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VS1-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.
♦ Installation way: withdrawable type, fixed type, side mounted type;
♦ Operating mechanism: spring ope rating mechanism, permanent magnetic operating mechanism;
♦ Pole type: assembled pole, embedded pole;
♦ Application: switchgear KYN28-12, XGN-12.
♦ Secondary plug: 58pins, 64pins.
Product Standards
♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
♦ GB1984 High Voltage AC Circuit-breakers
♦ GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers
♦ DL/T402 Specification of High-voltage AC Circuit-breakers
Environmental Conditions
♦ Ambient temperature: -15°C~+40°C;
♦ 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, 4000 |
6 | Rated short circuit breaking current | kA |
20, 25, 31.5, 40 |
7 | Rated short time withstand current |
20, 25, 31.5, 40 |
|
8 | Rated short circuit duration | s |
4 |
9 | Rated peak value withstand current |
kA |
50, 63, 80, 100 |
10 | Rated short circuit making current |
50, 63, 80, 100 |
|
11 | Secondary circuit power frequency withstand voltage (1min) | V |
2000 |
12 | Rated single / back-to-back capacitor bank breaking current | A |
630/400 (800/400 for 40kA and 50kA) |
No |
Item |
Unit |
Value |
13 |
Rated capacitor bank closing inrush current | A |
12.5 |
14 |
Opening time (rated voltage) |
ms |
20-50 |
15 |
Closing time (rated voltage) |
ms |
35-70 |
16 |
Mechanical life |
Times |
10000 |
17 |
Rated current breaking number |
Times |
10000 |
18 |
Rated short circuit current breaking number |
Times |
50 (30 for 40kA; 20 for 50kA) |
19 |
Moving and fixed contacts cumulative allowed wear thickness | mm |
3 |
20 | Rated closing operating voltage | V |
AC/DC110/220 |
21 | Rated opening operating voltage | ||
22 | Rated voltage of energy storage motor |
W |
70 (80 ror 40kA and 50kA) |
23 | Rated power of energy storage motor | ||
24 | Energy storage time | s |
<10 |
25 | Clearance between open contacts | mm |
11±1 |
26 | Over travel | mm |
3.5±0.5 |
27 | Contact closing bounce time | ms |
≤2 (≤3 for 40kA and 50kA) |
28 | Three phase opening and closing asynchronism | ms |
≤2 |
29 | Average opening speed |
m/s |
0.9-1.2 |
30 | Average closing speed |
m/s |
0.5-0.8 |
31 | Main conductive circuit resistance | μΩ |
≤60 (630A) ≤50(1250A) ≤35(1600-2000A) ≤25(above 2500A) |
32 | Closing contact pressure of the contacts | N |
2000±200 (20kA) 2400±200 (25kA) 3100±200 (31.5kA) 4250±250 (40kA) 6500±500 (50kA) |
33 | Rated operating sequence |
O-0.3s-CO-180s-CO O-180s-CO-180s-CO (50kA) |
Note: when current is 4000A or 5000A, need forced air cooling.
General Structure Drawing and Installation Size (unit: mm)
♦ Draw out type
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 | 508 | 202 | 40 |
650 | 1250 |
20 〜31.5 |
150 | 275 | 490 | 502 | 492 |
500 |
433 | 626 |
049 |
280 | 598 | 76 | 78 | 637 | 508 | 202 | 40 |
800 | 630 |
20 〜31.5 |
210 | 275 | 638 | 652 | 640 |
650 |
433 | 626 |
035 |
280 | 598 | 76 | 78 | 637 | 508 | 277 | 40 |
800 | 1250 |
20-40 |
210 | 275 | 638 | 652 | 640 |
650 |
433 | 626 |
049 |
280 | 598 | 76 | 78 | 637 | 508 | 277 | 40 |
800 | 1600 |
31.5〜40 |
210 | 275 | 638 | 652 | 640 |
650 |
433 | 626 | 055 | 280 | 598 | 76 | 78 | 637 | 508 | 277 | 40 |
1000 | 630 |
20 〜31.5 |
275 | 275 | 838 | 852 | 838 |
850 |
433 | 626 |
035 |
280 | 598 | 76 | 78 | 637 | 508 | 377 | 40 |
1000 | 1250 |
20 〜40 |
275 | 275 | 838 | 852 | 838 |
850 |
433 | 626 |
049 |
280 | 598 | 76 | 78 | 637 | 508 | 377 | 40 |
1000 | 1600 |
31.5-40 |
275 | 275 | 838 | 852 | 838 |
850 |
433 | 626 |
055 |
280 | 598 | 76 | 78 | 637 | 508 | 377 | 40 |
1000 | 1600-2000 |
31.5 〜40 |
275 | 310 | 838 | 852 | 838 |
850 |
361 | 680 |
079 |
295 | 586 | 77 | 88 | 698 | 536 | 377 |
0 |
1000 | 2500〜4000 |
31.5 〜40 |
275 | 310 | 838 | 852 | 838 |
850 |
361 | 680 |
0109 |
295 | 586 | 77 | 88 | 698 | 536 | 377 |
0 |
♦ Fixed type
Cabinet width |
Ra»a current (A) |
P |
H |
A |
C |
E |
G1 |
J |
K |
L |
650 |
630-1600 |
150 |
275 |
385 |
440 |
580 |
I |
237 |
455 |
395 |
800 |
630-1600 |
210 |
275 |
520 |
588 |
580 |
II |
237 |
455 |
410 |
1000 |
630~1600 |
275 |
275 |
720 |
770 |
580 |
II |
237 |
455 |
410 |
1000 |
1600~4000 |
275 |
310 |
720 |
770 |
632 |
III |
252 |
465 |
440 |
♦ Side mounted type
Our company aims to operating safely, and working in new technology and new machine continuously for OEM Manufacturer High Stability ZN63-VS1 Indoor High-voltage Vacuum Circuit Breaker Handcart Withdrawable Type 11KV 12KV 630A VCB Manufacturer, We believe that you will be glad with our high-quality products and solutions and rapid delivery. We sincerely hope you can give us an prospect to provide you and be your best partner!
OEM Manufacturer , Since our establishment, we keep on improving our products and solutions and customer service. Except this, we provide best OEM service. We warmly welcome OEM orders and customers all over the world to cooperate with us for mutual development in the future.