serial number

project

unit

parameter

one

rated voltage

kV

twelve

two

rated current

A

six hundred and thirty

three

Power frequency dry withstand voltage（1min）

kV

forty-two

four

Lightning impulse withstand voltage (peak value)

seventy-five

five

Rated short-circuit breaking current

kA

12.5  16  20

six

Rated short-circuit closing current

31.5  40  50

seven

Rated peak withstand current

31.5  40  50

eight

4s short-time withstand current

12.5  16  20

nine

Rated operating sequence

part-0.3s-HeFen-180s-HeFen

ten

Rated short-circuit current breaking times

time

thirty

eleven

mechanical life

ten thousand

twelve

Rated voltage of energy storage motor

V

DC or AC 220

thirteen

Rated operating voltage (with dedicated spring operating mechanism)

trip coil

closing coil

fourteen

Rated current of overcurrent release device

A

five

fifteen

Allowable wear thickness of dynamic and static contacts

Mm

three

sixteen

weight

kg

one hundred and sixty