86-510-83720170 -8007
E-mail: lanhong@lhdz.com
 
 
 
 
 
CKJ7-1600A/1140-B
 

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

V

1140

Rated working current (Ie)

A

1600

Rated frequency (fr)

Hz

50

Rated making capacity

A

4Ie (AC-2)

Rated breaking capacity

A

4Ie (AC-2)

Power frequency withstand voltage

Between phases, phase to earth

kV

4.2

Vacuum breaks

kV

10

Lightening impulse withstand voltage

kV

8

Control circuit

Rated voltage (Us)

V

AC. 110/220/380

Rated power (Ps) 

Electric holding

VA

≤1000/100 (absorbing/holding)

Mechanical holding

VA

≤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

time/h

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)

Closing tripping

ms

≤10

Remark: 1.rated control voltage can be made according to customer’s requirements.

 
 
 
 
  Copyright www.lhdz.com Wuxi Lanhong Electric Co., Ltd.