Outdoor SF6 gas insulated Ring Main Unit with Enclosure 12kV 24kV 40.5kV

  • Outdoor SF6 gas insulated Ring Main Unit with Enclosure 12kV 24kV 40.5kV
Key attributes
Brand ROCKWILL
Model NO. Outdoor SF6 gas insulated Ring Main Unit with Enclosure 12kV 24kV 40.5kV
Rated voltage 40.5kV
Rated normal current 1250A
Rated frequency 50/60Hz
Series RGIS
Product descriptions from the supplier
Description

Product Description

Our SF6 Gas Insulated Metal-Clad Switchgear is a high-performance power distribution solution designed for 3‑phase, 3‑wire, 50/60 Hz electrical systems with rated voltage up to 40.5 kV.This switchgear can be equipped with horizontally or vertically installed vacuum circuit breakers, and integrates high-quality vacuum circuit breakers, measuring instruments, protection relays, and auxiliary components in one compact structure.All products are tested and certified by  High Voltage Institute, ensuring stable performance and compliance with international standards.

Key Features

  • Compact structure and high degree of automation
  • High reliability and operational safety
  • Easy extension and flexible configuration
  • Simple installation and cost-effective operation
  • Stable stationary structure design

Main technical specifications

1 Rated voltage kV 7.2/12
2 Rated power frequency withstand voltage kV 40/50/60
3 Rated lightning impulse withstand voltage kV 75/95/125
4 Rated insulating gas pressure,absolute,20℃ KPa 110
5 Rated frequency A 50/60
6 Rated busbar current A up to 3150
7 Rated feeder current A 630/1250/2000
8 Rated short time current 4s kA 20/25/31.5/40
9 Rated short circuit breaking current of circuit breaker kA 20/25/31.5/40
10 Rated short circuit makingcurrent of circuit breaker kA 50/63/80/100
11 Rated filling pressure,absolute,20℃ kPa 130
12 Degree of protection(IEC 60529,DIN VDE 0470)   IP65
13 Dimensions: Height*Depth*Width   2300*1455*600/650

 

1 Rated voltage kV 24/25.8
2 Rated power frequency withstand voltage kV 60/75/85
3 Rated lightning impulse withstand voltage kV 125/145/155
4 Rated insulating gas pressure,absolute,20℃ KPa 110
5 Rated frequency A 50/60
6 Rated busbar current A up to 3150
7 Rated feeder current A 630/1250/2000
8 Rated short time current 4s kA 20/25/31.5/40
9 Rated short circuit breaking current of circuit breaker kA 20/25/31.5/40
10 Rated short circuit making current of circuit breaker kA 50/63/80/100
11 Rated filling pressure,absolute,20℃ kPa 130
12 Degree of protection (IEC 60529,DIN VDE 0470)   IP65
13 Dimensions: Height*Depth*Width   2300*1720*600/650

 

1 Rated voltage kV 33/40.5
2 Rated power frequency withstand voltage kV 85/95/110
3 Rated lightning impulse withstand voltage kV 175/185/200
4 Rated insulating gas pressure,absolute,20℃ KPa 110
5 Rated frequency A 50/60
6 Rated busbar current A up to 3150
7 Rated feeder current A 630/1250/2000
8 Rated short time current 4s kA 20/25/31.5/40
9 Rated short circuit breaking current of circuit breaker kA 20/25/31.5/40
10 Rated short circuit making current of circuit breaker kA 50/63/80/100
11 Rated filling pressure,absolute,20℃ kPa 130
12 Degree of protection(IEC 60529,DIN VDE 0470)   IP65
13 Dimensions: Height*Depth*Width   2400*1760*600/800

Structure & Design

The switchgear is composed of hermetically pressure-sealed bus compartments and circuit breaker compartments filled with SF6 insulating gas.
  • Welded stainless steel enclosure
  • Modular design for easy combination
  • Equipped with pressure relief duct
  • Panels connected by plug-in bus connectors
  • Cable connection via inner cone plug-in system

Environmental Performance

To reduce maintenance workload and extend service life, our engineering team has optimized the product based on extensive test data.
The hermetically sealed primary enclosure provides strong protection against harsh environmental conditions, including:
  • Dust and dirt
  • Moisture and humidity
  • Vermin and insects
  • High-altitude environments

Quality Assurance

Our quality management system fully complies with ISO international standards.Strict testing and manufacturing control ensure long-term stability, safety, and consistency for power distribution systems.
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Whole life care manager
Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.
The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.

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