11kV Ring Main Unit

Previous Switchgear Product

11kV Ring Main Unit Product Details:


Electric ratings: system voltage 12kV, rated current upto 630A, AC50HZ-60HZ

Especially it is suitable in power supply load density greatly and the industry business zone or rural area villages and towns of cable feed network .At the same time RUM is safety in use, not bullied waits influence, installs easy, keeps in repair few and save place, and is fit for loading in box type substation very much, load switch or the load switch-fuse combination the electrical apparatus in RMU also can be used as complete switchgear by self.


Working Condition

Ø  Ambient temperature: -5℃~+40℃

Ø  Altitude:≤1000m

Ø Humidity:

²  daily average ≤95%

² Monthly average ≤90%

Ø  Earthquake intensity: ≤ magnitude 8

Ø  Applicable in places without corrosive and flammable gas.

Note: customerized products are available as required.


Ø  IEC 60298 A.C. Metal-Enclosed Switchgear and Controlgear for Rated Voltages above 1 kV and up to and Including 52 kV

Ø IEC 62271-1 (2007-10). High-voltage switchgear and controlgear



Ø  Easy installation
²  Reduced dimensions and weight

²  Mimic diagram and indicators on front panel

²  All switchgear removable from the front for easy maintenance

Ø  Personnel safety

²  Segregated busbar and cable compartments

²  Inspection windows on cable compartment

²  Mechanical interlocks

11kV Ring Main Unit Related Products: