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JCZ1—7.2KV/400,630A

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

kV

7.2

Rated working current (Ie)

A

400、630

Rated frequency (fr)

Hz

50

Rated making capacity

A

10Ie (AC-4)

Rated breaking capacity

A

8Ie (AC-4)

Rated short time withstand current

A

10Ie

Rated peak withstand current

A

25Ie

Rated short circuit duration

s

4

Power frequency withstand voltage

Incoming wiring terminal to earth

kV

32

Outgoing wiring terminal to earth*

kV

32

Vacuum breaks

kV

32

Lightening impulse withstand voltage

kV

60

Control circuit

Rated voltage (Us)

V

AC or DC.110/220

Rated power (Ps)  electric holding

VA

≤1000/100(absorbing/holding)

Auxiliary circuit

Form

 

3a+3b

Rated value

 

AC 380V/5A
DC 380V/1A

Control circuit, auxiliary circuit to earth power frequency withstand voltage

kV

2

Rated operating frequency

Long-term

time/h

300

Short-term

time/h

600

Mechanical endurance

10000 times

30

Electrical endurance

10000 times

10

Mechanical characteristics

Closing time

ms

≤200

Original opening time

ms

≤160

Closing tripping

ms

≤10

jcz1-7.2-12 vacuum contactor
 
jcz1-7.2-12 vacuum contactor
 
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