Ring Main Unit with Enclosure

Certification
CCC, ISO9001
Installation
Removable
Structure
Cabinet
Shell Material
Steel Plate
Voltage Level
High Voltage
Current
AC
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Ring Main Unit with Enclosure

Description

General
SF6 Gas Insulated Metal-clad switchgear, RGIS-G20 designed up to 40.5kV 3-phase 3 wire 50/60 Hz system.
The switchgear voltage rate up to 40.5kV and has horizontally or Vertically-installed vacuum circuit breakers.The switchgear includes vacuum circuit breakers, meters, relays, etc. The switchgear is certified by Xi'an High Voltage Institute.

Features
Compactness, Automation,
High Reliability and Safety, Easy Expansion,
Simple Installation, Economy.
Stationary Structure
The switchgear consists of bus compartments and a circuit breaker compartment that are hermetically pressure sealed with SF6 gas.
●Welded stainless steel enclosure
●Modular design
●Duct for pressure relief
●Panels coupled by plug in bus connectors
●Cable connection inner cone plug in system

Environmental Qualification
in order to simplifying the switchgear equipment maintenance and extending service life,We analyzed the test data and upgraded the product.
Hermetically-sealed primary enclosure for protection against environmental conditions (dirt, moisture,  vermin, insects and high altitudes).

Quality Assurance
The program comply with the requirement ofISO fully.

RGIS-12

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

RGIS-24

Main technical specifications

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 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*1720*600/650

RGIS-40.5

Main technical specifications

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 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   2400*1760*600/800

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