

Details
- Circuit breakers and fuses
- Miniature circuit breaker (MCB)
- 1 KOM
- ABB
Technical specifications
Release characteristic
C
Built-in depth
69mm
Rated current
63A
Voltage type
Other
Number of protected poles
3
Number of poles (total)
4
Rated impulse withstand voltage Uimp
4kV
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V
15kA
Power loss
19.2W
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V
10kA
Frequency
50 - 60Hz
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V
10kA
Rated voltage
400V
Current limiting class
3
Rated insulation voltage Ui
440V
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V
15kA
Concurrently switching neutral conductor
Yes
Flush-mounted installation
No
Additional equipment possible
Yes
Width in number of modular spacings
4.0
Degree of protection (IP)
IP20
Pollution degree
3
Explosion-proof
No
Over voltage category
3
Connectable conductor cross section solid-core
0.75 - 35mm²
Ambient temperature during operating
-40 - 70°C
Connectable conductor cross section multi-wired
0.75 - 25mm²
2CDS273446R0634 | S203MT-C63NA

Details
- Circuit breakers and fuses
- Miniature circuit breaker (MCB)
- 1 KOM
- ABB
Technical specifications
Release characteristic
C
Built-in depth
69mm
Rated current
63A
Voltage type
Other
Number of protected poles
3
Number of poles (total)
4
Rated impulse withstand voltage Uimp
4kV
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V
15kA
Power loss
19.2W
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V
10kA
Frequency
50 .. 60Hz
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V
10kA
Rated voltage
400V
Current limiting class
3
Rated insulation voltage Ui
440V
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V
15kA
Concurrently switching neutral conductor
Flush-mounted installation
Additional equipment possible
Width in number of modular spacings
4.0
Degree of protection (IP)
IP20
Pollution degree
3
Explosion-proof
Over voltage category
3
Connectable conductor cross section solid-core
0.75 .. 35mm²
Ambient temperature during operating
-40 .. 70°C
Connectable conductor cross section multi-wired
0.75 .. 25mm²
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