Cavanna GIS RMU

Gas Insulated Switchgear:

We can provide a series of SF6 RMU components and also give the technical supporting for valued customers to produce SF6 RMU. 

  • Incoming cabinets(C cabinet)
  • Fuse cabinets(F cabinet)
  • Vcb cabinets(V cabinet)
  • PT cabinets(PT cabinet)

Gas Insulated Switchgear Common combination of cabinet as follow:

  • C+C+C
  • C+C+F
  • C+F+C
  • C+V+V
  • C+C+F+F
  • C+V+V+PT

gas electric switch, us SF6  gas as insulating medium for breaker and switchgear.

ItemUnitC CabinetF CabinetV CabinetCB Cabinet
LBSLBS+FuseVacuum circuit switchDisconnecting switch
/ground switch
Vacuum circuit breakerDisconnecting switch
/ground switch
Rated voltageKV 1212121212
Rated frequencyHZ505050505050
Withstand voltageKV42/4842/4842/4842/4842/4842/48
Rated current A630 630 1250/630 
Breaking capacity       
Rated open circuit currentA630     
Rated peak withstand currentkA50     
Rated short-time withstand currentkA/3520     
Rated short circuit breaking currentkA 31.520 25 
Rated transfer currentA 1700    
Max fuse currentA 125    
mechanical service lifeTime500030005000200050005000


Non-extended standard modules of gas insulated switchgear:

Each module of the CA-SRM switch cabinet has the following configuration:

D cabinet – Lifting module,
Standard feature in “Cable connection module without grounding switch “
C cabinet – Load switch module
Standard feature in “Load Switch Module”
F cabinet – load switch fuse combined electrical module
Standard feature in “load switch fuse combination electrical module”
V cabinet – Vacuum switch module
Standard feature in Vacuum Switch Module

Capacitive voltage indicator for linear access bushings
SF6 density gauge is installed in each chamber
Hanging lugs for lifting
operating handle

gas insulated switchgear

General common gas tank combination:

Basic Functional Modules - Expansionable gas insulated switchgear

C cabinet – Load switch module (width =325mm)
De cabinet – Cable connection module with grounding knife (width =325mm)
D cabinet – cable connection module without grounding knife (width =325mm)
F cabinet – Load switch fuse combined electrical module (width =325mm)
V cabinet – Vacuum switch module (width =325mm)
SL cabinet – bus block switch module (load switch)(width =325mm)
SvBr cabinet – bus segment switch module (vacuum switch)( width =650mm)
Be cabinet – bus grounding module (width =325mm)
M/PT cabinet – meter module 12KV(width =650mm)
Meter module 24KV(width =900mm)
CB cabinet – Vacuum circuit breaker module (width =650mm)
Single CA-SRM module can only be used with an extension header. All width base on 12/24kV.