

Details
- •Circuit breakers and fuses
- •Miniature circuit breaker (MCB)
- •1 KOM
- •ABB
Technical specifications
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Details
- Circuit breakers and fuses
- Miniature circuit breaker (MCB)
- 1 KOM
- ABB
Technical specifications
Rated current
50A
Built-in depth
69mm
Voltage type
AC/DC
Pollution degree
3
Rated voltage
400V
Width in number of modular spacings
4
Release characteristic
C
Frequency
50 .. 60Hz
Current limiting class
3
Rated insulation voltage Ui
440V
Suitable for flush-mounted installation
Over voltage category
3
Explosion-proof
Connectable conductor cross section solid-core
0 .. 35mm²
Additional equipment possible
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V
20kA
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V
6kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V
20kA
Number of poles (total)
4
Flush-mounted installation
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V
6kA
Rated impulse withstand voltage Uimp
4kV
Power loss
13W
Connectable conductor cross section multi-wired
0 .. 25mm²
Ambient temperature during operating
-25 .. 55°C
Concurrently switching neutral conductor
Degree of protection (IP)
IP20
Number of protected poles
4