KYN28-12

  Rated Voltage

kV

12

  1 min power frequency withstand voltage

Phase to ground, phase to phase 

kV

42

Between contacts 

kV

48

  Lighting impulse withstand voltage(peak)

Phase to ground, phase to phase 

kV

75

Between contacts

kV

85

  Partial frequency

Hz

20

  Rated Current

A

630,1250,1600,2500,3150,4000

  Rated peak withstand current

kV 

40,50,63,80,100,125

  Rated short-circuit withstand current

kV 

16,20,25,31.5,40,50

  Rated short-circuit duration

s

4

  Rated short-circuit breaking current

kA

  Rated short-circuit making current (peak) 

kA

40,50,63,80,100,125

  Protection level

Enclosure:IP4X

Circuit breaker door open: IP2X

  Weight

  Length*depth*height

mm

800(1000)*1500*2300