Adjustable pressure switch PSD-4, G1/4, M12x WIKA PSD-4 Pressure range: 0...400 BAR RELATIVE TWO SWITCHING OUTPUTS: PNP/NPN POWER SUPPLY: 15-35 VDC PROCESS CONNECTION: G1/4'B RANGE ACCURACY: 0.5% SCALING: 5:1 Round connector M12 x 1 (4-pin): U+ =1 U- =3 S+ =2 SP1/C =4 SP2 =2