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24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation

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24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation

24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation
24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation

Large Image :  24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation

Product Details:
Place of Origin: China
Brand Name: Wu Yin
Certification: ISO
Model Number: ZW32-24
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: According to customer’s requirment
Delivery Time: 7-15days
Payment Terms: L/C,T/T,Paypal
Detailed Product Description
High Light:

air circuit breaker operation

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air blast circuit breaker

24kv ZW32 Outdoor Air Circuit Breakers for mining, industrial enterprises, substation

Air Circuit Breakers Technical parameter

Table 1  Circuit Breaker's Main Technical Data

 

 

 

Data

NO

Item

Unit

24kv

1

Rated voltage

kV

24

2

Rated frequency

Hz

50

3

Rated current

A

630/1250

4

Rated short circuit breaking current

 

kA

20/25

5

Rated peak withstand current

 

kA

50/63

6

Rated short time withstand current/ lasting time

kA/s

20/4 , 25/4

7

Rated short circuit closing current(peak)

 

kA

50/63

8

Rated operating sequence

 

O-0.3s-CO-180s-CO

9

Mechanical life

time

10000

10

Rated short circuit breaking current breaking times

 

20

11

1min power frequency withstand current

(wet)

kV

50/64

(dry)

kV

65/79

12

Lightning impulse withstand voltage(peak)

kV

125/145

13

Secondary circuit power frequency withstand voltage (1min)

V

2000

 

 Table2 Circuit Breaker's Main Mechanical Data

NO

Item

Unit

Data

24kv

1

Clearance between contacts

mm

12±1

2

Contact's overtravel

mm

3.5±1

3

Open speed

m/s

1.4±0.2

4

Closing speed

m/s

0.7±0.2

5

Contact closing jumping time

 

ms

≤2

6

Pole center distance

mm

380±1.5

7

 Three pole open/close non-simultaneity

 

ms

≤2

8

Each pole conducting circuit resistance

 

μΩ

≤70

9

Closing time

ms

25-60

10

Open time

ms

20-60

11

Motor's rated power

 

w

40

Air Circuit Breakers Summary

ZW32-24 type outdoor high voltage vacuum circuit breaker is three-phase AC, 50(60)Hz outdoor power distribution equipment with the rated voltage of 24kv, Used to open and close the load current, over load current, and short circuit current in the electric power system. Also used to protect and control the circuit in substation, mining and industrial enterprises, and frequently used in the operation places such as rural power network.

 Air Circuit Breakers Using environmental condition 
A. The altitude above sea level does not over 2, 000 meters; 
B. Surrounding air temperature: -40 ℃ ~+40 ℃ ; 
C. The wind speed is not bigger than 34m/s; 
D. The air filthy should be with in Ⅲdegree
E. Installing places: Not flammable, the explosion hazard, chemistry corrode place; 
F. Does not have the regular fierce vibration

Contact Details
Shenzhen City Breaker Co., Ltd.
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