OM8 Moulded Case Circuit Breaker (NS,MCCB)
On the following we will show you detailed information about our MCCB:
1. Application
OM8 series moulded case circuit breaker is one kind of breaker which adopts international ad-vanced style, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage is 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the normal conditions , protecting the current& equipment from overload&under voltage, circuit breaker with rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&under voltage,the product coheres with IEC60947-2 standard.
2. Main Technical Specifications
1. Application
OM8 series moulded case circuit breaker is one kind of breaker which adopts international ad-vanced style, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage is 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the normal conditions , protecting the current& equipment from overload&under voltage, circuit breaker with rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&under voltage,the product coheres with IEC60947-2 standard.
2. Main Technical Specifications
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Type
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Pole number
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Rated insulating voltage(V)
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Rated operating voltage(V)
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Rated ultimate short circuit breaking capacity Icu (KA) at 380/415V
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Rated servies short circuit breaking capacity Ics at 380/415V(KA)
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Operation performance
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Utilization category
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|
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ON
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OFF
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OM8-100N
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3, 4pole
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750
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690 and below
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25
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25
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1500
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8500
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A
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OM8-100H
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70
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70
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OM8-100L
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150
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150
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OM8-160N
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36
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36
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1000
|
7000
|
||||
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OM8-160H
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70
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70
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OM8-160L
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150
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150
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OM8-250N
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36
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36
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1000
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7000
|
||||
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OM8-250H
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70
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70
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OM8-250L
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150
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150
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OM8-400N
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45
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45
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1000
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4000
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OM8-400H
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70
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70
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OM8-400L
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150
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150
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OM8-630N
|
45
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45
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1000
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4000
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||||
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OM8-630H
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70
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70
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OM8-630L
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150
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150
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OM8-1250N
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3 pole
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50
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37.5
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1000
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4000
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|||
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OM8-1600N
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50
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37.5
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Note:1. The N-pole breaker has no protection which closing and opening with the other three poles. 2. The type of thermal magnetic for OM8-400/630 has no four poles.
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