The Siemens 3UG5851-2AA40 is a digital monitoring relay for speed supervision, covering 0.1 to 6000 r/min with overshoot and undershoot detection. It operates on 24 V DC and includes IO-Link communication for parameterization and diagnostics. Two changeover contacts with spring-loaded terminals simplify wiring in control panels. The ON-delay and tripping delay are independently adjustable from 0.1 to 999.9 s.
RoHS compliant since 01 June 2023.
