Beijing Huadong Electric Co., Ltd.
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  • Contact Person : Ms. Wang Grace
  • Company Name : Beijing Huadong Electric Co., Ltd.
  • Tel : 0086-10-67668022
  • Fax : 0086-10-87697121
  • Address : Beijing,Beijing,Room 408, B unit, No.1 building, No.16, Ronghua South Road, Beijing Economy technologyl developed area,Beijing.
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40.5KV(33KV & 35KV) Vacuum circuit breaker for outdoor

40.5KV(33KV & 35KV) Vacuum circuit breaker for outdoor
Product Detailed
40.5KV(33KV & 35KV) Vacuum circuit breaker for outdoor is adopt principle of vacuum interrupter., have an excellent performance.

Main technical parameters:

No.

Designation of parameter

Unit

Data of parameter

1

Rated voltage

kV

40.5

2

Rated

isolate

 lever

1minpower frequency

Withstand voltage

Dry test

kV

95

Wet test

80

Rated lightning impulse withstand voltage(Peak))

185

3

Rated current

A

1250   1600   2000

4

Rated short circuit breaking current

kA

20     25    31.5

5

Rated operating sequence

 

opening-0.3s-closing opening-180s-closing opening

6

Breaking times at rated short circuit breaking current

times

20

7

Rated short circuit making current(peak)

kA

50     63     80

8

Rated peak withstanding current

9

Rated short time withstanding current

20     25     31.5

10

Rated short circuit duration time

s

4

11

full breaking current

ms

≤80

12

mechanical life

times

10000

13

Wear thickness allows of Static and dynamic contact

mm

3

14

Weight

kg

1000

mechanical characteristics 

No.

Designation of parameter

Unit

Data of parameter

1

Contact travel

mm

23±2

2

Contacting travel

6±2

3

Average opening speed

m/s

1.4~1.7

4

Average closing speed

0.4~0.7

5

Bounce time of contact closing

ms

≤5

6

Three phase asynchroneity (Closing/Opening)

≤2

7

Closing time

ms

≤150

8

Opening time

≤70

9

DC resistance for per phase circuit

µΩ

≤100(not include CT)

10

distance between phase center

mm

71

0/750

1,   Closing coil(CT19BW mechanism)

Rated service voltage(V)

~110

~220

-110

-220

Rated service current(A)

2.72

2.5

2.34

1.16

2,   Opening coil(CT19BWmechanism)

Rated service voltage(V)

~110

~220

-110

-220

Rated service current(A)

2.72

2.5

2.34

1.16

40.5KV(33KV & 35KV) Vacuum circuit breaker for outdoor



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