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 an RCD switch in a compact housing, blue test button and residual current display. Simple individual removal from the phase rail network. Suitable for retrofitting additional equipment. Programming directly on the device. Nominal current: 40 A Rated residual current Idn: 30 mA Tripping characteristic: C Total power loss below rated current: 17.70 W Type of RCD: A Insulation voltage Ui: 500 V Surge voltage resistance: 4000 V Rated switching capacity Icn according to IEC 60898-1: 10 kA Frequency: 50 - 50 Hz Connection cross-section of the input with screws, with flexible conductor: 1 - 16 mm² Connection cross-section of the input with screws, for solid conductors: 1 - 25 mm²