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ZN85-40.5 Series Indoor High Voltage Vacuum Circuit Breaker

Short Description:


Product Detail

Product Tags

ZN85-40.5 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor switch equipment.

♦ Installation way: withdrawable type;

♦ Operating mechanism: spring operating mechanism;

♦ Pole type: assembled pole, embedded pole;

♦ Application: switchgear KYN61-40.5.

♦ Secondary plug: 58pins, 64pins.

Environmental Conditions

♦ Ambient temperature: -15r~+40r

♦ 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

40.5

2

Rated current

A

1250 1600, 2000, 2500

3

Rated short circuit breaking current

kA

25, 31.5

4

Dynamic current (peak)

63, 80

5

4s thermal stability current

25, 31.5

6

Rated short circuit making current (peak)

63, 80

7

Rated short circuit current breaking number

Times

20

8

Rated operating sequence

O-0.3s-CO-180s-CO

9

1 min power frequency withstand voltage

kV

95

10

Rated lightning impulse withstand voltage

185

11

Mechanical life

Times

10000

12

Rated single capacitor bank switching current

A

630

13

Rated back-to-back capacitor bank current

400

14

Rated voltage of energy storage motor

V

AC/DC 220/110

15

Power of energy storage motor

W

<230

16

Energy storage time

s

<15

17

Ratea voltage of closing/opening coil

V

DC 220/110

18

Rated current of closing/opening coil

A

1.05(110V) 0.96(220V)

19

Clearance between open contacts mm

20±2

20

Contact travel

7.5±1.5

21

Three phase opening and closing asynchronism

ms

<2

22

Contact closing bounce time

<3

23

Main circuit resistance (not include contact arm)

卩Q

<40

General Structure Drawing and Installation Size (unit: mm)

♦ Draw out type assembled pole

sd

♦ Draw out type embedded pole

wef


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