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JCZ7- 7.2/12/400/630(B)

   

Name

Unit

Value

Main circuit

Rated working voltage (Ue)

kV

7.2

12

Rated working current (Ie)

A

400,630

Rated frequency (fr)

Hz

50~60

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

Wiring terminal to earth

kV

32

42

Vacuum breaks

kV

32

42

Lightening impulse withstand voltage

kV

60

75

Control circuit

Rated voltage (Us)

V

AC or DC. 110/220

Rated power (Ps)electric holding

VA

≤1000/100 (absorbing/holding)

Auxiliary circuit

Form

 

2a+2b

Rated value

 

AC 380V/10A,

DC 380V/2A

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

closing synchronism

ms

≤3

Original opening time

ms

≤160

Closing tripping

ms

≤10

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

 
 
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