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HVD32 ZW32 vacuum circuit breaker VCB

Price: 1,226.00 USD
4#Rd, Yichang City 443201, Hubei, China
Type:
15 January 2019 - 15 January 2019
Categories
Switches
Business Details
Hubei Jucro Electric CO., LTD.
Hubei Province,China 4#Rd Xiannv,Zhijiang City,Yicahng City, Hubei Province,China, Hubei, Yichang City 443201, Hubei, Hubei, China
Contact
  1. General
    HVD32 ZW32 This vacuum circuit breaker VCB is three-phase AC 50Hz, rated voltage 12 kV outdoor high voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.
  • . Main technical parameter

Rated voltage: 12 kv

1 minute rated power frequency withstand voltage: Phase to Phase, to Ground 42 kv / Fracture 48 kv

Rated current: 630A / 1250A

Rated short circuit breaking current: 12.5KA, 16KA, 20KA / 25KA

Rated short-circuit current (peak): 31.5KA, 40KA, 50KA / 63KA

Rated peak withstand current: 31.5KA, 40KA, 50KA / 63KA

4s rated short time withstand current: 12.5KA, 16KA, 20KA / 25KA

Rated operating sequence: O-0.3s-CO-180s-CO(Electric operation)

Closing time: 30-60 ms

Opening time: 20-40 ms

Rated short circuit breaking current breaking times: 30 times

Mechanical life: 10,000 times

Secondary circuit 1 minute power frequency withstand voltage: 2000 v

Energy storage motor rated power: 40 w

Energy storage motor rated voltage V: DC220/110

Rated closing operation voltage v: DC220/110, AC220/110

Rated switching operation voltage v: DC220/110, AC220/110

Electric energy storage time: ≤8 s

 

 

2.1Circuit breakers rated parameters

No.

Name

Unit

Value

1

Rated voltage

KV

12

2

The 1min rated power frequency withstand voltage

Phase to Phase, to Ground42 / Fracture 48

3

Rated lightning impulse withstand voltage(peak)

Phase to Phase, to Ground42 / Fracture 48

4

Rated current

A

630

1250

5

Rated frequency

Hz

50

6

Rated short circuit breaking current

KA

12.5  16  20

25

7

Rated short-circuit current (peak)

31.5  40  50

63

8

Rated peak withstand current

31.5  40  50

63

9

4s rated short time withstand current

12.5  16  20

25

10

Rated operating sequence

 

O-0.3s-CO-180s-CO(Electric operation)

11

Closing time

ms

30-60

12

Opening time

20-40

13

Rated short circuit breaking current breaking times

times

30

14

Mechanical life

10000

15

Secondary circuit 1min power frequency withstand voltage

V

2000

16

Energy storage motor rated power

W

40

17

Energy storage motor rated voltage

V

DC220/110

18

Rated closing operation voltage

DC220/110, AC220/110

19

Rated switching operation voltage

DC220/110, AC220/110

20

Electric energy storage time

S

≤8

 

2.2The main technical parameters of the isolation switch

No.

Project

Unit

Parameter

1

Rated voltage

KV

12

2

Rated current

A

630

3

Frequency

Hz

50

4

4s rated short time withstand current (rms)

KA

16/20

5

Rated peak withstand current

40/50

6

1min power frequency withstand voltage

To ground, P to P

KV

42

Fracture

48

7

Loop resistance (breaker panel between to isolation switch into the line of board)

μΩ

≤120

8

Three-phase closing of the knife center runout

mm

≤2

9

The three-phase knife points, closing bias over the same period

≤2

10

Conductive parts of the insulation isolation

≥160

11

Fracture open distance

≥200

 

15 January 2019 15 January 2019

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