DX3 Differential 4P 40A 300mA Class AC

DX3 Differential 4/40/300AC. Four-pole 400 V~ Type AC - Sensitivity: 300 mA - In: 40A - Number of modules: 4. DX³-ID Residual Current Circuit Breakers - top entry/bottom exit - Comply with standard UNE EN 61008-1 - Type AC: detect alternating current component faults - Type A: detect alternating and direct current component faults (specialised circuits: kitchens, hobs, washing machines, etc.) - Type Hpi: detect alternating and direct current component faults (type A) with enhanced immunity to nuisance tripping (environments with disturbances: computer circuits, lightning strikes, fluorescent lamps, etc.) - Type B: detect alternating and direct current component faults and ripple-free direct current faults (machinery with speed variation, photovoltaic installations, call centres, medical equipment, etc.) - Suitable for auxiliaries, motorised controls and DX³ connection modules (except Type B) - Screw/screw connection: top entry and bottom exit via screw terminals.