JN15-24/31.5 Series motorized Indoor HV A.C Earthing 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
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
Rated short time withstand current
Rated duration of short circuit
Rated short circuit making current
Rated peak withstand current
Rated insulation level
Pole to ground
Lightning impulse withstand voltage
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.