General
Number of poles (total)	4
Number of protected poles	4
Rated voltage	400 V
Rated insulation voltage Ui	500 V
Rated impulse withstand voltage Uimp	4 kV
Rated current	40 A
Rated fault current	0.03 A
Leakage current type	A
Current limiting class	3
Rated short-circuit breaking capacity Icn acc. EN 61009-1	10 kA
Disconnection characteristic	Undelayed
Surge current capacity	3 kA
Voltage type	AC
Frequency	50 Hz
Release characteristic	B
Over voltage category	3
Pollution degree	2
Ambient temperature during operating	40 °C
Width in number of modular spacings	4
Built-in depth	70 mm
Degree of protection (IP)	IP2X
Connectable conductor cross section solid-core	25 mm²
Connectable conductor cross section multi-wired	16 mm²
Power loss	17.7 W
Concurrently switching N-neutral
With interlocking device
Anti-nuisance tripping version

Residual current circuit breaker 4P 10kA B-40A 30mA Type A. Residual current circuit breaker according to DIN EN 61009-1 (VDE 0664-20) with 4-pole circuit breaker for 400 V three-phase circuits and a residual current protection circuit in a compact housing, blue test button and residual current display. Easy individual removal from the phase busbar system. Suitable for the subsequent installation of additional equipment. Labeling option directly on the device.