

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
Frequency
50 .. 60Hz
Rated voltage
400V
Voltage type
AC/DC
Rated current
20A
Built-in depth
69mm
Explosion-proof
Current limiting class
3
Rated insulation voltage Ui
440V
Width in number of modular spacings
4
Degree of protection (IP)
IP20
Concurrently switching neutral conductor
Over voltage category
3
Connectable conductor cross section solid-core
0 .. 35mm²
Flush-mounted installation
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V
6kA
Release characteristic
C
Connectable conductor cross section multi-wired
0 .. 25mm²
Number of protected poles
4
Number of poles (total)
4
Ambient temperature during operating
-25 .. 55°C
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V
6kA
Suitable for flush-mounted installation
Additional equipment possible
Power loss
10W
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V
20kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V
20kA
Pollution degree
3
Rated impulse withstand voltage Uimp
4kV