FZW32 Outdoor Vacuum Load Break Switch
description
FZW32 Outdoor Vacuum Load Break Switch is used for power system, it is suitable for 12kV 50Hz three-phase power system. The frame of this switch is applied with the stainless steel or steel with hot-dip galvanization and anti-UV coating. All the elements are used the stainless steel. To make sure the stable and perfect function of the switch.
parameters
Technical Information
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Technical Specification |
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Rated voltage |
|
kV |
12 |
40.5 |
|
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Rated frequency |
|
Hz |
50 |
50 |
|
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Rated current |
|
A |
630 |
1250 |
|
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Rated active load breaking current |
A |
630 |
1250 |
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Rated closed-loop breaking current |
A |
630 |
1250 |
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5% rated active load breaking current |
A |
31.5 |
62.5 |
||
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Rated cable charging breaking current |
A |
10 |
25 |
||
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Rated no-load transformer breaking capacity |
kVA |
1600 |
1600 |
||
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Rated breaking capacitor bank current |
A |
100 |
100 |
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1min power frequency withstand voltage: vacuum fracture, phase, relative / isolation fracture |
kV |
42/48 |
68/95/110 |
||
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Lightning impulse withstand voltage: phase-to-phase, relative/isolated fracture |
kV |
75/85 |
185/215 |
||
|
ated short-time withstand current (thermal stability) |
kA |
20 |
25 |
||
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Rated short circuit duration |
S |
4 |
4 |
||
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ated peak withstand current (dynamic stability) |
kA |
50 |
63 |
||
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Rated short circuit closing current |
kA |
50 |
63 |
||
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Mechanical life |
|
Times |
10000 |
10000 |
|
|
Vacuum arcing contacts allow wear thickness |
mm |
0.5 |
0.6 |
||
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Manual operating torque |
|
N.m |
≤200 |
≤300 |
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|
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Contact opening distance |
mm |
|
5±1 |
|
|
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Average opening speed |
m/s |
|
1.1±0.2 |
|
|
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Three-phase opening |
ms |
|
≤5 |
|
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Load switch vacuum interrupter assembly adjustment |
Three-phase closing |
ms |
|
≤2 |
|
|
|
Charged body and relative distance |
mm |
|
>200 |
|
|
|
Auxiliary loop resistance |
μΩ |
|
≤300 |
|
Company profile
Zhejiang Xikai Electric Co., Ltd engineers and manufactures medium- high-voltage electric
equipment, components and systems that deliver reliable electric power to homes, industries,
businesses, and institutions worldwide. We are a leader in providing load break switch, vacuum
circuit breaker, isolating switch that enable customers to increase productivity, improve system
reliability and reduce costs.
Our products, services, and solutions are used worldwide for public, commercial, and industrial
power systems. Our products had passed the test at Ministry of Power Industry of PRC and
Electric Power Research Institute of PRC.
As a global manufacture, Zhejiang Xikai Electric Co., Ltd provides a wide range of
forward-looking solutions including Power Systems Protection, Distribution System Reliability
and Power Quality products and services. Through our commitment to research and development,
we continue to develop smart solutions for safe, reliable, environmentally friendly power
protection.
Our products include indoor high voltage load break switch, vacuum load break switch, circuit
breaker; outdoor high voltage load break switch, circuit breaker; high voltage earthing switch;
high voltage isolating switch and fuse.
We offer our customers integrated protective solutions using innovative products combined with
unrivalled service and reliability world wide
