YUFLY ELEC COMPANY LTD317000About Us901，YAODA MANSION,58 BAI YUN SAN XIANG,LINHAI CITY,ZHEJIANG,CHINAMain Products:Power control system series contain Auto recloser, Vacuum & SF6 circuit breaker, Load break switch, Disconnector, Earth switch, Distribution panel, On-line series contain insulator, fuse, arrester, etc..YUFLY ELEC COMPANY LTD317000About Us901，YAODA MANSION,58 BAI YUN SAN XIANG,LINHAI CITY,ZHEJIANG,CHINAMain Products:Power control system series contain Auto recloser, Vacuum & SF6 circuit breaker, Load break switch, Disconnector, Earth switch, Distribution panel, On-line series contain insulator, fuse, arrester, etc..YUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY ELEC COMPANY LTDYUFLY EL
GW4-12 series Outdoor H.V. disconnector used for opening or closing circuits under voltage but no-load condition in 12kV outdoor electrical system. It has fixed drawhook and self-locking device, effect operation with insulating hook-stick. Anti-pollution type can effectively solve flash due to pollution during the operation to satisfy the requirement of users in strong pollution area.
Ser.No.
Item
Unit
Technical Data
1
Rated voltage
kV
12,40.5
2
Rated current
A
630
3
Rated frequency
Hz
50
4
Rated withstand current (peak value)
kA
50,63
5
Rated short time withstand current
kA
20,25
6
Rated duration of short time withstand current
Sec.
4
7
Main circuit resistance
μΩ
12kV
40.5kV
≤90
≤100
8
1min(dry)Power frequency withstand voltage(virtual value)
Between poles and Phase to ground / Across the isolating distance
KV
42/48
95/115
9
1min(wet)Power frequency withstand voltage(virtual value)
