Description
Overview
GCK low voltage withdrawable switchgear is composed of a power distribution center (PC) cabinet and motor control center (MCC), which is suitable for power plant, substation, industrial and mining As an AC 50/60hz, the maximum working voltage is 690V and the maximum working current is 3150A
Types of meaning
Product Parameters
| Sr. | Content | Unit | Value | |
| 1 | Rated Operating Voltage | V | 380/690 | |
| 2 | Rated Insulation Voltage | V | 660/1000 | |
| 3 | Rated Frequency | Hz | 50 | |
| 4 | Main Bus-Bar | Rated Current | A | <3150 |
| Rated Short-time Withstand Current(ls) | kA | <80 | ||
| Rated Peak Withstand Current | kA | <143 | ||
| 5 | Distribution Bus | Rated Current | A | <1000 |
| Rated Short-time Withstand Current(ls) | kA | <50 | ||
| Rated Peak Withstand Current | kA | <105 | ||
| 6 | Imin Aux. circuit Frequency Withstand Voltage in lmin | kV | 2 | |
| 7 | Rated Impulse Withstand Voltage | kV | 8 | |
| 8 | Protect Degree | IP | The IP54 To IP54 | |
| 9 | Electrical Clearance | mm | >10 | |
| 10 | Creepage Distance | mm | >12.5 | |
| 11 | Over-voltage Level | – | III/IV | |
| 12 | Class of Pollution | – | 3 | |
Product Size Description
Working Conditons
- Operating conditions: indoor
- Altitude: It: 2000m
- The earthquake intensity is not more than 8 degrees
- The upper limit of ambient air temperature: +40ºC
- Upper limit of average temperature for 24 hours: +35ºC
- the lower limit of ambient air temperature:-5ºC
- the relative humidity of the surrounding environment at +40ºC is 50%
- no fire, explosion danger, serious pollution and enough to corrode metal and damage the insulation of gas and other bad places
- No violent vibration, jolting place
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