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GCK
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GCK LV Withdrawable switchgear




1.General  Description:

GCK LV withdrawable switchgear is consist of some combined

motor control units and other function units.Those units is assembled in sealed metal cabinet by up and down overlap.  Every cabinet is connected by horizontal busbar in upper cabinet.Meanwhile,Function units in same cabinet is parallel connected onto vertical busbar.Switchgear is divided into horizontal busbar area,vertical busbar area,cable area and device mounting area.The function unit is separately assembled in respective room.It is not affect other unit to prevent accident while any function unit is out of order.

 

Own high breaking and making function,good dynamic stability,flexible wiring plan,easy assembly,novel construction and high protection level.It accords with IEC439,GB7251 and EBK36001 standard.

2.Working condition:

 

 1.Ambient temperature;-5----+40

 2.Altitude:≤2000m(indoor use)

 3.Relative humidity≤95%(when temperature is +20),Maybe there will  be condensation influence because of temperature change,user must     consider it.

   4.Switchgear and vertical surface’s gradient is no more than 5%, and whole switchgear must be put parallel and level.

5.Service environmentshould be avoided fire, explosion risk, serious     pollution, chemical corrosion and violent vibration.User should discuss with supplier while they have special requirements.

 

3.Main technical data

Rated voltage   of main circuitV

AC380

Voltage of   auxiliary circuit V

380

Rated frequency(Hz)

5060

Rated   insulating voltageV

660

Rated currentA

Horizontal   busbar

4000

Vertical busarMCC

1000

Short-time   withstand currentkA/1S

5080

Peak withstand   currentkA/0.1S

105176

Power frequency   testing voltageV/1min

Main circuit

2500

    Auxiliary circuit

1760

Busbar

Three-phase   four-wire system

ABCPEN

Three-phase five-wire   system

ABCPENN

Level of   protection

IP3OIP4O

 

4.Overall and assembly drawing






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