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Cheap HV Isolating switch Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R

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Cheap HV Isolating switch Manufacturers - 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:

Cheap HV Isolating switch Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap HV Isolating switch Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap HV Isolating switch Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap HV Isolating switch Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures


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  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Bertha from Botswana - 2017.09.29 11:19
    In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Myra from Japan - 2018.06.30 17:29
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