GCK series

Item Code: Features:
  • Description

I Overview

GCK type low voltage switchgear (hereinafter referred to as the device) is suitable for AC 50Hz, rated working voltage 400V, rated current 4000A and below the low-voltage power grid, for power generation, transmission and distribution system as dynamic lighting, power conversion, Protection and Control and other occasions.All types of devices through pilot projects (TTA) and National Compulsory Certification (CCC), and after a long trial run assessment.

Device complies with GB7251.1-2005 and JB/T9961 standards.

II Environment conditions

♦ Indoor installation.

♦ The ambient temperature is not higher than +40 ℃, not less than -5 ℃, and 24h average temperature does not exceed the +35 ℃.

♦ Air cleaner, the relative humidity at the highest ambient temperature of +40 ℃not more than 50% in the lower temperature allows a higher humidity, as in +20 ℃, relative humidity of 90%, and allow accidental temperature changes a small amount of condensation produced:

♦ altitude does not exceed 2000m.

♦ Pollution degree: 3.

♦ during transportation and storage temperature of -25 ℃~ +55 ℃, in a short time (less than 24h) up to +70 ℃.

♦ device used in some of the electrical components and accessories do not meet these conditions and conditions of use does not match with the normal conditions, by the manufacturer and user consultation.

III Technical parameters

 

Rated voltage Ue V

400

400

Rated insulation voltage Ui V

690

690

Rated current In A

The level bus

630~1600

1000~2500

2500~4000

Vertical bus

1000,1250

Rated short time withstand current Icw(1s)  kA

The level bus

30

50

80

Vertical bus

30

50

50

Rated peak withstand current Ipk  kA

The level bus

63

105

176

Vertical bus

63

105

105

Protecpion class

IP30、IP40

 

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