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NF-CW Moulded case circuit breaker
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▲Application
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NF-CW series Moulded Case Circuit Breaker is a kind of economic breaker,has the features as following,such as steady and reliable property,reasonable structure,beautiful style,small volume,etc. This breaker applies to the circuit with AC50/60Hz,rated insulation voltage 660V,max.rated current 800A as on-off operation, and take effect,it also can be used as unfrequent conversion of line and unfrequency.
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▲Tripping characteristics
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Type
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Pole number
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Rated current(A)
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Circuit breaking capacity (KA)
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AC (P1/P2)
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240
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380
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415
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500
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600
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660
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NF30-CW
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2
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3,5,10,15,20,30
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5/5
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5/2.5
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2.5/1.5
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2.5/1.0
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-
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-
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3
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NF50-CW
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3
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10,20,30,40,50
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5/10
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10/7.5
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7.5/5
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7.5/5
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2.5/1.5
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-
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NF60-CW
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3
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10,20,30,40,50,60
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5/10
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10/7.5
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7.5/5
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7.5/5
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2.5/1.5
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NF100-CW
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3
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60,75,100
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50/42
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30/20
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7.5/5
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7.5/5
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10/5
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5/2.5
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4
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NF250-CW
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3
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125,150,175,200, 225,250
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50/42
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30/22
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25/15
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25/15
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15/10
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5/2.5
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4
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NF400-CW
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3
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250,300,350,400
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85/60
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50/35
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25/20
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25/20
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25/18
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15/10
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4
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NF630-CW
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3
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500,600,630
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85/60
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50/35
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50/30
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50/30
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25/18
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15/10
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4
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NF800-CW
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3
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600,700,800
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85/60
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50/35
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50/30
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50/30
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25/18
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15/10
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4
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