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OM3 Moulded Case Circuit Breaker (MCCB)
Specification
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Breaking capacity |
B |
N |
S |
H |
X |
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Rated current of frame size Inm |
160 |
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Rated current In |
12.5,16,20,25, (30),32,40,50,(60),63,80,100,125,(150),160 |
12.5,16,20,25,32,40, 50,63,80,100,(125) |
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Rated insulation voltage Ui |
690V |
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Rated operating voltage Ue |
400V |
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Number of poles |
3 |
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Icu 400V/50HZ 0-CO KA Rated ultimate short-circuit breaking capacity |
20 |
35 |
50 |
50 |
70 |
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Ics 400V/50HZ O-CO-COKARated service short-circuit breaking capacity |
10 |
17.5 |
37.5 |
37.5 |
52.5 |
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Icm 400V/50HZ 0-CO KA Rated short-circuit making capacity |
40/0.3 |
74/0.25 |
105/0.25 |
105/0.25 |
154 |
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Uimp V Rated impulse withstand voltage |
8000 |
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Dielectric property V |
3000 |
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Endurance |
Total cycles |
8000 |
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Electrical endurance |
1000 |
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Mechanical endurance |
7000 |
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Ionization distance (mm) |
≤30/0 |
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Over current trip unit |
Thermal magnetic release |
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Intelligent trip unit |
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Utilization category |
Main circuit |
A
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Auxiliary circuit |
AC-15 |
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Outline dimensions |
W(mm) |
90 90 |
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L(mm) |
120 120 |
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H(mm) |
70 82 |
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