GCK Low Voltage Withdrawble Switchgear

GCK Low Voltage Withdrawble Switchgear

Introduction:

 

GCK low voltage withdraw type switchgear can be applied on 660 V, AC 50 Hz power system for electric power distribution and motor control in various industry field and building. This product can fulfill the requirements of GB7251.1《Low-Voltage Switchgear and Controlgear Assemblies》& ZBK36001-89
《Low Voltage withdrawal switchgear》 while IEC60439《Low-Voltage Switchgear and Controlgear Assemblies》was referred.

 

Normal Operation Condition:

 
  1. Ambient temperatute:-5 ℃~+40 ℃. 24hours average temperature should be less than +35 ℃.
  2. Altitude under sea level 2000 m.
  3. Relative humidity below 50 % (monthly average value and base on 40 ℃).
  4. Not surrounded by corrosion or flammable gas, vapor.
  5. Not frequently happen to severe vibration.
  6. Any condition which deviates from the above items can be considered by further discussion.
 
 
 
 

Main technical data:

 
Item
Unit
Specification
Rated Voltage
V
380
Rated Insulation Level
V
660
Rated Current
Horizontal Bus
A
4000
Vertical Bus
A
630-2000
Rated Short Time Current(4s)
Horizontal Bus
kA
80
Vertical Bus
kA
35, 50
Rated Peak Withstand Current
Horizontal Bus
kA
176
Vertical Bus
kA
63, 105
Enclosure Protection Degree
  
IP40

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