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Low Voltage Extractive Switchgear,
3phase Low Voltage Distribution Switchgear
The GGD AC low voltage distribution switchgear
The GGD AC low voltage distribution switchgear is applied to certain distribution system of AC 50/60Hz, rated voltage 400V, rated current being 3150A or lower, in power plant, transformer substation, mining enterprise etc, this product is mainly used for power transforming, distributing and controlling of power equipment, lighting and distribution equipment.
The GGD AC low-volt distribution switchgear conforms with technique demand of IEC439 low-volt complete set switch equipment and control equipment and GB7251.1 low-volt complete set switch equipment etc.
|Normal service conditions of switchgear as follows:|
|Maximum 24 hour average||+35°C|
|Minimum (according to minus 15 indoor classes)||-5°C|
|Daily average relative humidity||less than 95%|
|Monthly average relative humidity||less than 90%|
|Earthquake intensity||less than 8 degree|
|Height above sea level||less than 2000m|
|Rated voltage||V||400 / 690|
|Rated insulation voltage||V||690/1000|
|Rated frequency||Hz||50 / 60|
|Rated main bus bar max. current||A||3150|
|Rated short time withstand current of main bus bar (1s)||kA||50/80|
|Rated short time peak withstand current of main bus bar||kA||105/176|
|Rated distribution bus bar current||A||1000|
|Degree of protection||IP30,IP40|
The GGD AC low voltage distribution switchgear adopts the form of general switchgear , the frame is welded by 8 MF cold bending steel, and the frame parts and special supporting parts are processed by NC equipment to ensure the precision and quality of the cabinet body.
The parts of the general cabinet are designed according to the principle of the module, and there are 20 mold installation holes, the general coefficient is high. can make the factory achieve pre-production.
Heat dissipation in the operation of the cabinet is fully considered in the design of the GGD switchgear . the sealed switchgear body forms a natural ventilation channel from the bottom up to achieve the purpose of heat dissipation.
The cabinet door is connected with the cabinet frame by hinges, without adjustment and easy installation.
The switchgear surface adopts electrostatic spraying, strong adhesion and good texture. The whole cabinet into a matte tone, avoid glare effect, for the duty personnel to create a more comfortable environment.
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