Products specification

Item

Unit

Parameter

Rated voltage

KV

12

Rated frequency

Hz

50

Rated current

A

630

Rated short-circuit breaking current

KA

20

Rated peak withstand current (peak)

KA

50

Rated short-time withstand current

KA

20

Rated short-circuit current (peak)

KA

50

Mechanical life

Times

10000

Rated short-circuit breaking current breaking frequency

Times

30

Power frequency withstand voltage (1min): (wet) (dry) same, ground/fracture

KV

42/48

Lightning impulse withstand voltage (peak) is the same, ground/fracture

KV

75/85

Secondary circuit 1min power frequency withstand pressure

KV

2