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ZW32-40.5High Voltage Pole Mounted Vacuum Circuit Breaker Automatic/ Recloser With IEC Standard

 
ZW32-40 kV Series Intelligent Type Outdoor High Voltage AC Vacuum Circuit Breaker adopts an integrated solid sealing pole with unique design and a highly reliable operating mechanism. The device is mainly used in medium voltage overhead line power grid as load current, overload current and short-circuit current.High reliability.It is completely maintenance-free throughout its life.It has high mechanical life and electrical life.
Small volume and lightweight, easy to install
 
Availability:
Quantity:
  • ZW32-40.5

  • DGG

1. When considering the advantages of vacuum circuit breakers, it is important to note their superior features that set them apart from other types of circuit breakers. These advantages make vacuum circuit breakers a popular choice for various applications in the electrical industry.


2. One key advantage of vacuum circuit breakers is their high reliability. Due to the absence of any medium for arc extinction, vacuum circuit breakers are able to interrupt fault currents quickly and efficiently. This results in minimal downtime and increased operational efficiency.


3. Another advantage of vacuum circuit breakers is their compact design. With no need for bulky insulating materials, vacuum circuit breakers are more space-efficient and can be easily integrated into existing electrical systems.


4. Furthermore, vacuum circuit breakers are known for their long service life and low maintenance requirements. This makes them a cost-effective solution for both new installations and retrofit projects.


5. In addition, vacuum circuit breakers are environmentally friendly, as they do not use any harmful gases in their operation. This makes them a sustainable choice for environmentally conscious organizations.


6. Overall, the advantages of vacuum circuit breakers make them a reliable and efficient choice for a wide range of electrical applications.


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

1 min. Power Frequency Withstand Voltage (wet/dry)

kV

80 95/118

5

Lightning impulse Withstand Voltage (To earth/Fracture)

kV

185/215

6

Rated Short-circuit  Breaking Current

kA

25/31.5

7

Rated Short-circuit  Closing Current (Peak Value)

kA

63/80

8

Rated Short-time Withstand Current

kA

25/31.5

9

Rated Peak value Withstand Current

kA

63/80

10

Rated Short-time Continuous Time

s

5

11

Rated Operating Cycle

Times

0 - 0.3s - C0 - 180s - CO

12

Rated Short-circuit Current - Breaking Times

Times

30

13

Mechanical Life

Times

10000

14

Mechanism Control Voltage

V

AC/DC 220  AC/DC 110

15

Secondary Circuit 1 min Power Frequency Withstand Volt

kV

2


5.2 Circuit Breaker's Mechanical Properties Adjustment Parameters

S/N

Name

Unit

Data Value

1

Contact Spacing

mm

16 ± 1

2

Contact Overtravel

mm

3 ± 0.5

3

Opening Speed

m/s

1.4 - 1.8

4

Closing Speed

m/s

0.4 - 1.8

5

Contact Closing Bounce Time

ms

≤ 5

6

Phase Center Distance

mm

460 ± 2

7

Three-phase Opening and Closing Asynchrony

m/s

≤ 2

8

Conductive Circuit Resistance of Each Phase

μΩ

< 80

9

Closing Time

ms

≤ 100

10

Opening Time

ms

≤ 50

11

Weight

kg

270


USAGE: ENVIRONMENTAL CONDITION

1. Altitude: ≤ 3000m, If the altitude is higher than 3000m, the rated insulation level shall be corrected accordingly.

2. Ambient temperature: -30oC ~ +65oC

3. Wind Speed:  34m/s

4. Wind pressure: 700Pa

5. Pollution level: IV level

6. Icing thickness: Not more than 10mm

7. Storage Temperature: -40oC ~ +85oC


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