China Wholesale Frame Circuit Breaker Supplier – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower
China Wholesale Frame Circuit Breaker Supplier – 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:
We're proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for China Wholesale Frame Circuit Breaker Supplier – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower, The product will supply to all over the world, such as: Rwanda, Victoria, Florence, As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!
By Priscilla from America - 2018.11.22 12:28
This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
By Karen from Birmingham - 2018.09.29 13:24
