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C curve circuit-breaker
3P - 400 V

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USE

The NB1 magneto thermal switches, C curve, are used as protection against over-currents or short-circuits, for any single phase installation downstream of the main circuit-breaker.
NB1 1P/2P/3P/4P switches are used as protection, to control and for the sectionning of any installation
Agricultural, tertiary sector and industrial uses.
See this product in our catalogue
Number of poles 1 to 4.
C curve.
Nominal intensity (A) 6 ... 63.
Nominal voltage Ue ( Vac) 230/400.
Max. operating voltage Umax (Vac) 440.
Insulation voltage Ui (Vac) 500.
Nominal frequency HZ 50-60.
Breaking capacity Icn KA 10.
Max. number of manoeuvres10000.
Proection levelIP20.
Limitation class 3.
Power supply sup/inf. yes.
Accessory: yes.
Cable section max. 25 mm².
CEI EN 60898.
GB 10963 - 92.
 

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