We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for Factory supplied China Vs1-12 /Zn63-12 High Voltage Indoor Vacuum Circuit Breaker, Any involves from you might be paid out with our greatest notice!
We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for China Circuit Breaker, Vacuum Circuit Breaker, Now the competition in this field is very fierce; but we are going to still provide best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. “Change for the better!” is our slogan, which means “A better world is before us, so let’s enjoy it!” Change for the better! Are you ready?
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)
We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for Factory supplied China Vs1-12 /Zn63-12 High Voltage Indoor Vacuum Circuit Breaker, Any involves from you might be paid out with our greatest notice!
Factory supplied China Circuit Breaker, Vacuum Circuit Breaker, Now the competition in this field is very fierce; but we are going to still provide best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. “Change for the better!” is our slogan, which means “A better world is before us, so let’s enjoy it!” Change for the better! Are you ready?