Schneider miniature circuit breakers

C65N circuit-breakers

6 kA,  B,C,D curve 

IEC 60898 / GB 10963

circuit-breakers up to63 A

functions

The circuit-breakers combine the following functions:

● protection of circuits against short-circuit currents,

● protection of circuits against overload currents,

● control,

● isolation

● protection of persons against indirect contact.

      

Description

technical data common to C65N circuit breakers

● power circuit

○ voltage rating: 230/400 V AC

- for 2P single phase 400V

○ I2t classification: 4

○ foolproof terminal design

- moving barrier prevents incorrect cable insertion

- cable strand centering guides ensure correct cable positions and strand grouping

○ isolation with positive contact indication

○ bistable din clip, simplifies disassembly

 

● environment

○ tropicalisation: treatment 2 (relative humidity: 95 % at55 °C)

○ connection: tunnel terminals for the following cables:

  - up to25A:16mm2 flexible with cable end :25mm2 stranded

- 32 to63A:25mm2 flexible with cable end :35mm2 stranded

 

B curve

utilisation

when there are small inrush currents

(generators, long cables).

technical data

● power circuit

○ tripping curve:

the magnetic trip units operate between 3 and5 In.

 

C curve

utilisation

cables feeding conventional loads.

technical data

● power circuit

○ tripping curves: the magnetic trip unit operates between 5 and10 In

 

D curve

utilisation

loads with a high inrush current

(motors, transformers).

technical data

● power circuit

○ tripping curve:

the magnetic trip units operate between 10 and14 In.

 

○ breaking capacity

- according to IEC 60898 / GB 10963 Icu ultimate breaking capacity (0-C0 cycle):

 

Rating (A)	Type	Voltage (V)	Breaking capacity Icu (A)
1...63	1P	230	6000
	2P	400	6000
	3P	400	6000
	4P	400	6000

 

C120H C10 1P C120H C100A 4P C120H C125 4P C120H D125 3P C120H D125 4P C120H D80 3P C65N C63 4P C65N D10 2P C65N D4 3P C65N D63 3P