China Wholesale 11Kv Vacuum Circuit Breaker Manufacturer – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower
China Wholesale 11Kv Vacuum Circuit Breaker Manufacturer – 40.5kV SF6 Circuit Breaker GPFN Series – 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:
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By Eric from Bahrain - 2018.06.05 13:10
This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
By Brook from Philadelphia - 2017.01.11 17:15
