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ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker

ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker

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ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker

Overview:

ZW32-12FG/T630-25 Type Outdoor high voltage vacuum circuit breaker is a outdoor distribution equipment with AC 50Hz,rated voltage 12kV and three-phase ac. It is mainly used for open circuit power distribution network and close the load current, overload current, short circuit current in power system.It is suitable for the transformer substation and factory power distribution system for protection and control use. Especially suitable for urban power grid and rural power grids.

Service conditions:

1. Ambient Temperature: -40~+65daily temperature≤25℃.
2. Altitude: ≤2000m
 .
3. Wind speed: ≤35m/s.
4. Earthquake intensity: ≤8.
5. Anti-fouling property: IV level.
6. Installation site: Not putting inflammable, explosive, chemical corrosion.

 Technical parameters

NO.

Item

Unit

Numeric

1

Nominal Voltage

kV

12

2

Rated Frequency

Hz

50

3

Rated Current

A

630/1250

4

Rated Short-circuit Breaking Current

kA

20

5

Rated Stability rated current

kA

50

6

RMS/Rated the rmal stabilization

kA/S

20/4

7

Mechanism life

times

10000

8

Rated short-circuit closing breaking Number

times

30

9

Rated operating sequence


O-0.3s-CO-180s-CO

10

Rated breaking current number

tmes

10000

11

Rated short-circuit close-open current

kA

50

 

12

 

1min Power-frequency withstand

Dry

kV

42/48

Wet

kV

34

13

Lighting impulse withstand voltage(Peak Value)

kV

75/85

14

Secondary circuit 1min Power-frequency withstand

kV

2


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