Current sensors, Air flow monitor, Cylindrical design, Process connection: 23 mm, 4-wire, ACDC, Operating voltage:80...250 AC 47...63 Hz AC 90...250 DC, Relay picks up in case of current, Connection cable, m, PUR PVC cable, x 0.5 mm2, Housing material: Housing: PBT Sensor surface: Titanium, Sensor material: PBT TitanSLG23CEEAKOAPH.