GCK low-voltage withdrawable switchgear
Product Description
GCK low-voltage withdrawable switchgear is suitable for three-phase AC 50, 60HZ, rated voltage 660V, rated current 4000A and below in three-phase four wire and three-phase five wire power systems, used for receiving and distributing electrical energy. Widely used in power plants, substations, factories and mining enterprises, as well as power distribution center PCs and motor control center MCCs in high-rise buildings.
This product meets the following standards: National standard GB7251.1-2005 "Low voltage switchgear"; National professional standard ZBK36001 "Low voltage withdrawable switchgear" JB/T9661-1999; International standard IEC439-1 "Low voltage switchgear and control equipment".
Normal usage conditions
1. The ambient air temperature shall not exceed+40C; Not less than -15C; And its average temperature within 24 hours shall not exceed+35C;
2. The relative humidity of the surrounding air should not exceed 50% at the highest temperature of+40C, and larger relative humidity is allowed at lower temperatures, such as 90% at+20C. However, it should be considered that moderate condensation may occur accidentally due to temperature changes;
3. For indoor use, the altitude of the location of use shall not exceed 2000m;
4. It should be installed in a place without severe vibration and impact, as well as in a place where electrical components cannot be used and are subject to corrosion
Technical parameter
| Item | Parameter |
|---|---|
| Rated Insulation Voltage | AC 660V, AC 1000V |
| Rated Working Voltage | AC 380V, AC 660V |
| Rated Current of Horizontal Busbar | 1250A, 1600A, 2000A, 2500A, 3200A, 4000A |
| Rated Current of Vertical Busbar | 1000A |
| Maximum Current of Feeding Circuit | 2500A |
| Maximum Current of Drawer Circuit | 500A |
| Maximum Capacity of Control Motor | 320kW |
| Rated Frequency | 50HZ |
| Peak Withstand Current of Horizontal Busbar (0.1s) | 105kA, 176kA |
| Short-time Withstand Current of Horizontal Busbar (1s) | 50kA, 80kA |
| Peak Withstand Current of Vertical Busbar (0.1s) | 105kA |
| Short-time Withstand Current of Vertical Busbar (1s) | 50kA |
| Rated Power Frequency Withstand Voltage (1min) | 2500V |
| Secondary Power Frequency Withstand Voltage (1min) | 2500V |
| Enclosure Protection Class | IP30, IP40 |
| Overall Dimension | Width 600(800,1000) × Depth 800(1000) × Height 2200 |
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