Ring Main Units

Features:

1.Flexible 

1)Modular structure,as many combinations/panels as possible

2)Both left and right sides extensible

3)Field assembling enabled

4)Motorization retrofit enabled

2.Safety

1)Single inspection window fitted for checking switch status

2)Multiple interlocking functions to prevent fault operation

3)Protection level of cabinet is IP67

4)Pressure relief device to guarantee worker and equipment safety

3.Compact and Modular Design

1)Dimensions for 12kV standard 3 units is 1000*1380*720

2)Modular design enables field assembling, especially good for application at location with small entrances: mining industry, wind farm, compact secondary substation

4.Applications under extreme conditions

1)Ambient temperature:-45℃ to 55 ℃

2)Altitude: ≤4000m

3)Humidity: daily average≤95%  monthly average≤90%

4)Earthquake intensity ＜ 8

Main Technical Data

V---Circuit breaker cabinet

C---Load break switch cabinet

F---Load break switch and fuse combination