GCS type low voltage withdrawable switch cabinet
GCS type low voltage withdrawable switch cabinet
Tel: 86-513-88780188
GCS type low voltage withdrawable switch cabinet
Product Description
Overview
GCS type low-voltage withdrawable switchgear (hereinafter referred to as the device) is a joint design group of two, designed and developed according to the requirements of the industry authorities, the majority of power users and design units, which meets the national conditions, has high technical performance indicators, and can adapt to the power market Withdrawable low-voltage switchgear that is required for development and can compete with the existing imported products. The device complies with international standards, IEC439-I "Low-voltage switchgear and control equipment", national standard GB7251.12-2013 "Low-voltage switchgear", and ZBK36001-89 "low-voltage withdrawable switchgear".
The device is suitable for power distribution systems in power plants, petroleum, chemical, metallurgy, textiles, high-rise buildings and other industries. In large power plants, petrochemical systems and other places where the degree of automation is high and the computer interface is required, it is used as a three-phase AC frequency of 50 ( 60)Hz, rated working voltage is 380V (400), (690), rated current is 4000A and below power distribution in power generation and power supply system, electric motor centralized control, low-voltage complete set of power distribution equipment used for reactive power compensation.
Structural features
The frame adopts 8MF cold-rolled profile, and the two sides of the profile have Ф9 mounting holes with modulus of 20mm and 100mm respectively, making the frame assembly flexible and convenient.
The side frame assembly form of the frame is designed into two types, fully assembled structure and partial (side frame and beam) welded structure, for users to choose.
The functional rooms of the device are isolated from each other, and the compartments are divided into functional unit rooms, busbar rooms and cable rooms. The role of each chamber is relatively independent.
The horizontal main busbar adopts a horizontal arrangement behind the cabinet to enhance the resistance of the busbar against electric power. It is a basic measure for the main circuit of the device to have high short-circuit strength.
The design of the cable compartment makes it very convenient for cables to enter and exit up and down.
Use environmental conditions
Is used for indoor installation:
The ambient air temperature is not higher than +40℃, not lower than -5℃, and its average temperature is not higher than +35℃ within 24 hours.
The air is clean and there is no explosive gas, corrosive gas and conductive dust.
The relative humidity does not exceed 50% when the highest temperature is +40℃, and higher relative humidity is allowed at lower temperatures, such as 90% at +20℃, but it should be considered that due to temperature changes, there may be accidents Ground produces moderate condensation.
The altitude does not exceed 2000m.
The temperature during transportation and storage can be in the range of -25°C • +55°C, and in a short time (not more than 24h), the temperature can reach +70°C.
Technical performance parameters
| Rated voltage(V) of main circuit |
AC380(400)、(600)
|
|
| Rated voltage(V) of subsidiary circuit |
AG220、380(400)
Dc110、 220 |
|
| Rated frequences(Hz) |
50(60)
|
|
| Rated insulation volaage(V) |
660(1000)
|
|
| Rated current(A) | Horizontal busbar |
≤4000
|
| Vertical busbar(MCC) |
1000
|
|
| Rated short withstand current of busbar(KA/1s) |
50, 80
|
|
| Rated crest current of busbar(KA/0.1s) |
105、 176
|
|
| Test volaage(V/1s) | LS circuit |
2500
|
| Subsidiary circuit |
2500
|
|
| Busbar | 3 Phase 4 line system |
A、B、C、PEN
|
| 3 Phase 5 line system |
A、B、C、N、PE
|
|
| Protect ion grade |
IP30
|
|
Keyword:
low
power
rated
busbar
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