ZW32-24 Outdoor High Voltage Vacuum Circuit Breaker

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Product Introduction  

ZW32-24 outdoor high voltage vacuum circuit breakershort for “circuit breaker”is an outdoor power distribution equipment suitable for three-phase system of rated voltage12KV, AC 50Hz, to open and close the load currentoverload current and short-circuit current in power system. It’s applicable to substations and industrial-mining enterprises, and conditions which need frequent operations, such as in rural nets.

This circuit breaker has characteristics of small volumelight weightanti air condensationfree maintenance etc; it can work in bad weather and pollution environment.


 

Conforms to regulation of:

GBl984AC high-voltage circuit-breakers

GB10222Common technical requirements standard of high voltage switch equipment and control equipment

GB311.1-6insulation coordination of high voltage electric transmission and transformation equipment

GB763Thermal of AC high-voltage equipmentin the long-term work

GB2706Dynamic thermal stability test method of AC high-voltage equipment

GB3309《Mechanical test of high voltage switch equipment in normal temperature

DL/T593Common order technical conditions of high voltage switch equipment

 

Model definition:

ZW32-24

Main technical parameters

No.

Item

Unit

Data

1

Rated voltage

KV

24

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated short-circuit breaking current

KA

20

5

Rated peak withstand current (peak)

KA

50

6

Rated short circuit resistance current

KA

20

7

Rated short-circuit making currentpeak

KA

50

8

Mechanical life

time

10000

9

Breaking time of rated short-circuit breaking current

time

30

10

1 min power frequency withstand voltagebetween poles, pole to earth/between open contacts

KV

65/79

11

Lightning impulse withstand voltage between poles, pole to earth/between open contacts

KV

125/145

12

Secondary loop 1 min power frequency withstand voltage

KV

2

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Q:Leakage protector and open selection
The principle of the use of RCD zero sequence current transformer To detect leakage, electric shock and other ground fault current
Q:Why the high-voltage circuit is equipped with isolation switch and circuit breaker
So the isolation switch installed in front of the circuit breaker, open, so that between the power supply and the circuit breaker has a clear point
Q:Is there a circuit breaker in the circuit
Such as the circuit breaker at work, when a failure occurs, it is the power of all disconnected.
Q:What is the solution of the leakage circuit breaker always jumping?
Do not let the lighting lines and socket lines mixed, so that the socket circuit leakage switch will open the leakage protection switch to trip .
Q:Which is the circuit switch, that is the circuit breaker
so the frame circuit breaker and molded case circuit breaker applications are different occasions, the framework used in the higher into the line, molded case applied to the lower level of the framework.
Q:How long is the circuit breaker long delay time?
Circuit breaker (English name: circuit-breaker, circuit breaker) is able to close, carry and break the normal circuit under the conditions of the current and can be closed,
Q:How to look at the circuit breaker capacity is how much?
As the high-voltage current in the process of breaking, the arc, even if the circuit breaker contacts are separated,
Q:How to choose a circuit breaker for home and small office circuits
Leakage accessory handle. Leakage causes not removed before the small circuit breaker handle and leakage accessory handle can not be reset.
Q:Household leakage circuit breakers, circuit problems
Leakage circuit breaker DZ47LEC63, electric problem. Anxious ~ ~ ~ ~ ~ reward points: 80 - from the end of the problem there are 14 days 23 hours 1
Q:How is the circuit breaker different from the air circuit breaker?
can not turn on the current, you can disconnect the short-circuit current below the current (by fuse).

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