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ZW32-12 Vacuum Circuit Breaker

Short Description:

ZW32-12 Series outdoor high voltage vacuum circuit breakers is used in three phases power system of AC 50Hz, voltage 10-12KV, to switch on/off loading current. it has function of protecting overloading and short circuit, meeting the requirement of control and measurement, realizing remote control and monitor and so on. it applies to protect and control distribution system of substation, industrial enterprises, and frequent switching in rural network.


Product Detail

Product Tags

Parameter

Description

Unit

Specification

Rated voltage

kV

12

Rated Insulation level

min power frequency withstand voltage Dry

kV

42

1 min power frequency withstand voltage Wet

kV

34

Lightning impulse withstand voltage (peak)

kV

75

Rated Current

A

630

Rated short circuit breaking current

KA

20

Rated operating sequence

 

O-0.3s-CO-180s-CO

Nos of breaking rated short circuit breaking current

time

30

Rated short circuit making current(peak)

kA

50

Rated peak withstand current

kA

50

Rated short time withstand current

kA

20

Duration of rated short circuit current

s

4

Opening time (Shunt tripping)

Highest operating voltage

ms

15-50

Rated operating voltage

ms

15-50

Lov/est operating voltage

ms

30-60

Closing time

ms

25-50

Full breaking time

ms

SOO

Arcing time

ms

s20

technical endurance

time

10000

Rated Input power of charging motor

W

40

Rated operating voltage and rated voltage of auxiliary circuit

V

DC220 110 24

DC220 110 24

Charging time at rated voltage

s

M10

Over-current release

Rated current

A

50

Accuracy of tripping current

%

±10

Use Environment

Environmental Conditions for Use

Altirude: not greater than 2000m;

Contamination Level: Level IV:

Ambient air temperature: 40 ℃-+40 ℃:

Daily temperature difference: daily variation of 25 ℃;

Wind speed not greater than 35m/s

Earthquake intensity of not greater than M8

Places without flammable, explosive hazards, and chemical corrosion

Dimension

1

FAQ

Q1: Are you factory?

A. Yes, We have 3 factories.

Q2: Are the samples free?

A: Most are free, some items need discuss.

Q3: What kind of payment do you accept?

A: We accept T/T,L/C. PAYPAL. WESTERN UNION

Q4: Are you always available?

A: Yes i am online even in holiday! I will try my best to make you satisfied, If you need any help in china, please contact me. We are your right choice


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