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ZN63(VS1)-12KV Indoor high-voltage vacuum circuit breaker Fixed Type HV VCB mechanism for switchgear

 
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Product Description

 ZN63-12 indoor high-voltage vacuum circuit breaker is an indoor switchgear of three-phase AC 50HZ power system with rated voltage of 12kV, which is used as the protection and control unit of power grid equipment and power equipment of industrial and mining enterprises. It is suitable for frequent operation under rated working current or places where short circuit current is broken for many times. The circuit breaker adopts an integrated design of operating mechanism and circuit breaker body, which can be used as a fixed installation unit or equipped with a special propulsion mechanism to form a handcart unit.

1.Ambient air temperature: upper limit+40 ℃, lower limit - 15 ℃;

2.Altitude: ≤ 1000m (if it is necessary to increase the altitude,the rated insulation level shall be increased accordingly)

3.Amplitude: seismic train degree shall not exceed 8 degrees;

4.The daily average value of air relative humidity shall not be greater than 95%, and the monthly average value shall not be greater than 90%
5.in places where there is no fire, danger, serious pollution, chemical corrosion and severe vibration.

Name

Unit

Parameter

Rated voltage

kV

12

12

12

12

Operating current

A

630、1250

630、1250、1600

1250、1600

2000、2500、3150

Rated insulation level

1min power frequency withstand voltage

kV

42

42

42

42

Lightning impulse voltage

kV

75

75

75

75

Rated short-circuit breaking current

kA

20

25

31.5

40

Rated short-circuit making current (peak value)

kA

50

63

80

100

Rated (peak) withstand current

kA

50

63

80

100

Rated short-time withstand current

kA

20

25

31.5

40

Rated short-circuit breaking current breaking times

50

50

50

30

Rated short circuit duration

s

4

Rated operating sequence


Opening - 0.3 s - closing opening - 180 s - closing opening
Opening - 180s - closing opening - 180s - closing opening (40kA)

Mechanical life

20000

20000

20000

20000

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Company Profile

Certifications

Product packaging

FAQ

Q1: Why choose us?


A: High quality and low price, professional technical team, rich experience, timely delivery, excellent after-sales service, good reputation and credibility.

Q2: Are you a factory or a trading company?

A: Factory, so we can guarantee our price is reasonable and competitive.

Q3: What are your main products?

A: Complete 12KV transmission and transformation electrical switchgear, box type substation, distribution automation switchgear (box) and terminal devices. Indoor and outdoor vacuum circuit breakers, permanent magnet circuit breakers, vacuum load switches, disconnectors, intelligent controllers, parts and complete sets of equipment, etc.

Q4: When can I get the price?

A: For customized products, we will quote after you provide the required product details within 48 hours, because we need time to calculate the cost, but we will quote as soon as possible.

Q5: How long is the delivery time?

A: The delivery date depends on the quantity ordered. The order goods will be delivered within the agreed time (except for special products)! The delivery time of a large number of goods shall comply with the provisions of the contract.

Q6: How does your company control quality?

A: Our company has purchased all kinds of design, manufacturing and testing equipment, and strictly controlled the production process. The product quality is stable and reliable, and the after-sales service is perfect. At the same time, if you need, we will take photos and videos for you.

Q7: What is the transportation mode of logistics and express delivery?
 
A: We provide corresponding transportation methods according to your needs.
 
If you have any other questions, please contact us!


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