General
Number of poles	4
Rated voltage	400 V
Rated current	40 A
Rated fault current	0.3 A
Rated insulation voltage Ui	500 V
Rated impulse withstand voltage Uimp	4 kV
Mounting method	DIN rail
Leakage current type	A
Short-circuit breaking capacity (Icw)	10 kA
Surge current capacity	5 kA
Frequency	50 Hz
Degree of protection (IP)	IP20
Width in number of modular spacings	4
Built-in depth	70 mm
Ambient temperature during operating	70 °C
Pollution degree	2
Connectable conductor cross section multi-wired	16 mm²
Connectable conductor cross section solid-core	25 mm²
Power loss	4.39 W
RAL-number (akin)	7005
Voltage type	AC
Selective protection
Short-time delayed tripping
Additional equipment possible
With interlocking device
Explosion-proof

Residual current circuit breaker 4-pole 10kA 40A 300mA type S selective. Residual current circuit breaker (FI) in accordance with DIN EN 61008-1 (VDE 0664-10), DIN EN 61008-2-1 (VDE 0664-11) with bi-connect terminals at the bottom, external blue test button and residual current display. Suitable for the subsequent installation of additional equipment. Connection terminals with wire insertion protection, labeling option directly on the device.