Shanghai Hengbin Electrical Co., Ltd.

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Solid-insulated metal-clad switchgear cabinet SGR-12 for rated voltage up to 12 kV rated current up to 1250A

                   

  

Solid-insulated metal-clad switchgear cabinet SGR-12 for rated voltage up to 12 kV rated current up to 1250A 3-phase Alternating Current 50 Hz is designed for inside installation in switchgears for power distribution in networks,  industrial plants and mine substations.

            Advantages:

Solid RMU module 3-in-1

Solid RMU module 3-in-1 has spring-motor type mechanism for operating Vacuum circuit breaker (VCB), disconnector and earthing switch (DES).

VCB and DES are made inside the solid epoxy shell, which gives additional safety for maintenance staff.

DES has 3 positions: DS ON, DS OFF and ES ON. DS OFF position is made for testing incoming/outgoing cable.

Bottom part with cable outlets are made with shielding covering.

Cable outlet can be made with inductive voltage indicator inside.

Technical parameters

Parameter

Value

Rated voltage, kV

... 12

Ratedcurrent, А

...1250

Main busbar rated current, А

...1250

Rated short current, кА

...20

Rated short-duration withstand current, kA

...20

Rated peak withstand current, kA

...50

Dimensions, mm

Height, 1500
Width, 400/460       
Depth, 800

 

460 mm - width for FUSE configuration cabinet. 

          

Typical configuration design for Switchgear cabinet SGR-12:

A – Operation mechanism partition
B – Main busbars partition
C – Cable partition
D – Protection relay partition

 

Typical single line diagram for SGR-12