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ZW7 Outdoor Vacuum Circuit Breaker
Quick Details
Product Code:
8535900090
OEM:
Available
Sample:
Available
Port:
NingBo/ShangHai
Payment:
PayPal,VISA,L/C,T/T,MasterCard,Western Union
Place of Origin:
China
Supply Ability:
100 piece per week
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description

ZW7-40.5 outdoor high voltage vacuum circuit breaker is used for AC three-phase power system with 50Hz and voltage of 40.5kV, which is used for breaking, closing load current, overload current and short circuit current.

parameters

Technical Information

Technical Specification

 

 

 

Rated voltage

 

 

 

40.5

Rated insulation

 

 

Power frequency withstand voltage

 

Dry

kV

95

 

Wet

 

80

level

 

 

Lightning impulse withstand voltage (peak)

 

185

Rated current

 

 

A

1250、1600、2000

Rated short-circuit breaking current

 

kA

20、25、31.5

Rated operation sequence

 

 

Points -0.3s combined -180s combined

Rated short circuit current breaking times

Times

≥30

Rated short circuit closing current (peak)

kA

50、63、80

Rated peak withstand current

 

 

 

Rated short-time withstand current

 

kA

20、25、31.5

Rated short circuit continuous current

 

S

4

Average opening speed

 

m/s

1.5±0.2

Average closing speed

 

 

0.7±0.2

Contact closing bounce time

 

 

≤2

Three-phase combined (minute) gate synchronous time difference

S

≤2

Closing time

 

 

 

≤150

Opening time

 

 

 

≤60

Mechanical life

 

 

Times

10000

 

Rated operating voltage and auxiliary circuit rated voltage

 

 

V

 

DC220、110、24

AC220、110、24

DC resistance per phase circuit (without transformer)

μΩ

≤100

Dynamic and static contacts allow wear thickness

mm

3

Weight

 

 

kg

800

 

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
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