NXAIR S Switchgear with Draw-out Circuit-breaker, Air-insulated

Frequency  50Hz-

Rated short-duration power-frequency withstand voltage (phase to phase, phase to earth) 
32,36kV-42,48kV

Rated lightning impulse withstand voltage (phase to phase, phase to earth)
60,70kV-75,85kV

Rated short-circuit breaking current  Max  40kA

Rated short-time withstand current  4s, max  40kA

Rated short-circuit making current   max  100kA

Rated peak withstand current   max  100kA

Busbar current  max   3150A

Feeders current   max  3150A

Protection degree  standard  IP4X

Width  800mm

Height  2150(25/31.5kA)mm

Depth  1350(25/31.5kA)mm

Fulfill category LSC2B PM, metal-closed and metal-clad switchgear with withdrawable VCB.

Minimum space requirements due to compact design.

Installed with the latest SION VCB

Cable connection could be from the front or the rear, and the height of cable connection terminal is 710mm, making easy check and maintenance possible.

Service truck is not only moving, but lifting on site.

Separate pressure releasing passage of each partition room.

Switchgear with internal arc classification IAC A FLR (1s)

The use of bushing-type transformer (combination of post insulator, current measurement and partition)

The operations can go on only when the HV-door is closed.

Reliable logical mechanical interlocking system.

The use of standard components available worldwide, easy procurement.

Beijing PSB 

Beijing Fengtai Sports Center

Zhenghua Harbour

Sichuan Oil Field