Differential DX³ 4P 400V 40A Curve AC 300mA 4 modules

Differential DX3 4/40/300AC-S. Four-pole 400 V~ Type AC - Sensitivity: 300 selective mA - In: 40A - Number of modules: 4. DX³-ID differential switches - top entry/bottom exit - Comply with the UNE EN 61008-1 standard - Type AC: detect alternating current faults - Type A: detect alternating and direct current faults (specialized circuits: kitchens, cooktops, washing machines, etc.) - Type Hpi: detect alternating and direct current faults (Type A) with reinforced immunity to nuisance tripping (environments with disturbances: computer circuits, lightning strikes, fluorescent lamps, etc.) - Type B: detect alternating and direct current faults and direct current faults without ripple (machinery with variable speed, photovoltaic installations, call centers, medical equipment, etc.) - Suitable for auxiliaries, motorized controls, and DX³ connection modules (except Type B) - Screw/screw connection: top entry and bottom exit via terminals with screws.