China Wholesale Load Break Switch 630A Supplier – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower
China Wholesale Load Break Switch 630A Supplier – 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:
We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for China Wholesale Load Break Switch 630A Supplier – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower, The product will supply to all over the world, such as: Birmingham, Libya, India, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we've been committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have now passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
By Lilith from Tunisia - 2018.11.28 16:25
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
By Sarah from Serbia - 2017.10.27 12:12
