1140V/50A Vacuum Contactor CKJ3-800A

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

V

1140

Rated working current (Ie)

A

800, 1000,1250

Rated frequency (fr)

A

50

Rated making capacity

A

4Ie(AC-2)

Rated breaking capacity

kV

4Ie(AC-2)

Power frequency withstand voltage

Between phases, phase to earth

kV

4.2

Vacuum breaks

10

Lightening impulse withstand voltage

8

Control circuit

Rated voltage (Us)

V

AC. 220/380

Rated power (Ps)

Electric holding

VA

≤1000/100

(absorbing/holding)

Mechanical holding

≤900/600 (closing/opening)

Auxiliary circuit

Form

3a+3b

Rated value

AC380V/5A, DC380V/1A

Control circuit, auxiliary circuit to earth power frequency withstand voltage

kV

2

Rated operating frequency

Long-term or mechanical holding type

Time/h

300

Short-term

600

Mechanical endurance²

10000 times

30

Electrical endurance

10000 times

10

Mechanical characteristics

Closing time

ms

≤200

Original opening time

ms

≤160(electric holding)

≤60(mechanical holding)

3-phase synchronism

ms

≤3

Closing tripping

ms

≤10

Net weight

kg

31