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China Wholesale Construction Distribution Box Manufacturer – ZW8-12 Vacuum Circuit Breaker – L&R

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Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Push To Reset Circuit Breaker, Changing A Breaker Switch, 12kv 36kv Automatic Circuit Recloser Price With Ftu Controller, "Passion, Honesty, Sound services, Keen cooperation and Development" are our goals. We've been here expecting close friends all around the earth!
China Wholesale Construction Distribution Box 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 Construction Distribution Box Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Construction Distribution Box Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Construction Distribution Box Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

China Wholesale Construction Distribution Box Manufacturer –  ZW8-12 Vacuum Circuit Breaker – L&R detail pictures


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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for China Wholesale Construction Distribution Box Manufacturer – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Manchester, Norway, Italy, We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality products and good after-sales services. Up to now, our products have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.
  • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Beryl from Guatemala - 2018.09.29 17:23
    We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Deborah from London - 2018.07.26 16:51
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