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:Selection of Circuit Breakers in Low Voltage Circuits
that is, after the trip can be reset. They can also be used as power-on / off switches for protected equipment.
Q:What is the difference between open air and circuit breakers?
The type of protection function and the protection mode are selected by the user according to their needs. Such as short circuit protection, over current protection, exclusion control, undervoltage protection.
Q:How to switch from the circuit breaker switch button, the difference is short circuit protection or overload protection?
The circuit breaker is called open SPACE> This is a switch that can automatically protect the low voltage distribution
Q:What is the specific function of the auxiliary switch on the circuit breaker switch?
Used to control, protect, adjust, measure and monitor the parameters of the circuit and the working conditions of each component.
Q:What circuit symbols are used for circuit breakers
mass I + I + I
Q:Discussion on the Selection of Circuit Breaker in Low Voltage Circuit
and the frame circuit breaker rated current is much larger, generally 630A-6300A (such as our company's DW15, DW16 and DW17 series
Q:Load switch, vacuum switch and circuit breaker
Circuit breaker: not only can be cut off and connected to the load current can also cut off the fault current, such as short circuit current
Q:What are the differences between switches and circuit breakers?
And because of its arc extinguishing device and internal structure, he can also load with the gate
Q:How long does the circuit breaker last?
Functional switchgear is the use of not only has a switching function, but also has other special features of the switch (such as circuit breakers, speed switches, delay switches, etc.) control of electrical appliances
Q:Circuit system diagram how the circuit breaker said
Most of the power applications are used in conjunction with circuit breakers and disconnectors, with the circuit breaker, load (fault) current, with the isolation switch to form a clear point

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