C120H C32 1P
1/pieces
Shenzhen
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# | Attribute | Parameter |
---|---|---|
1 | Origin | Germany |
2 | Tripping curves | B,C,D |
3 | breaking capacity | 15Ka-45Ka |
4 | Current | 10-125A |
5 | Warranty | One year |
Schneider miniature circuit breakers
C120H circuit-breakers
15kA, B, C curves - AS/NZS 4898
15kA, D curve AS 3947-2
circuit-breakers up to125 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 C120H circuit breakers
● power circuit
○ power circuit v current rating: 10 to125 A
○ voltage rating 415 V AC
○ insulation voltage Ui: 500 V
○ impulse withstand voltage Uimp: 6 kV
○ breaking capacity:
○ mechanical durability:
- 20000 cycles (O-C)
○ electrical durability:
-63 A: 10000 cycles (O-C)
- 80…125 A: 5000 cycles (O-C)
○ I2t classification: 3
○ isolation with positive contact indication: opening is indicated by a green strip on the device operating handle. This indicator shows opening of all the poles
○ foolproof terminal design
- moving barrier prevents incorrect cable insertion
- cable strand centering guides ensure correct cable positions and strand grouping
○ bistable din clip: simplifies disassembly
○ 63 to125A:
- up to35mm2 flexible with cable end
- up to50mm2 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.
○ B,C breaking capacity
- according to AS/NZS 4898 Icu ultimate breaking capacity (0-C0 cycle):
Rating (A) |
Type |
Voltage (V) |
Breaking capacity Icu (A) |
10...125 |
1P,2P,3P,4P |
240/415 |
15000 |
○ D breaking capacity
according to AS3947-2 Icu ultimate breaking capacity (O-CO cycle)
Rating (A) |
Type |
Voltage (V) |
Breaking capacity Icu (A) |
10...125 |
1P |
240 |
15000 |
1P |
415 |
45000 |
|
2P,3P,4P |
400-415 |
150 |