width | mm | 1088 | 1750 |
| Depth | mm | 964 | 1243 |
| Height | mm | 1806 | 2090 |
The cubicle contains robotically welded hermetically sealed, stainless steel tank and are safe from internal arc.
CG follows good engineering practices results in to low operating and maintenance cost during the life cycle of equipment. It ensures enhanced reliability and long service life of our product.