GST NO : 24AAHCG7888C1ZD | PAN / IEC NO : AAHCG7888C
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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.

The Arista S range of RMU is provided with our proven Vacuum Interrupters along with Numerical Relays and accessories.

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 Specs

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

Quality

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.