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China Wholesale Switch Board Designing Manufacturer – ZW8-12 Vacuum Circuit Breaker – L&R

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China Wholesale Switch Board Designing Manufacturer – ZW8-12 Vacuum Circuit Breaker – L&R Detail:

Specification

Serial number

parameter name

Value

1

Rated voltage

12KV

2

Rated current

630A

3

Power frequency withstand voltage

42kV/48kV

4

Mechanical life

10000

5

Isolation new port disconnect distance

> 200mm

6

Average opening speed

1.0+0.2m/s

7

Average closing speed

0.7+0.15m/s

Parameter

Rated voltage

KV

12

Max. operating voltage

KV

12

Rated current

A

630

Rated short circuit load breaking current

KA

20

Rated short circuit making current (peak)

KA

50

Rated p-eak withstand current

KA

50

Rated short time withstand current 1 min

KA

20

Rated insulation Power

level

Power frequency withstand voltage (dry) 

KV

42

Lig htning impulse withstand voltage (peak}

KV

75

Rated operating sequence

 

(O)-0.3s{CO)-180s (CO)

Mechanical life

time

10000

Nos of breaking rated short circuit breaking current

time

30

Rated dosing voltage of operating mechanism

V

110,220

Rated opening voltage of operating mechanism

V

110,220

Opening distance of contact

mm

11 ±1

Over travelling distance (spring compressed length of contact}

mm

3

Asynchrony of opening or closing three phases

ms

≤2

Jumping time of contact closing

ms

≤2

Average opening speed

s

1.0±0.2

Average closing speed

s

0 7±0.15

Opening time

Under highest operating voltage

s

0.015-0.05

Under lowest operating voltage

s

0.03-0.06

Closing time

s

0.025-0.05

Main circuit resistance of each phase

卩C

≤120

Permissible abraded thickness of moving and static contacts

mm

3


Product detail pictures:

China Wholesale Switch Board Designing Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Switch Board Designing Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Switch Board Designing Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Switch Board Designing Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures


Related Product Guide:

Our solutions are broadly acknowledged and dependable by users and may meet consistently developing economic and social requires for China Wholesale Switch Board Designing Manufacturer – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Mauritania, London, Senegal, We supply professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
  • We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Roberta from Afghanistan - 2017.08.15 12:36
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Astrid from Macedonia - 2017.12.19 11:10
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