Category Picks : Material Handling Equipment, Welding Equipment, Laser Equipment, Filters, Motors, More...
There are 520 high voltage circuit breaker from 223 suppliers on EC21.com
Related Searches : high voltage circuit breaker , circuit breakers
Brand Name :
Mingde Electrical
Model Number :
ZW32-24
Place of Origin :
China
Related Keywords : high voltage circuit breaker , circuit breakers
IEC62271 - 100 40.5kv VMD5 High Voltage Vacuum Circuit Breaker / Pole Distance 300 ± 1.5
Technical Parameter
|
NO |
Item |
Unit |
Technical Date |
||
|
1 |
Rated voltage |
kV |
40.5 |
||
|
2 |
Rated short time power frequency withstand voltage(1min) |
95 |
|||
|
Raed lighting inpulse withstand voltage (peak value) |
185 |
||||
|
3 |
Rated Frequency |
Hz |
50/60 |
||
|
4 |
Rated current |
A |
630 |
630 |
1250 |
|
1250 |
1250 |
1600 |
|||
|
2000 |
|||||
|
2500 |
|||||
|
5 |
Rated short circuit breaking current |
kA |
20 |
25 |
31.5 |
|
6 |
Rated short time withstand current |
20 |
25 |
31.5 |
|
|
7 |
Rated peak withstand current |
50 |
63 |
80 |
|
|
8 |
4S rated short-time withstand current |
20 |
25 |
31.5 |
|
|
9 |
Rated shock steady current |
50 |
63 |
80 |
|
|
10 |
Rated short-circuit closing current (peak value) |
50 |
63 |
80 |
|
|
11 |
Duration of rated short-circuit current |
S |
4 |
||
|
12 |
Mechanical life |
Times |
10000 |
||
|
13 |
Rated making surge current of capacitor bank |
kA |
12.5 (The frequency is less than 1000Hz) |
||
|
14 |
Rated breaking current of single/symmetrical capacitor bank |
A |
630/400 |
||
|
15 |
Breaking times at rated short-circuit current |
Times |
20 |
||
|
16 |
Power frequency withstand voltage of secondary circuit |
V |
2000 |
||
|
17 |
Rated operating voltage |
AC110/220 |
DC110/220 |
||
|
18 |
Rated operating order |
O-0.3s-CO-180s-CO |
|||
|
19 |
Energy storage times |
S |
≤15 |
||
|
20 |
Contactor space |
mm |
20 ± 2 |
||
|
21 |
Contacting travel |
6 ± 1 |
|||
|
22 |
Pole distance |
300 ± 1.5 |
|||
|
23 |
Bounce time of Contactor during making |
ms |
≤3 |
||
|
24 |
Different time of breaking / making of 3 phases |
≤2 |
|||
|
25 |
Average breaking speed |
m/s |
1.5-1.9 |
||
|
26 |
Average making speed |
0.6-1.3 |
|||
|
27 |
Making time |
ms |
30-80 |
||
|
28 |
Brealing time |
20-45 |
|||
|
29 |
Rebound amplitude of contact breaking |
mm |
≤3 |
||
|
30 |
Permitted abrasion thickness of moving and fixed contacts |
3 |
|||
|
31 |
Conductance circuit resistance |
µΩ |
Handcart way |
Rated current |
|
|
≤60 |
under 1250A |
||||
|
≤60 |
1600-2000A |
||||
|
≤40 |
under 2500A |
||||
|
The average breaking speed refers to the average speed of contactor’s first 12mm, and the average making speed is that of contactor’s last 12mm. |
|||||
Outline Dimension Drawing
Dear friens, pls contact us for the outline dimension drawing, we will give you quick reply.
Summary
The VMD5 series indoor circuit-breaker is our independent developed new generation 40.5 kv vacuuum circuit breaker.
Its main characters as follows: the conductance circuit is installed in an three-phase insulating sleeve ,
its mechanism and conductance circuit adopts front and rear layout. And the mechanism is our deveoped new design,
with simple construction, reliable operation
Technical standard
All the technical parameters of breaker completely satisfy the Standards Of GB1984 AC Highvoltage Breaker,
GB/T 11022 -1999 Common Specifications For High-Voltage Switchgear And Controlgear Standards,
China Power Sector Standards DL403.
Also meet the requirements of IEC62271-100, IEC56 and other main industrialized countries’ similar standards
Testing
VMD5 series circuit breaker have passed has passed following
test , to ensure the product’s safe Operation.
Type tests : power-frequency withstand voltage tests , lighting impact withstand voltage tests, , temperature rising tests,
short-time withstand current tests , peak withstand current tests , short circuit breaking ability tests ,
mechanical lift tests, ect
Routine test before out of factory: mechanical performance test , power-frequency withstand voltage tests of the main circuit , insulating property tests on control and auxiliary circuits ,
measurement of ther resistance of the main circuit , interlock operating tests , mechanical operating tests,
Electrical Equipment operating tests.
Scope of application
It is universally used in power plant , electric network , metallurgy industry petrochemical industry and infrastructures,
such as airport , subway, building.
Safety
VMD5 circuit breaker possesses perfect mechanical and electric interlock equipment , meanwhile ,
its high reliable operating performance and mechanical life , coodinated with matched switchgear cabinet ,
to ensure normal power distribution , operator and equipment’s safety.
Similar products in other categories :
Browse: Manufacturer Directory Countries China India Korea Premium Suppliers Community Site Map
About EC21 Contact Us Terms & Conditions Report Item Online Trading Risks Product Listing Policy
中文 繁體 한국어 日本語 Español Русский Français Deutsch
Hot Products : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Copyright (c)1997-2013 EC21 Inc. All Rights Reserved. EC21 in KoreanChinese
Business Registry Number: 120-86-03931