CKJ5-250A 1140V Vacuum Contactor

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

V

1140

Rated working current (Ie)

A

250

Rated thermal current（Ith）

Hz

50

Rated frequency (fr)

A

12Ie (AC-4)

Rated making capacity

A

10Ie (AC-4)

Rated breaking capacity

kV

4.2

Power frequency withstand voltage

Between phases, phase to earth

kV

10

Lightening impulse withstand voltage

8

Control circuit

Rated voltage

V

AC 220

Rated power (Ps) Electric holding

VA

≤600/50

(absorbing/holding)

Auxiliary circuit

Form

4a+3b

Rated value

AC 380V/5A

Control circuit, auxiliary circuit to earth power frequency withstand voltage

kV

2

Rated operating frequency

Long-term

Time/h

600(AC-3), 300(AC-4)

Short-term

2000

Mechanical endurance

10000 times

30

Electrical endurance

10000 times

6

Mechanical characteristics

Closing time

ms

≤200

Original opening time

ms

≤160

3-phase synchronism

ms

≤3

Closing tripping

ms

≤10

Net weight

kg

7.8