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      Home >   Products  >  Secondary distribution products     

       

      SF6 fully insulated RMU GRM

      Secondary distribution products--SF6 fully insulated RMU GRM



      30 years maintenance-free

      Free from environmental impact,anti condensation,frost,salt fog,

      filthy,corrosion,UV, chemicals and other small animals and can be used in harsh environments.

      All highvoltage live parts and components are all sealed in lowpressure chamber filled with SF6 gas

      compact, miniaturized, lighter, fully insulated,Modular design, different modular combinations 

      to achieve the main connection, combinations can be changed according to users requirements

      forming circuit switching system.

      Using silicone connector for installing high-voltage parts and any extension of cubicle,

      fully shielded cable incoming and outgoing;

      Circuit breaker unit operating mechanism contains a pre-storage operating mechanism.




                  GRM           

      C - module

      F - module

      Vc - module                           (spring mechanism)

      Vc - module                        (magnetic actuators)

      Switch disconnector

      Switch-fuse disconnector

      Vacuum circuit-breaker

      Earthing switch/ disconnector

      Vacuum circuit-breaker

      Earthing switch/ disconnector

      Rated voltage kV

      12/24

      12/24

      12/24

      12/24

      12/24

      12/24

      Power frequency withstand voltage kV

      42/50

      42/50

      42/50

      42/50

      42/50

      42/50

      Lightning impulse withstand voltage kV

      95/125

      95/125

      75/125

      75/125

      75/125

      75/125

      Rated current A

      630 / 630

      See1)

      630 / 630

      630 / 630

      Breaking capacities

      off load cable charging A

      10/10

      Earth fault A

      200/150

      Earth fault cable charging

      115/87

      Short-circuit breaking current kA

      See 2)

      20/16

      20 /16

      Making capacity kA

      50/40

      See 2)

      50/40

      50/40

      50/40

      50/40

      Short time current 3 KA

      20/16

      20/16

      20/16

      Number of mechanical operations

      5000 / 2000

      5000 / 2000

      10000 / 10000

      5000 / 2000

      50000 / 30000

      5000 / 2000


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      Copyright © switch GRENO (XIAMEN) SWITCHGEAR CO., LTD. :+86-592 -5593755 E-mail: sales@greno-switch.com
       Address: Room 101, 201-1, No.95, Huli Industrial Park, Meixi Road,

      Tong'an District, Xiamen City, 361100, Fujian P. R. China 

       

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