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Vacuum Isolation Load Switch

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Scope of application

1

FZW32-12/T630-20 outdoor high-voltage AC vacuum isolation load switch is a new generation of high-voltage electrical products developed by our company. The technical performance indicators conform to GB3804 and IEC standards, and are suitable for outdoor 12kV, three-phase AC 50Hz power supply. In the network.


Model and its meaning

2


The Main Technical Parameters

Serial number

item

unit

Data

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated active load breaking current

A

630

5

Rated closed-loop breaking current

A

630

6

5% rated active load breaking current

A

31.5

7

Rated cable charging breaking current

A

10

8

Rated breaking no-load transformer capacity

kVA

1600

9

Rated breaking capacitor bank current

A

100

10

1minl frequency withstand voltage; (vacuum fracture, phase, relative to the fracture

kV

42/48

11

Bud electric impulse withstand voltage; (shed, relative 1 / isolation fracture)

kV

75/85

12

Rated short-time withstand current (thermal stability)

kA

20

13

Rated short circuit duration

s

4

14

Rated peak withstand current (dynamic stability)

kA

50

15

Rated short circuit closing current

kA

50

16

Mechanical life

Times

10000

17

Vacuum arcing indoor contact allows wear thickness

mm

<0.5

18

Manual torque

Nm

Name 200



Contact opening distance

mm

5±1


Load switch vacuum interrupter assembly adjustment

Average opening speed

m/s

1.1 ±0.2

19

Three-phase closing synchronization

ms

5

Three-phase tripping synchronization

ms

2


Charged body and relative air distance

mm

>200



Auxiliary loop resistance

mQ

For 400


FZW32-12

Outdoor high voltage AC vacuum isolation load switch

Installation method

Horizontal width

AB phase spacing

BC phase spacing

Single pole horizontal Installation

1300

750

320

Single side Installation

1230

500

500

Single side Installation

1050

400

400


Installation method and support diagram

3


Single side Installation

4




Single pole horizontal Installation

6


Top of a pole Installation

7


1- Connecting wire

2- Load switch

3- Connecting wire

4- Porcelain pull insulator

5- Fork lock

6- Tension clamp

7- Switch bracket

8- Joystick


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