The Siemens Analog monitoring relay used for fill level monitoring, resistance monitoring from 2 to 200 kohm, overshoot and undershoot. It has supply voltage 24 V AC/DC without galvanic isolation to measuring circuit 2-step or 1-step control . It has tripping delay 0.5 to 10 s with1 change-over contact having screw terminal. It is the successor product for 3UG3501-1AC20 level monitoring relay with analogue setting SIRIUS 3UG4 for level monitoring of conductive fluids to protect against overflow, dry running or leakage.

Degree of pollution 3
Protection class IP20