Factory wholesale Vacuum Circuit Breaker 40.5kv - VSG-12 Series Indoor High Voltage Vacuum Circuit Breaker – Ghorit Detail:
VSG-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.
♦ Installation way: withdrawable type, fixed type;
♦ Operating mechanism: spring operating mechanism;
♦ Pole type: assembled pole, embedded pole;
♦ Phase-to-phase distance: 150mm, 210mm, 275mm;
Environmental Conditions
♦ Ambient temperature: -15r~+40r；
♦ Altitude: <1000m;
♦ Relative humidity: daily average <95%, monthly average <90%；
♦ Earthquake intensity: <8 level;
♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.
Main Technical Parameters
| No |
Item |
Unit |
Value |
| 1 | Rated voltage |
kV |
12 |
| 2 | 1 min power frequency withstand voltage |
42 |
|
| 3 | Rated lightning impulse withstand voltage |
75 |
|
| 4 | Rated frequency |
Hz |
50 |
| 5 | Rated current | A |
630, 1250, 1600, 2000, 2500, 3150 |
| 6 | Rated short circuit breaking current |
kA |
25, 31.5, 40 |
| 7 | Rated short time withstand current |
25, 31.5, 40 |
|
| 8 | Rated short circuit duration | s |
4 |
| 9 | Rated peak value withstand current |
kA |
63, 80, 100 |
| 10 | Rated short circuit making current |
63, 80, 100 |
|
| 11 | Secondary circuit power frequency withstand voltage (Imin) | V |
2000 |
| 12 | Rated single / back-to-back capacitor bank breaking current | A |
630/400 (800/400 for 40kA) |
| Opening time (rated voltage) |
ms |
20-50 |
|
|
14 |
Closing time (rated voltage) |
ms |
35-70 |
|
15 |
Mechanical life |
Times |
10000 |
|
16 |
Electrical life |
E2 class |
|
|
17 |
Moving and fixed contacts cumulative allowed wear thickness | mm |
3 |
|
18 |
Rated closing operating voltage | V |
AC/DC110/220 |
|
19 |
Rated opening operating voltage |
|
No |
Item |
Unit |
Value |
|
20 |
Motor rated power |
W |
90 |
|
21 |
Charging time |
s |
≤15 |
|
22 |
Clearance between open contacts |
mm |
9±1 |
|
23 |
Over travel |
mm |
3±1 |
| 24 | Contact closing bounce time |
ms |
≤2 |
|
25 |
Three phase opening and closing asynchronism |
ms |
≤2 |
| 26 | Average opening speed |
m/s |
0.9-1.7 |
| 27 | Average closing speed |
m/s |
0.6 〜1.0 |
|
28 |
Main conductive circuit resistance |
μΩ |
≤45 (630A) ≤35(1250-2000A) ≤25(above 2500A) |
| 29 | Closing contact pressure of the contacts | N |
3100-3700 (25-31.5kA) 4400-4800 (40kA) |
| 30 | Rated operating sequence |
O-0.3s-CO-180s-CO |
Note: when current is 4000A, need forced air cooling.
General Structure Drawing and Installation Size (unit: mm)
♦ Draw out type (assembled pole)
|
cabinet width |
rated current (A) |
rated short circuit breaking current (kA) |
P | H | A |
B |
C |
D |
E |
F |
G |
J |
K |
L |
M |
N |
R |
S |
T |
|
650 |
630 |
20’31.5 |
150 | 275 | 490 | 502 | 492 | 500 | 433 | 626 | 035 | 280 | 598 | 76 | 78 | 637 | 501 | 202 | 40 |
| 650 | 12j0 |
20-31.5 |
150 | 275 | 490 | 502 | 492 | 500 | 433 | 626 | 049 | 280 | 598 | 76 | 78 | 637 | 501 | 202 | 40 |
|
800 |
630 |
20-31.5 |
210 | 275 | 638 | 652 | 640 | 650 | 433 | 626 | 035 | 280 | 598 | 76 | 78 | 637 | 501 | 277 | 40 |
| 800 | 1250 |
20-40 |
210 | 275 | 638 | 652 | 640 | 650 | 433 | 626 | 049 | 280 | 598 | 76 | 78 | 637 | 501 | 277 | 40 |
| 800 | 1600 |
31.5-40 |
210 | 275 | 638 | 652 | 640 | 650 | 433 | 626 | 055 | 280 | 598 | 76 | 78 | 637 | 501 | 277 | 40 |
| WOO | 030 |
20-31.5 |
275 | 275 | 838 | 852 | 838 | 850 | 433 | 626 | 035 | 280 | 598 | 76 | 78 | 637 | 501 | 377 | 40 |
| 1000 | 1250 |
20-40 |
275 | 275 | 838 | 852 | 838 | 850 | 433 | 626 | 049 | 280 | 598 | 76 | 78 | 637 | 501 | 377 | 40 |
| 1000 | 1600 |
31.5-40 |
275 | 275 | 838 | 852 | 838 | 850 | 433 | 626 | 055 | 280 | 598 | 76 | 78 | 637 | 501 | 377 | 40 |
| 1000 | 1600-2000 |
31.5-40 |
310 | 310 | 838 | 852 | 838 | 850 | 361 | 680 | 079 | 295 | 586 | 77 | 88 | 698 | 529 | 377 |
0 |
| 1000 | 2500-4000 |
31.5-40 |
310 | 310 | 838 | 852 | 838 | 850 | 361 | 680 |
0109 |
295 | 586 | 77 | 88 | 698 | 529 | 377 | 0 |
♦ Draw out type (embedded pole)
|
G |
J |
K |
L |
M |
N |
R |
S |
T |
| 0)35 | 280 | 598 |
76 |
78 |
637 | 501 |
202 |
40 |
| ①49 | 280 | 598 |
76 |
78 |
637 | 501 |
202 |
40 |
| 035 | 280 | 598 |
76 |
78 |
637 | 501 |
277 |
40 |
| ①49 | 280 | 598 |
76 |
78 |
637 | 501 |
277 |
40 |
| (D79 | 295 | 586 |
77 |
88 |
698 | 509 |
377 |
0 |
| 0109 | 295 | 586 |
77 |
88 |
698 | 509 |
377 |
0 |
♦ Fixed type (assembled pole)
|
A |
B |
C |
E |
F |
G1 G2 |
J |
K |
|
520 |
520 |
588 |
580 |
72 |
I |
237 |
462 |
|
720 |
720 |
770 |
580 |
72 |
I |
237 |
462 |
|
650 |
720 |
770 |
632 |
85 |
II |
252 |
472 |
♦ Fixed type (embedded pole)
Product detail pictures:
Related Product Guide:
Our team through professional training. Skilled professional knowledge, strong sense of service, to meet the service needs of customers for Factory wholesale Vacuum Circuit Breaker 40.5kv - VSG-12 Series Indoor High Voltage Vacuum Circuit Breaker – Ghorit, The product will supply to all over the world, such as: Macedonia, Riyadh, Norway, Insisting on the high quality generation line management and customers expert assistance, we now have designed our resolution to supply our buyers using the to start with amount getting and just after services practical experience. Maintaining the prevailing friendly relations with our buyers, we however innovate our solution lists all of the time to satisfy the brand new demands and adhere to the most up-to-date development of the market in Malta. We have been ready to face the worries and make the improve to understand all the possibilities in international trade.
By June from Panama - 2017.09.09 10:18
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By Giselle from Sweden - 2018.12.22 12:52