WS-FL-12

C

F

 Rated Voltage

kV

12/24/40.5

 12/24/40.5

 1 min power frequency withstand voltage

Phase to ground, phase to phase 

kV

42/50/95

   42/50/95

Between contacts 

kV

48/60/110

48/60/110

 Lighting impulse withstand voltage(peak)

Phase to ground, phase to phase 

kV

75/95/185

75/95/185

Between contacts

kV

85/115/215

85/115/215

 Partial discharge

pC

20

20

 Rated Current

A

630

①

 Rated short-time withstand current -4s 

kV 

20

 Rated peak withstand current

kV 

50

 Rated short-circuit making current (peak)

kV 

50

100

 Rated short-circuit breaking current

kA

40

 Mechanical endurance 

kA

5000

5000

 Internal arc test (IAC)

Times

20

20

 Rated pressure of SF6 gas (20℃) 

kA/0.5sMPa

0.04

0.04

 Note: ① The rated current of the load switch-fuse combination is limited by the fuse.