ZW32-12G\1250

ZW32-12G\1250
 

Product description:

ZW32-12G type outdoor high voltage vacuum circuit breaker - a combination of electrical isolation switch

• Overview

The main purpose ZW32-12 series Column outdoor vacuum circuit breaker high voltage three-phase AC 50Hz, rated voltage 12KV outdoor high voltage switchgear equipment, suitable for breaking, closing load current whole city or rural distribution system, overload current and short circuit current .

• Model significance

• The main technical parameters

project

unit

ZW32-12 / T400-12.5

ZW32-12 / T630-16

ZW32-12 / T630-20

Rated voltage

KV

12

Rated current

A

400

630

630

Rated short circuit breaking current

KA

12.5

16

20

Rated short-circuit current (peak)

31.5

40

50

Rated peak withstand current

31.5

40

50

Rated short circuit withstand current

12.5

16

20

Rated short duration

S

4

Rated Jedi
Margin level

Lightning impulse withstand voltage

Kv

White, ground 75, 85 fracture

lmin frequency withstand voltage

White, ground 42, 48 fracture



Rated operating sequence

Points -0.3s- combined points -180s- combined points (electric mechanism)

Rated short circuit breaking current number of times

Secondary

30

Mechanical life

10000

Rated operating voltage (switching coil)

V

Dc220 110 Ac220 110

Static and dynamic contact permission attrition thickness

mm

3

Overcurrent release Rated current

A

5

Current ratio current transformer

200/5 400/5 600/5

Contact open cabinet

mm

9±1

Angle head overtravel

2±0.5

Average opening speed

mm

1.2±0.3

Average closing speed

0.6±0.2

Opening time

m / s

30-60

Closing time

20-40

Closing bounce time

≤2

Three-phase over the same period of closing

≤2

Each phase circuit direct resistance

ms

≤80

Energy Storage
Motor

Rated voltage

V

-220

rated power

W

200

Charging time

S

≤8

quality

kg

85