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LHJCZ8-12(J)/D800,1000,1250 Vacuum contactor

   

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

kV

12

Rated working current (Ie)

A

800,1000, 1250

Rated frequency (fr)

Hz

50

Rated making capacity

A

4Ie (AC-2)

Rated breaking capacity

A

4Ie (AC-2)

Rated short time withstand current

A

4Ie

Rated peak withstand current

A

10Ie

Rated short circuit duration

s

4

Power frequency withstand voltage

Between phases, phase to earth

kV

42

Vacuum breaks

kV

42

Lightening impulse withstand voltage

kV

75

Control circuit

Rated voltage1 (Us)

V

AC or DC. 110/220

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)

3-phase synchronism

ms

≤3

Closing tripping

ms

≤10

Net weight
kg
52

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

 
 
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