KYN28A-24 Metal-Clad Movable AC Metal-Enclosed Switchgear

1.General  Description:

KYN28A-24 Metal-Clad Movable AC Metal-Enclosed Switchgear (hereinafter referred to as the switchgear) is suitable for the electric power  system with indoor three-phase of 50/60Hz and rated voltage of 24KV, and mainly applies to Electric power plants, substations, industrial and mining establishments, as well as high-rise buildings for receiving and distributing the electric energy and controlling, protecting, and monitoring the electric circuits. Position by grounding switch, prevention of closing of grounding switch with electricity, and prevention of mistaken entrance into the electrifiedcompartments etc.KYN28A-24 switchgear is the power distribution quipment with advanced technology, stable performance, reasonable structure, convenient use, as well as safety and reliability.It accords with IEC298,IEC694,GB3906,DL404 and DIN.VDE0670.

2.Working condition:

1.Ambient temperature;-10℃----+40℃

2.Relative humidity:daily average ≤95%,monthly average ≤90%

3.Seismic intensity ：≤8

4.Altitude：≤1000m；（Not including special requirement）

5.Service environment：should be avoided fire, explosion risk, serious       pollution, chemical corrosion and violent vibration

Uses should discuss with supplier if working condition exceed above range.

3.Technical data

4.Structure of switchgear

A  Busbar chamber

B handcart chamber

C Cable chamber

D Relay control meter chamber

1. Shell

1.1Pressure relief device

1.2 Control wiring trench

2. Sub-busbar

3.Busbar housing

4.Main busbar

5.Fixed contact device

6.Current transformer

7.Earthing switch

8.Cable

9.Arrester

10. Main earthing busbar

11.Detachable septum

12. Septum

13. Secondary plug

14. handcart

15. Heating device

16. Withdrawable horizontal septum

17. Operating mechanism of earthing switch

18. Baseplate

19. Structure drawing of switchgear