24kV Earthing Switch
Motorized Indoor AC HV Grounding Switch
1. The height above sea level shall be no more than 1000 meter;2. Ambient air temperature: +40℃~ -25℃
3.Seismic intensity: no more than 8 magnitude...
JN15-24/31.5 Series motorized Indoor HV A.C Earthing Switch
Ambient Condition:
1. The height above sea level shall be no more than 1000 meter;
2. Ambient air temperature: +40℃~ -25℃
3.Seismic intensity: no more than 8 magnitude
4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%
5. Filth degree: II
Main Technical Parameter
|
Item |
Unit |
Data |
||
|
Rated voltage |
kV |
12 |
||
|
Rated short time withstand current |
kA |
31.5 |
||
|
Rated duration of short circuit |
S |
4 |
||
|
Rated short circuit making current |
kA |
80 |
||
|
Rated peak withstand current |
kA |
80 |
||
|
Rated insulation level |
Power frequency withstand voltage(1min) |
kV |
Pole to ground |
95 |
|
Lightning impulse withstand voltage |
Between phases |
185 |
||
|
Mechanical Life |
times |
2000 |
||
What are our services?
We manufacture 12kV, 24kV, 40.5kV switchgear fittings,Mainly earthing switches, interlocking devices, Vacumm circuit breaker,chassis trucks,copper contact,contact box ect.
How are the quality of our products guaranteed?
Each product produced by us will be 100% checked before delivery.If Any defective goods occurred,which will be returned free and be changed for new one.
24 hours at your service:
