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GCK  Low-voltage  withdrawable  switchgear  is  a  complete switchgear assembled with modules  in  factory.  They are divided into power center switchgear(PC), motor control center switchgear (MCC)  and  power  factor autocompensating switchgear. It meets the requirements of IEC60439《Low-voltage complete switch equipment and controller》GB7251.1《Low-voltage complete switch equipment and controller》standard.

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The  switchgear is of a combination structure. The cubicle consists of columns, crossbars,  special pyramdal joints, connecting parts, doors and various mounting plates,which  are punched with steel sheets by means of  a special techno-logy and fixed each other by screws. This kind of  structure prevents the deformation and  stress caused by  welding. The overall dimensions for  the cubicle and its components and all the opening  dimensions are in terms of M of 20mm.(M refers to“module”). The components have  a high generality andadaptability and the whole cubicle has enough michanical strength.  The cubicle is divided into three parts: busbar compartment,cable compartment and assembly compartment.

GCL: The busbar compartment and cable compartment are in the rear part of the cubicle,in the middle of which are mounted horizontal busbars and on the bottom  are fixed N line and PE line through high-strength insulating clips. The coulets have their busbars withdrawn for the  convenience   of   cable connection.  The assembly compartment  is in the front of  the cubicle.

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Rated insulation voltage 660V
Rated operating voltage/main circuit/ancillary circuit 380,660V
Horizontal  busbar rated current 4000A
Vertical  busbar rated current 1000A
Rated short time withstand current 65kA、50kA
Protection degree IP 30

 

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