Low Voltage Withdrawable Switchgear
GCS low voltage withdrawable switchgear is designed according to the requirements of industry sectors, most electricity users and design companies. With high technical performance indicators, it can adapt to the development needs of the electricity market. This switchgear is widely used in power...
Description
GCS low voltage withdrawable switchgear is designed according to the requirements of industry sectors, most electricity users and design companies. With high technical performance indicators, it can adapt to the development needs of the electricity market. This switchgear is widely used in power distribution systems in power plants, petroleum, chemical, metallurgy, textiles and high-rise buildings. It is used as a complete low-voltage power distribution equipment for three-phase AC, 50 Hz / 60 Hz, 380 V / 400 V / 660 V rated voltage, 4000 A rated current power generation and power supply system. It is also used where there is a high degree of automation and a computer interface connection is required, such as large power plants and petrochemical systems.
Working conditions of GCS low voltage switchgear:
Temperature range: -5°C to +40°C, the average temperature within 24 hours should not exceed +35°C.
Altitude: ≤2000 m, indoor application.
At the highest temperature +40°C, the relative humidity should not exceed 50%, and at a lower temperature (90% at +20°C), a higher relative humidity is allowed. Due to the temperature range, condensation may occur, so this phenomenon should be considered.
Inclination: ≤5°, vertical installation.
The workplace should avoid fire, explosion, severe vibration and chemical corrosion.
Note: If you have special requirements, please contact us in time.
Technical parameters
| Items | Parameters | |
|---|---|---|
| Main circuit rated voltage (V) | AC 380 (400) (600) | |
| Auxiliary circuit rated voltage (V) | AC 220/380 (400) | |
| DC 110/220 | ||
| Rated frequency (Hz) | 50 (60) | |
| Rated insulation voltage (V) | 660 (1000) | |
| Rated current (A) | Horizontal bus-bar | ≤ 4000 |
| Vertical bus-bar (MCC) | 1000 | |
| Bus-bar rated short-time withstand current (kA/1 s) | 50/80 | |
| Bus-bar rated peak withstand current (kA/0.1 s) | 105/176 | |
| Power frequency testing voltage (V/1 min) | Main circuit | 2500 |
| Auxiliary circuit | 1760 | |
| Bus-bar | Three phase four wire system | A.B.C.PEN |
| Three phase five wire system | A.B.C.PE.N | |
| Protection degree | IP3L0/IP4L0 | |
Structural features:
The main frame of the switch cabinet is made of 8MF steel, and the frame is assembled or partially welded. All main frames are equipped with modular holes E = 20 mm. All functional rooms of the switchgear are strictly separated. The carriage includes a function room, a busbar room and a cable room. The function of each unit is relatively independent.
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