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Low-voltage switchgear GCS Low-Voltage Withdrawable Switchgear

GCS Low-Voltage Withdrawable Switchgear

Rated voltage<1kV
Rated Frequency50Hz
Application scenariosSuitable for distribution systems in power plants, petroleum, chemical industry, metallurgy, textile, and high-rise building industries

Overview

The  GCS  LV  withdrawable  switchgear  (hereinafter  referred  to  as  the  device)was  developed  according  to  the  requirements of  the  industry’s  competent  department,numerous  electric  users  and  design  unit  by  the  original  state  mechanical department,and  the  united  design  group  of  the  power  department.It  conforms  to  national  conditions  and  has  a  higher

technical  performance  index,adapts  to  the  demands  for  power  market  development  and  is  able  to  compete  with  available imported    products.

The  device  is  applicable  to  the  distribution  systems  of  power  stations,petroleum,chemical  engineering,metallurgy,

weaving,and  high-rise  building  industries,etc.In  the  places  where  have  high  automaticity  and  need  computers  to  join,  such  as   large-scale  power  stations  and   petrochemical  industry  systems,etc.,it   is  the   low-voltage  complete  distribution device  that  used  in  the  generating  and  power  supply  systems  with  three-phase  AC  50(60)Hz,rated  working  voltage  of  380V,rated  current  of  4000A  and   below  for  distribution,motor  central  control,and   reactive  power  compensation.

The device complies with standards  IEC 439-1  and  GB  7251.1.

Features

+The main framework adopts 8MF profile steel.Both sides of the profile steel are punched with φ9.2mm mounting hole with a modulus of 20mm and 100mm respectively.Inner installation is flexible and easy.

+Two types of assembly form design for the main framework,full assembly structure and partial (sideframe and cross rail)welding structure for user selection.

+Each function compartment of a device is isolated.There are three parts:function unit compartments,busbar compartments,and cable compartments.Each one has a relatively independent function.

+Horizontal busbar is arranged horizontally in the back of the cabinet,to increase its ability to resist electrodynamic force. It is the basic measure to obtain high short-。

+The cable compartment design makes it convenient for cable incom ing and outgoing from upper and lower part.

Environmental Conditions

a Altitude above sea level should not exceed 2000m;

b  The installation gradient should not exceed 5°;

C Ambient air temperature:-5°℃~+40℃ and the average temperature should not exceed +35℃ in 24h;

d   At maximum temperature,relative humidity should not exceed 50%.Higher relative humidity is allowed at lower temperatures,eg.90%at+20℃.But  in view of the temperature  change,it  is  possible  that  moderate  condensation will be produced casually;

e The installation gradient should not exceed 5°;

f There  is  no  dust,corrosive  gases,or  rainwater  indoor.

 

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