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	20 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	11.7 W
Concurrently switching N-neutral
With interlocking device
Anti-nuisance tripping version

Residual current circuit breaker 4P 10kA B-20A 30mA Type A. Residual current circuit breaker in accordance with 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 subsequent installation of additional equipment. Labeling option directly on the device.