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Zw32-24 Insulated Electric Auto Recloser Vaccuam Interrupter Circuit Breaker For Indoor Use

 
ZW32-24 Automatic reclosing circuit breaker is an essential component in electrical systems to ensure the continuous supply of power. It plays a crucial role in protecting the system from overloads and short circuits by automatically reconnecting the circuit after a fault is cleared. This feature helps in minimizing downtime and ensuring uninterrupted power supply to critical equipment. By automatically resetting the circuit, it eliminates the need for manual intervention, saving time and effort. Overall, the automatic reclosing circuit breaker enhances the reliability and efficiency of electrical systems, making it a valuable asset in various industries..
 
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1. The Automatic reclosing circuit breaker has the characteristics of quick response, high reliability, and easy operation. It is designed to automatically restore power supply after a temporary fault, ensuring continuous and stable electricity supply. This feature is especially beneficial in industries where uninterrupted power supply is crucial for operations


2.The key advantages of the automatic reclosing circuit breaker is its ability to reduce downtime and improve efficiency. By automatically restoring power supply within seconds of a fault, it minimizes the impact of power outages on production processes. This not only saves time and money but also helps maintain a smooth workflow.


3.Furthermore, ZW32-24 automatic reclosing circuit breaker enhances safety by isolating faulty circuits and preventing potential hazards. Its advanced technology allows for precise detection and isolation of faults, reducing the risk of electrical accidents and equipment damage..


4.Overall, the ZW32-24 automatic reclosing circuit breaker is a reliable and efficient solution for ensuring uninterrupted power supply and improving operational efficiency in various industries. Its advanced features make it a valuable asset for businesses looking to enhance their electrical systems..

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5.1 Circuit Breaker's Main Technical Parameters Table

S/N

Name

Unit

Data Value

1

Rated Voltage

kV

40.5

2

Rated Current

A

1250/1600

3

Rated Frequency

Hz

50/60

4

Rated Insulation
Level

1 min. Power Frequency Withstand Voltage

To earth, fracture(wet)

kV

50 / 64

To earth, fracture(dry)

65 / 79

Secondary Circuit to earth

2


To earth, fracture

125/145

5

Rated Short-circuit Breaking Current

kA

20

25

6

Rated Short-circuit  Closing Current (Peak Value)

50

63

7

Rated Short-time Withstand Current

20

25

8

Rated Peak value Withstand Current

50

63

9

Rated Short-circuit Breaking Current - Breaking times

Times

30

10

Rated Short-time Continuous Time

s

4

11

Rated Operating Voltage and Auxilliary Circuit rated voltage

V

0 - 0.3s - C0 - 180s - CO

12

Rated Operating Order


30

13

Rated current of overcurrent release

A

5

14

Mechanical Life

Times

10000

15

Weight

Without isolating force

kg

115

With Isolating force

138


5.2 Circuit Breaker's Mechanical Properties Adjustment Parameters

S/N

Name

Unit

Data Value

1

Contact Spacing

mm

12 ± 1

2

Contact Overtravel

3 ± 0.5

3

Center distance between phases

380 ± 1.5

4

Three-phase Opening and Closing Asynchrony


ms

≤ 2

5

Contact Closing Bounce Time

≤ 2

6

Closing Time

25 ~ 45

7

Opening Time

25 ~ 45

8

Average Opening speed

ms

1.0 ~ 1.4

9

Average Closing speed

0.6 ~ 1.0

10

Resistance of main electrical circuit

μΩ

≤ 100


USAGE: ENVIRONMENTAL CONDITION

1. Altitude: ≤ 1000m, If the altitude is higher than 1000m, the rated insulation level shall be corrected accordingly.

2. Ambient temperature: -40oC ~ +45oC, Daily average temperature change ≤ 25ºC

3. Wind Speed:  34m/s

4. Wind pressure: 700Pa

5. Pollution level: IV level

6. Icing thickness: Not more than 10mm

7. Atmospheric Relative Humidity: Daily average ≤ 90%, Monthly average  ~ ≤ 90%

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