Series 61Principle of physics OpticalApplication Detection of non-transparent labelsLabel width, min. 2 mmLabel gap, min. 2 mmMedium Not transparentLight source LED, InfraredWavelength 940 nmProtective circuit Polarity reversal protectionShort circuit protectedSupply voltage UB 10 ... 30 V, DCResidual ripple 0 ... 15 %, From UBOpen-circuit current 0 ... 30 mANumber of digital switching outputs 1 Piece(s)Type Digital switching outputVoltage type DCSwitching current, max. 100 mASwitching voltage high: ≥(UB-2V)low: ≤ 2 V