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Range of product
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Compact NS100...630
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Product or component type
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Circuit breaker
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Device short name
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Compact NS250N
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Circuit breaker name
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Compact NS250N
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Device application
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Distribution
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Poles description
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1P
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Protected poles description
|
1t
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Network type
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DC
AC
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Network frequency
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50/60 Hz
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[In] rated current
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220 A at 65 °C
250 A at 40 °C
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[Ui] rated insulation voltage
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750 V AC 50/60 Hz conforming to IEC 60947-2
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|
[Uimp] rated impulse withstand voltage
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8 kV conforming to IEC 60947-2
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|
[Ue] rated operational voltage
|
277 V AC 50/60 Hz conforming to IEC 60947-2
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Breaking capacity code
|
N
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|
Breaking capacity
|
25 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC
25 kA at 277 V AC 50/60 Hz conforming to NEMA AB1 HIC
25 kA Icu at 220 V AC 50/60 Hz conforming to IEC 60947-2
25 kA Icu at 277 V AC 50/60 Hz conforming to IEC 60947-2
|
|
[Ics] rated service breaking capacity
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25 kA at 220 V AC 50/60 Hz conforming to IEC 60947-2
25 kA at 277 V AC 50/60 Hz conforming to IEC 60947-2
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|
Suitability for isolation
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Yes conforming to IEC 60947-2
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Utilisation category
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Category A
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Trip unit name
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TM-D
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|
Trip unit technology
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Thermal-magnetic
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Trip unit rating
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200 A at 40 °C
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|
Protection type
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Short-circuit protection (magnetic)
Overload protection (thermal)
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|
Pollution degree
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3 conforming to IEC 60947
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