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KW1 series ACB
 
Application
KW1 series ACB are designed for control and protection of L.V. power distribution network. They are installed in L.V. distribution board as main switches.
Technical Data
w Rated AC current: 630A~5000A
w Short-circuit breaking capacity: 80kA~120kA
w Rated operational voltage: AC690V or below
w Number of poles: 3 / 4
w Draw-out type or Fixed type are provided
w Multi-functional intelligent controller
w In compliance with IEC60947-2, GB14048.2
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Type
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KW1-2000
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KW1-3200
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KW1-4000
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KW1-5000
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Rated current ln (A)
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630
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800
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1000
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1250
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1600
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2000
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2000
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2500
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2900
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3200
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3600
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4000
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4000
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5000
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Rated operational voltage Ue (V)
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AC400, 690 50Hz
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Rated insulation voltage Ui (V)
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AC800 50Hz
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Rated Impulse withstand voltage Uimp (V)
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8000
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Number of pole
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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3, 4
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N pole rated current IN (A)
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50% ln, 100% ln
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Utimate breaking capacity
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AC400V
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80
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80
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80
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80
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80
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80
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100
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100
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100
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100
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100
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100
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120
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120
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Icu (kA)
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AC690V
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50
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50
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50
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50
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50
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50
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65
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65
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65
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65
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65
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65
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85
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85
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Rated service breaking
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AC400V
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50
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50
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50
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50
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50
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50
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65
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65
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65
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65
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80
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80
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100
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100
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capacity Ics (kA)
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AC690V
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40
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40
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40
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40
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40
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40
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50
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50
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