Beijing Huadong Electric Co., Ltd.
Main products:High Voltage Products,Low Voltage Products,Medium Voltage Products,Vacuum Circuit,Switchgear
Products
Contact Us
  • 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.
  • Country/Region : China

VH4 series 40.5KV (35KV or 33KV) VCB for indoor

VH4 series 40.5KV (35KV or 33KV) VCB for indoor
Product Detailed
Series VH4 indoor high voltage vacuum circuit breaker is the new generation vacuum circuit breaker developed by us.

Technical parameters:

No.

Name of parameters

Unit

Data

1

Rated voltage

kV

40.5

2

 

Rated insulation level

1min power-frequency withstand voltage

kV

95

Rated lightning impulse withstand voltage

185

3

Rated current

A

1250

1600

2000

4

Rated short-circuit breaking current

kA

25

25

25

Rated short-circuit withstand current

31.5

31.5

31.5

5

Rated short-circuit makeup current(peak)

kA

63

63

63

Rated peak withstand current

80

80

80

6

Breaking times of rated short-circuit breaking current

times

20

7

Rated short-circuit duration

s

4

8

Rated operating sequence

 

Break-0.3s-close break-180s-close break

9

Machine Life

times

10000

10

Rated single capacitor bank breaking current

A

630

11

Average Break brake speed

m/s

1.8±0.2

12

Average close brake speed

m/s

0.65±0.15

13

Break brake time

m/s

40-85

14

Close brake time

m/s

50-85

VH4 series 40.5KV (35KV or 33KV) VCB for indoor



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.