Detailed Product Description
Features:
1) VCBI-12L-R/630 series high-voltage circuit breaker is a kind of indoor high-voltage switch
1) VCBI-12L-R/630 series high-voltage circuit breaker is a kind of indoor high-voltage switch
equipment with 50Hz three-phase alternating current and 12kV rated voltage, which combines the technique of the ABB corporation in Switzerland and domestic development state and manufacturing capability
2) The general framework of this product takes the form combining the front body and operation system into one.
2) The general framework of this product takes the form combining the front body and operation system into one.
3) Because it adopts the composite insulated material, there is no pollution and explosion danger, and the insulation level is high.
Specifications:
1) Rated voltage: 12kV
2) Rated current: 630, 1,250A, 1600,2000,2500,3150,4000
3) Rated short circuit breaking current: 20, 25,31.5, 40, 50kA
1) Rated voltage: 12kV
2) Rated current: 630, 1,250A, 1600,2000,2500,3150,4000
3) Rated short circuit breaking current: 20, 25,31.5, 40, 50kA
4) Mechanical life: 10,000 times
|
No. |
Item |
Unit |
Parameters | ||||||
|
1 |
Work Voltage |
Kv |
6~12 | ||||||
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2 |
Rated Voltage |
Kv |
12 | ||||||
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3 |
Rated Insulation level |
Short-time power Frequency Withstand Voltage(1min) |
Kv |
42 | |||||
|
Lightning Impulse Withstand Voltage(Peak) |
Kv |
75 | |||||||
|
4 |
Rated Frequency |
Hz |
50 | ||||||
|
5 |
Rated Current |
A |
630
1250 |
630
1250 |
630 1250
1600 2000
2500 3150 |
1250 1600
2000 2500
3150 4000 |
1600 2000
2500 3150
4000 | ||
|
6 |
Rated Short Circuit Breaker Current |
Ka |
20 |
25 |
31.5 |
40 |
50 | ||
|
7 |
Rated Short-time Withstand Current |
Ka |
20 |
25 |
31.5 |
40 |
50 | ||
|
8 |
Rated Short Current Continuous Time |
S |
4 | ||||||
|
9 |
Rated peak withstand current |
Ka |
50 |
63 |
80 |
100 |
125 | ||
|
10 |
Rated short circuit making current |
Ka |
50 |
63 |
80 |
100 |
125 | ||
|
11 |
Secondary circuit power frequency withstand voltage(min) |
V |
2000 | ||||||
|
12 |
Rated single/back-to-back capacitor bank breaking current |
A |
(for 40ka 800/400) | ||||||
|
13 |
Rated capacitor bank making surge |
Ka |
12.5(Frequency≤1000Hz) | ||||||
|
14 |
Opening time(Rated voltage) |
Ms |
20~50 | ||||||
|
15 |
Closing time(Rated voltage) |
Ms |
35~70 | ||||||
|
16 |
Mechanical endurance(Life) |
cycle |
20000(50ka for 10000 cycle) | ||||||
|
17 |
Rated current opening cycles(Electrical life) |
cycle |
20000(50ka for 10000 cycle) | ||||||
|
18 |
Rated short circuit current breaking cycles |
cycle |
50(40ka 30;50ka 20) | ||||||
|
19 |
Allowable accumulated wear thickness of moving&fixed contacts |
mm |
3 | ||||||
|
20 |
Rated closing operating voltage |
V |
AC 110/220 DC 110/220 | ||||||
|
21 |
Rated opening operating voltage |
V |
AC 110/220 DC 110/220 | ||||||
|
22 |
Energy-storge motor rated voltage |
V |
AC 110/220 DC 110/220 | ||||||
|
23 |
Energy-storge motor rated power |
W |
80 | ||||||
|
24 |
Energy-storge time |
S |
≤15 | ||||||
|
25 |
Contact spacing |
mm |
11±1(8±1)﹡/15±1 | ||||||
|
26 |
Over-travel |
mm |
3.5±1 | ||||||
|
27 |
Contact closing bounce time |
ms |
≤2 | ||||||
|
28 |
3-phase opening and closing asynchrony |
m/s |
≤2 | ||||||
|
29 |
Average closing speed |
Contact separation~6mm(made in China) |
m/s |
0.9~1.2(0.7~1.2)﹡/1.5±0.2 | |||||
|
Contact separation~5mm(Siemens) | |||||||||
|
30 |
Average closing speed |
Full travel(Made in China) |
m/s |
0.5~0.8(0.4~0.8)﹡/0.8±0.2 | |||||
|
Contact separation~5mm(Siemens) | |||||||||
|
31 |
Opening contact bounce back amplitude |
mm |
≤3 | ||||||
|
32 |
Main conducting loop resistance |
μΩ |
≤50(630A) ≤45(1250A) | ||||||
|
≤35(1600~2000A) ≤25(2500A) | |||||||||
|
33 |
Closing contact connect pressure |
N |
2400±200(20KA,25KA) | ||||||
|
3100±200(31.5KA) | |||||||||
|
4250±250(40KA) 7000±250(50KA) | |||||||||
|
34 |
Rated operating sequence |
|
0-0.3s-CO-180s-CO | ||||||
|
0-180s-CO-180s-C0(40KA,50KA) | |||||||||
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