DISTRIBUTION SOLUTIONS
15
15
Circuit breaker
Vmax/L 12
Vmax/L 17
Vmax/W 12
Vmax/W 17
Vmax/W 15
Vmax/Sec 12
Vmax/Sec 17
Use in switchgear/enclosure
UniGear 550
UniGear 550
PowerCube
PowerCube
PowerCube
UniSec WBC/WBS
UniSec WBC/WBS
Standards
IEC 62271-100
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CEI EN62271-100 (file 7642)
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C37.54 - C37.09 - C37.04 - C37.55
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UL Listed
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(on request)
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Rated voltage
Ur [kV]
12
17.5
12
17.5
15
12
17,5
Rated insulation voltage
Us [kV]
12
17.5
12
17.5
15
12
17,5
Withstand voltage at 50 Hz
Ud (1 min) [kV]
28
38
28
38
36 (at 60 Hz)
28
42
Impulse withstand voltage
Up [kV]
75
95
75
95
95
75
95
Rated frequency
fr [Hz]
50-60
50-60
50-60
50-60
60
50-60
50-60
Rated normal current (40 °C)
Ir [A]
630
1250
630
1250
630
1250
630
1250
1200
630
1250
630
1250
Rated breaking capacity
(rated symmetrical short-circuit current)
Isc [kA]
16
16
16
16
16
16
16
16
-
16
16
16
16
20
20
20
20
20
20
20
20
-
20
20
20
20
25
25
25
25
25
25
25
25
25 (3 cycles)
25
25
25
25
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5 (3 cycles)
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-
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Rated short-time
withstand current (3s)
Ik [kA]
16
16
16
16
16
16
16
16
-
16
16
16
16
20
20
20
20
20
20
20
20
-
20
20
20
20
25
25
25
25
25
25
25
25
25 (2s)
25
25
25
25
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5 (2s)
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-
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Making capacity
Ip [kA]
40
40
40
40
40
40
40
40
-
40
40
40
40
50
50
50
50
50
50
50
50
-
50
50
50
50
63
63
63
63
63
63
63
63
65
63
63
63
63
80
80
80
80
80
80
80
80
82
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Operation sequence
[O - 0.3" - CO - 15" - CO]
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[O - 0.3" - CO - 3' - CO]
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Opening time
[ms]
33 ... 60
33 ... 60
33 ... 60
33 ... 60
27 ... 32.5
33…60
33…60
33…60
33…60
Arc duration
[ms]
10 ... 15
10 ... 15
10 ... 15
10 ... 15
10 ... 17.5
10…15
10…15
10…15
10…15
Total breaking time
[ms]
43 ... 75
43 ... 75
43 ... 75
43 ... 75
<50
43…75
43…75
43…75
43…75
Closing time
[ms]
30 ... 60
30 ... 60
30 ... 60
30 ... 60
45 ... 80
30…60
30…60
30…60
30…60
Maximum
overall
dimensions
H [mm/in]
665
665
665
665
665
665
665
665
665/26.18
665
665
665
665
W [mm/in]
461
461
461
461
503
503
503
503
503/19.80
503
503
503
503
D [mm/in]
665
665
665
665
662
662
662
662
662/26.06
662
662
662
662
Pole centre P [mm/in]
150
150
150
150
150
150
150
150
150/5.91
150
150
150
150
Weight
[kg/lb]
98
98
98
98
98
98
98
98
98/215.60
98
98
98
98
Standardized table of dimensions
1VCD
003334
003334
003280
003280
003280
003280
003280
003280
003280
Operating temperature
[°C]
-5 ... +40
-5 ... +40
-5 ... +40
-5 ... +40
-30 ... +40
-5…+40
-5…+40
Tropicalization
IEC: 60068-2-30, 60721-2-1
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Electromagnetic compatibility
IEC 62271-1
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Summary of Contents for Vmax 12
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