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VS1-24 Series Indoor High Voltage Vacuum Circuit Breaker

Short Description:


Product Detail

Product Tags

VS1-24 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 24kV indoor switch equipment

♦ Installation way: withdrawable type, fixed type, side mounted type;

♦ Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;

♦ Pole type: assembled pole, embedded pole;

♦ Application: sw.tchgear KYN28-24, XGN-24.

♦ Secondary plug: 58pins, 64pins.

dsv

Product Standards

♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers

♦ GB1984 High Voltage AC Circuit-breakers

♦ GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards

♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers

♦ DL/T402 Specification of High-voltage AC Circuit-breakers

Environmental Conditions

♦ Ambient temperature: -15°C~+40°C;

♦ Altitude: <1000m;

♦ Relative humidity: daily average <95%, monthly average <90%

♦ Earthquake intensity: <8 level;

♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.

Main Technical Parameters

No

Item

Unit

Value

1 Rated voltage

kV

24

2 1 min power frequency withstand voltage

65

3 Rated lightning impulse withstand voltage

125

4 Rated frequency Hz

50

5 Rated current A

630, 1250, 1600, 2000, 2500,

3150

6 Rated short circuit breaking current

kA

20, 25, 31.5

7 Ratea short circuit making current (peak)

50, 63, 80

3 Rated short time withstand current

20, 25, 31.5

9 Rated peak value withstand current

50, 63, 80

10

Rated short circuit duration

S

4

11

Rated operating sequence

0-0.3s-C0-180s-C0

0-180s-C0-180s-C0 (50kA)

12

Rated opening closing cable charging current

A

31.5

13

Rated short circuit current breaking number

Times

50 (30 for 40kA, 20 for 50kA)

 

No

Item

Unit

Value

14

Breaking time

ms

<80

15

Mechanical life

Times

10000

16

Circuit breaker in accordance with classification of electrical life

E2 class

17

Circuit breaker in accordance with classification of opening and closing capacity current ability

C2 class

18

Allowed cumulative wearing thickness of moving contact and fixed contact mm

3

19

Clearance between open contacts mm

14±1

20

Over travel mm

3.5±1

21

Average closing speed m/s

0.7±0.2

22

Average opening speed m/s

1.4±0.2

23

Closing time (rated voltage) ms

35-70

24

Opening time (rated voltage) ms

20-50

25

Contact closing bounce time ms

<2

26

Three phase opening and closing asynchronism ms

<2

27

Each phase conductive circuit resistance uQ

<50 (630A) <45(1250A) <35(1600-2000A) <25(2500-3150A)

28

Phase to phase central distance mm

210, 275

29

Contacts pressure N

2400±200 (20kA; 25kA)

3100±200 (31.5kA)

30

Contact opening rebound range mm

<2.5

31

Rated operating voltage V

AC/DC110/220

32

Rated working current A

1.1 (AC/DC 220V)

3.3 (AC/DC 110V)

33

Power of energy storage motor W

70

34

Rated voltage of energy storage motor V

DC 220/DC110

35

Energy storage time

ms

<10

Note: when current is 4000A or 5000A, need forced air cooling.

General Structure Drawing and Installation Size (unit: mm)

Draw out type

jty

Phase-to-phase distance 275mm.

Fixed type

sdf

Phase-to-phase distance 210mm.

df

Phase-to-phase distance 275mm.

Side mounted type

fgn

n

Phase-to-phase distance 275mm.


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