China Wholesale Vacuum Circuit Breaker Manufacturer – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower
China Wholesale Vacuum Circuit Breaker Manufacturer – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower Detail:
Model and Meaning
Use Environmental Conditions
a. Altitude: no more than 1000m
b. Ambient temperature: -15℃～+40℃, the daily average temperature does not exceed +35℃
c. Environmental humidity: daily average relative humidity: ≤95% monthly average relative humidity: ≤90%
Daily average vapor pressure: ≤2.2×10-3 MPa Monthly average vapor pressure: ≤1.8×10-3MPa
d. Earthquake intensity: no more than 8 degrees
e. Location of use: Ambient air is not appreciably polluted by dust, smoke, corrosive and/or flammable gases, vapors or salt mist.
Note: When the actual use environment does not meet the above conditions, please consult with our company.
Technical Parameter
|
No. |
Items |
Unit |
Data |
|||
|
1 |
Rated voltage |
kV |
40.5 |
|||
|
2 |
Rated frequency |
Hz |
50 |
|||
|
3 |
1min power frequency withstand voltage |
Between poles, To earth |
kV |
95 |
||
|
Fractures |
118 |
|||||
|
Lightning impulse withstand voltage |
Between poles, To earth |
185 |
||||
|
Fractures |
215 |
|||||
|
4 |
Rated current |
A |
1250 1600 2000 2500 |
|||
|
5 |
Rated short-time withstand current (RMS) |
kA |
25 |
31.5 |
||
|
6 |
Rated peak withstand current |
63 |
80 |
|||
|
7 |
Rated short-circuit breaking current (RMS) |
25 |
31.5 |
|||
|
8 |
Rated short-circuit making current (peak value) |
63 |
80 |
|||
|
9 |
Rated short circuit duration |
s |
4 |
|||
|
10 |
Rated sequence of operations |
O-0.3s-CO-180s-CO |
||||
|
11 |
Rated out-of-phase earth fault breaking current |
kA |
21.7 |
27.4 |
||
|
12 |
Rated cable charging current switching test |
A |
50 |
|||
|
13 |
Rated single/back-to-back capacitor bank breaking current |
800/800 |
||||
|
14 |
Mechanical life |
times |
10000 |
|||
|
15 |
Short circuit current breaking times |
times |
30 |
|||
|
16 |
Secondary circuit 1 min power frequency withstand voltage |
2000 |
||||
|
17 |
Rated operating voltage |
Closing coil |
V |
DC110/220, AC220 |
||
|
Opening coil |
V |
DC110/220, AC220 |
||||
|
18 |
Rated voltage of energy storage motor |
W |
DC110/220, AC220 |
|||
|
19 |
Rated power of energy storage motor |
s |
250 |
|||
|
20 |
Energy storage time (rated voltage) |
s |
≤10 |
|||
|
21 |
Rated pressure of SF6 gas (gauge pressure at 20°C) |
Mpa |
0.350+0.02 |
|||
|
22 |
Alarm pressure |
Mpa |
0.29±0.01 |
|||
|
23 |
Minimum functional pressure (blocking pressure) |
Mpa |
0.28±0.01 |
|||
|
24 |
Annual leak rate |
% |
≤0.5 |
|||
|
25 |
Gas moisture content |
μL/L |
≤150 |
|||
|
26 |
Moving contact stroke |
mm |
≥78 |
|||
|
27 |
Contact Spacing |
mm |
50±1.5 |
|||
|
28 |
Opening time |
ms |
60~78 |
|||
|
29 |
Closing time |
ms |
65~95 |
|||
|
30 |
Three-phase closing and opening are not periodic |
≤5 |
||||
|
31 |
Average opening speed (within 10ms after halfway) |
ms |
2.2~2.8 |
|||
|
32 |
Average closing speed (within 10ms after half-way) |
ms |
≥1.5 |
|||
|
33 |
Main conductive loop resistance |
μΩ |
≤32(Handcart) |
≤20(Fixed type） |
||
Main Structure
Product detail pictures:
Related Product Guide:
Assume full duty to satisfy all demands of our clients; reach steady advancements by marketing the development of our purchasers; grow to be the final permanent cooperative partner of clientele and maximize the interests of customers for China Wholesale Vacuum Circuit Breaker Manufacturer – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower, The product will supply to all over the world, such as: Monaco, Anguilla, Greece, To make every client satisfied with us and achieve win-win success, we will continue to try our best to serve and satisfy you! Sincerely looking forward to cooperating with more overseas customers based on mutual benefits and great future business. Thank you.
By Josephine from Iraq - 2018.11.22 12:28
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Ruth from Naples - 2017.10.25 15:53
