Parameter

Unit

Data

Rated voltage

Hz

50 / 60

Rated current

A

400/630/1250

Breaking current

KA

20

Making current

KA

50

Thunder impulse withstand voltage

S

4

Mechanical life

Times 

Spring Operation 10000  

Mechanical life

Times

Permanent Magnetic 30000

Rated current breaking

Times

O-0.3s-CO-180s-CO

Rated short-circuit breaking current

Times

30

Power frequency withstand voltage (1min)

KV

42(across open contacts:49/34)

Lightning impulse withstand voltage (peak) inter-phase

KV

75 ( across open contacts:85)

Rated input power of energy storage motor

W

40

Rated operating voltage and rated voltage of auxiliary circuit

V

DC 220,110,24  

AC 220,110,24

Storage time under rated voltage

S

≤10

Rated current of over- current tripper

A

5