for controlling the return valves in the stainless steel distributor with adjusting screw and DV, with stroke indicator and connection cable 0.75 mm² x 1000 mm without plug, with wire end sleeves, splash-proof, field of application: 230 V stainless steel distributor with adjusting screw and DV blue transparent, protection class: IP54 (DIN EN60529), effective power approx. 2 W, rated voltage 230 V AC or DC, protection class: protective insulation, function: de-energized closed, system/pump pressure max. 4/1 bar