Suitable for Distribution System of Power Plant, High Building and Some Lines, Such As Petroleum Chemistry and Industry, Metallurgy, Textile, Etc
Applicable for Distribution, Motor Centralized Control, Reactive Power Compensation in Power Generation and Power Supply System of Three Phase Ac 50/60hz, Rated Voltage 380v(400v,600v), Rated Current 4000a and Below, Where Require High Automation and Interfaces with Computers
LV withdrawable switchgear is suitable for distribution system of power plant, high building and some lines, such as petroleum chemistry and industry, metallurgy, textile, etc. It is applicable for distribution, motor centralized control, reactive power compensation in power generation and power supply system of three phase AC 50/60Hz, rated voltage 380V(400V,600V), rated current 4000A and below, where require high automation and interfaces with computers.
1. Ambient temperature: -5 ~+40, daily average +35. It should reduce capacity according to real condition when out of stipulation;
2. Indoor, Altitude 2000m;
3. The change of ambient relative temperature will cause a little moist by accident;
4. The slant between device installation position and vertical section 5%;
5. Occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration.
| 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 busbar | ≤4000 |
| Vertical busbar (mcc) | 1000 | |
| Busbar rated short time withstand current (kA/1s) | 50,80 | |
| Busbar rated peak withstand current (kA/0.1s) | 105, 176 | |
| P. F. test voltage (V/min) | Main circuit | 2500 |
| Auxiliary circuit | 2500 | |
| Busbar | Three phase four wire | A.B.C.PEN |
| Three phase five wire | A.B.C.PEN | |
| Protection degree | IP40 | |
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