name

unit

numerical value

main
electricity
flow

Rated working voltage (Ue)

kV

seven point two

twelve

Rated working current (Ie)

A

160, 250, 400, 630

Rated frequency (fr)

Hz

50~60

Rated closing capacity

A

10Ie

Rated breaking capacity

A

8Ie

Rated short-time withstand current

A

10Ie

Rated peak withstand current

A

25Ie

Rated short-circuit duration

s

four

Power frequency withstand voltage

relatively

kV

thirty-two

forty-two

Vacuum fracture

kV

thirty-two

forty-two

Lightning impulse withstand voltage

kV

sixty

seventy-five

control
circuit

Rated voltage (Us)

V

AC or DC. 110/220

Rated power (Ps) electrical holding

VA

≤ 1000/100 (suction/hold)

auxiliary circuit

form

3a+2b

rated value

AC380V/10A,DC380V/2A

Control circuit and auxiliary circuit withstand power frequency voltage

kV

two

Rated operating frequency

long-term

Times/h

three hundred

short-term

Times/h

six hundred

mechanical life

ten thousand times

one hundred

electrical life

ten thousand times

20（AC-3）

mechanical
characteristic

Closing time

ms

≤200

Inherent opening time

ms

≤160

Three phases in different periods

ms

≤3

Closing bounce

ms

≤20

Note: The rated control voltage can also be customized according to user needs.