PILZ S1UM 24VDC UM 0.1-500VAC/DC UP – 827225 | JUAL PILZ S1UM 24VDC UM 0.1-500VAC/DC UP – 827225 – Voltage monitoring relay, to monitor min. and max. voltage values, 12 measuring ranges 0.1 – 500 V AC/DC selectable, 0.40 -400 Hz, width = 22.5 mm, UB = 24 V DC, measuring inputs are notpolarity-sensitive.