... (xx=02, 04, 06, 08......20)Protection height=(xx-1)×light axis spacingSNAxx20 100,140,180,220...... ... distance0-2000mmDetecting height80-2840mmOptical axis pitch20mm 30mm for hands, 40mm for arms, 80mm for bodyPower supplyAC110/220V,24 V ±15 ... of sweeps,20 for each axis,for 3 axesDielectric strengthAC1500V, 60sInsulation resistance>100MΩ High Sensitivity Photo-Electronic Safety Device for Machine