General
Release characteristic	B
Number of poles (total)	4
Number of protected poles	3
Rated current	50 A
Rated voltage	400 V
Rated insulation voltage Ui	500 V
Rated impulse withstand voltage Uimp	6 kV
Rated short-circuit breaking capacity Icn EN 60898 at 230 V	10 kA
Rated short-circuit breaking capacity Icn EN 60898 at 400 V	10 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 230 V	30 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V	15 kA
Voltage type	AC
Frequency	60 Hz
Current limiting class	3
Over voltage category	3
Pollution degree	2
Width in number of modular spacings	4
Built-in depth	70 mm
Degree of protection (IP)	IP20
Ambient temperature during operating	70 °C
Connectable conductor cross section multi-wired	25 mm²
Connectable conductor cross section solid-core	35 mm²
Power loss	20.30 W
Concurrently switching N-neutral
Additional equipment possible
Explosion-proof
Flush-mounted installation

Miniature circuit breaker 3P+N 10kA/15kA B-50A 4M. Miniature circuit breaker in accordance with DIN EN 60898-1 (VDE 0641-11) with time-delayed thermal release for overload protection and electromagnetic release for short-circuit protection. Suitable for the subsequent installation of additional devices. Labeling option directly on the device and individual removal from the phase busbar assembly by unlocking the quick-release top hat rail fastening.