VBDc/R-24 VCB/ Vacuum circuit breaker

VBDc/R-24 VCB/ Vacuum circuit breaker

1.Use spring energy storage.
2.Operating by two ways: manual or electric operation
3.The characteristics is accordance with GB1984-2003 AC High Voltage Circuit Breakers, JB3855-96 3.6~40.5kV indoor AC HV vacuum circuit breaker, relevant regulations of IEC62271-100 standard and the technical requirements of this product.
4.Use modular type operating mechanism and embedded pole
5.The mechanical life is M2 and electrical life is E2
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Product Details

Main technical specification of VBDc/R-24


Name

Unit

Data

1

Rated voltage

kV

24

2

Rated frequency

Hz

50/60

3

1 min power frequency withstand voltage

kV

65

4

Rated lightning impulse withstand voltage

kV

125

5

Rated current

A

630

1250

1600

6

Rate short circuit breaking current

Rate thermal stable current (effective value)

kA

25

25

25


31.5

31.5

7

Rated short circuit making current (peak)

Rated dynamic stable current (peak)

kA

50

50

50


80

80

8

Breaking times of rated short circuit breaking current

times

30

9

Rated thermal stable time

s

4

10

Rated operating sequence


O-0.3s-CO-180s-CO

11

Mechanical life

Operations

10000


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