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HYUNDAI
UAN
Air Circuit Breaker
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Frame |
A frame |
B frame |
C frame |
D frame |
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Recognition order code:
Rated current (In max at 40˚C) (A) |
UAN06A: 630 |
UAN06B: 630 |
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UAN08A: 800 |
UAN08B: 800 |
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UAN10A: 1,000 |
UAN10B: 1,000 |
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UAN12A: 1,250 |
UAN12B: 1,250 |
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UAN16A: 1,600 |
UAN16B: 1,600 |
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UAN20A: 2,000 |
UAN20B: 2,000 |
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UAN25B: 2,500 |
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UAN32B: 3,200 |
UAN32C: 3,200 |
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UAN40B: 4,000 |
UAN40C: 4,000 |
UAN40D: 4,000 |
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UAN50C: 5,000 |
UAN50D: 5,000 |
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UAN63D: 6,300 |
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Rated operating voltage (Ue) (V) |
AC690 |
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Rated insulation voltage (Ui) (V) |
AC1,000 |
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Frequency (Hz) |
50/60 |
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Number of poles |
3, 4 |
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Current setting range (….. x In max) |
0.4 - 1.0 |
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Rated current of neutral pole (…..% x In) |
100% |
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Rated breaking
capacity
(Icu)
(kA sym) |
IEC 60947-2
category “B”
KS C 4620 |
AC690/600/550V |
65 |
85 |
85 |
100 |
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AC500/480/460V |
85 |
100 |
100 |
150 |
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AC415/380/230/220V |
85 |
100 |
100 |
150 |
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Rated service breaking capacity (…..% x Icu) |
100% |
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Rated making
capacity
(Icm)
(kA peak) |
IEC 60947-2
category “B”
KS C 4620 |
AC690/600/550V |
143 |
187 |
187 |
220 |
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AC500/480/460V |
187 |
220 |
220 |
330 |
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AC415/380/230/220V |
187 |
220 |
220 |
330 |
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Rated short-time capacity
(Icw)
(kA, without Inst.) |
1 sec |
65 |
85 |
85 |
100 |
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2 sec |
60 |
75 |
75 |
100 |
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3 sec |
50 |
65 |
65 |
100 |
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Rated impulse withstand voltage (Uimp) (kV) |
12 |
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Maximum total breaking time (ms) |
40 |
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Closing operating time |
Motor charging time (sec) max. |
10 |
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Closing time (ms) max. |
80 |
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Life cycle (times) |
Mechanical |
Without maintenance |
20,000 |
15,000 |
10,000 |
10,000 |
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With maintenance |
30,000 |
20,000 |
15,000 |
15,000 |
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Electrical |
Without maintenance |
5,000 |
06 - 20: 10,000 |
2,000 |
2,000 |
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25 - 40: 5,000 |
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With maintenance |
10,000 |
06 - 20: 15,000 |
5,000 |
5,000 |
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25 - 40: 10,000 |
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