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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
|
1P
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Protected poles description
|
1t
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Network type
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AC
DC
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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
|
750 V AC 50/60 Hz conforming to IEC 60947-2
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|
[Uimp] rated impulse withstand voltage
|
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
|
|
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
|
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
|
Yes conforming to IEC 60947-2
|
|
Utilisation category
|
Category A
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|
Trip unit name
|
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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250 A
|
|
Protection type
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Overload protection (thermal)
Short-circuit protection (magnetic)
|
|
Pollution degree
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3 conforming to IEC 60947
|
