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OM3 Moulded Case Circuit Breaker (MCCB)
Specification
Breaking capacity |
N |
S |
H |
G |
X |
|
Rated current of frame size Inm |
630 |
630 |
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Rated current In |
250,315350,400,500,630 |
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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 O-CO KARated ultimate short-circuit breaking capacity |
35 |
50 |
70 |
85 |
200 |
|
Ics 400V/50HZ O-CO KARated service short-circuit breaking capacity |
35 |
37.5 |
52.5 |
63.75 |
200 |
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Icm 400V/50HZ O-CO KARated short-circuit making capacity |
74/0.25 |
105/0.25 |
154/0.2 |
187/0.2 |
440 |
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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 |
≤60/0 |
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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/B
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Auxiliary circuit |
AC-15 |
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Outline dimensions |
Wmm |
140 140 |
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Lmm |
254 360 |
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Hmm |
103.5 103.5 |