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VCB Vacuum Circuit Breaker

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2017-07-18 18:22

  • Browse the number:

    99

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Company Profile

Qingdao Yunwhua Industry Co.,Ltd

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Contact：yonghuaxu(Mr.)  

Email：

Telephone：

Phone：

Area：Beijing

Address：#2-1-901Room,No.16 Fuzhou South Road, Shinan District, Qingdao, Shandong,China

Website：http://www.yunwhua.com/ http://yonghuaxu.qiaochenglan.com/

Product Details

VCB vacuum circuit breaker

 ZN28A-12 series of rated voltage 12/40.5 kV vacuum circuit breaker, three-phase ac 50 hz indoor high voltage switch equipment, is the introduction of Germanys Siemens technology products. The structure of circuit breaker Simple open circuit ability, long service life, operating function is all ready, no explosion danger, convenient maintenance, suitable for power plant, substation and other electric power transmission and distribution system of control or protection switch, especially in open circuit important place of load and frequent operation. Our products comply with GB1984-89 standard for ac high voltage circuit breaker.

Number

Item

Unit

Reference

1

Rated voltage

KV

12

2

Rated frequency

HZ

50

3

Rated insulation level

1minPower frequency withstand voltage

KV

42

Thunder impulse withstand voltage(peak value)

75

4

Rated current

A

630;1250;1600

1250;1600;2000

2000;2500;3150

5

Rated short-circuit close current(peak value)

KA

20

31.5

40

6

Rated operation order


off--0.3s on and off--180S-on and off

7

Rated short-circuit Breaking current times

times

30(50)

30(50)

20(30)

9

Rated Impulse withstand voltage

KA

50

80

100

10

4S Heat steady e.c.A

20

31.5

40

11

all opened and broke time

ms

≤100

12

Mechanical life-span

times

10000

YUNWHUA, equipped with many professional vcb vacuum circuit breaker factories, services for various companies in the world. Welcome to get quality vcb vacuum circuit breaker parts with us.