18KV composite Substation lightning arrester with bracket and harmonic elimination device

Specifications

composite lightning arrester of 18KV
ISO9001
used for substation
confirm to IEC60099-4, IEC37-199/CDV

 

18KV composite lightning arrester

 

Appliation:
The ZnO arrester is mainly used to protect distribution transformer, cable connector and electric equipment from being damaged by lightning impulse voltage and operated over-voltage

composite lightning arrester of 18KV
Specifications:
1) MOA rated voltage:18KV
2) MCOV:15.3KV
3) 1/10μs steep current impulse:61.5KV
4) 8/20μs lightning current impulse:54KV
5)30/60μs switching current impulse:46.5KV
6) 2ms rectangular current impulse withstand:150A
7) 4/10μs high current impulse withstand:65KA

 

Normal service conditions:

1.The ambient air temperature is no higher than +40 degree. no lower than -40 degree.

2.The altitude above sea level does not exceed 2000m

3.Power frequency 48Hz~62Hz

4.Maximum wind speed does not exceed 35m/s

5.The earthquake intensity does not exceed 7 degrees

6.The voltage that long-time exerted shouldn't exceed its Max MCOV