Product Introduction
1.Product Introduction
GCK low-voltage withdrawable switchgear consists of power distribution centre (PC) cabinet and motor control centre (MCC) two parts, suitable for power plants, substations, industrial and mining enterprises and other power users as AC 50Hz, the maximum working voltage up to 660V, the maximum working current up to 3150A power distribution system, as power distribution, motor control, and lighting and other distribution equipment, power conversion and distribution control. It is used for power distribution, motor control, lighting and other power distribution equipment.
GCK low-voltage withdrawable switchgear consists of power distribution centre (PC) cabinet and motor control centre (MCC) two parts, suitable for power plants, substations, industrial and mining enterprises and other power users as AC 50Hz, the maximum working voltage up to 660V, the maximum working current up to 3150A power distribution system, as power distribution, motor control, and lighting and other distribution equipment, power conversion and distribution control. It is used for power distribution, motor control, lighting and other power distribution equipment.
2.Model Number and Meaning

3.Conditions of Use
>Altitude not exceeding 2000m above sea level.
>Ambient air temperature not higher than +40C and averaged over a 24h period not higher than +35C and ambient air temperature not lower than -50C °C.
>Atmospheric conditions: clean air, relative humidity not exceeding 50% at a temperature of +40C Higher relative humidity is permitted at lower temperatures, e.g. 90% at +20C.
>No fire, explosion danger, serious dirt, chemical corrosion and violent vibration of the place.
>Not more than 5° inclined to the vertical.
>This product is suitable for transport and storage at the following temperatures:-25℃℃~+55℃, and within a short period of time (not exceeding 24h) not exceeding +70'°C.
>Ambient air temperature not higher than +40C and averaged over a 24h period not higher than +35C and ambient air temperature not lower than -50C °C.
>Atmospheric conditions: clean air, relative humidity not exceeding 50% at a temperature of +40C Higher relative humidity is permitted at lower temperatures, e.g. 90% at +20C.
>No fire, explosion danger, serious dirt, chemical corrosion and violent vibration of the place.
>Not more than 5° inclined to the vertical.
>This product is suitable for transport and storage at the following temperatures:-25℃℃~+55℃, and within a short period of time (not exceeding 24h) not exceeding +70'°C.
If the above conditions of use can not be met, should be proposed by the user in the order to our company, negotiation solution.
4.Technical Parameters
| Name | Parameter |
|---|---|
| Rated operating frequency (Hz) | 50 |
| Rated operating voltage (V) | 380, 660 |
| Rated insulation voltage (V) | 660 |
| Rated operating current (A) - Horizontal busbar | 630 - 3150 |
| Rated operating current (A) - Vertical busbar | 600 |
| Rated short-time withstand current - Horizontal busbar | 80kA (effective value)/1s |
| Rated short-time withstand current - Vertical busbar | 50kA (effective value)/1s |
| Rated peak withstand current - Horizontal busbar | 176kA/0.1s |
| Rated peak withstand current - Vertical busbar | 110kA/0.1s |
| Main circuit connector (A) | 200, 400 |
| Auxiliary circuit connector (A) | 10 |
| Power frequency withstand voltage for 1 minute (V) | 2500 |
| Protection class | IP40 |
| Operation mode | Local, remote, automatic |
5. Installation Dimension Drawing

6. Ordering instructions
The following technical information should be provided when ordering:
primary circuit scheme number, equipment type, capacity and single line system diagram;
secondary circuit schematic diagram if the user does not provide the requirements, the manufacturer in accordance with the standard;
arrangement of switchgear and the layout of the distribution room;
main busbar specifications do not provide the requirements of the manufacturer in accordance with the standard;
surface colour of the switchgear (manufacturer's standard colour: light soybean colour);
if If users have other requirements, they can negotiate with our factory.
primary circuit scheme number, equipment type, capacity and single line system diagram;
secondary circuit schematic diagram if the user does not provide the requirements, the manufacturer in accordance with the standard;
arrangement of switchgear and the layout of the distribution room;
main busbar specifications do not provide the requirements of the manufacturer in accordance with the standard;
surface colour of the switchgear (manufacturer's standard colour: light soybean colour);
if If users have other requirements, they can negotiate with our factory.
