User Manual

3UG4 / 3RR2 monitoring relays

Manual, 02/2013, NEB927043002000/RS-AA/002

3UG4501 filling level monitoring relay

5.1 Application areas

Application areas

The 3UG4501 filling level monitoring relays are used, for example, in the following

applications:

Table 5- 1 Application areas of the 3UG4501 filling level monitoring relay

Function Application

• One-point filling level

monitoring and two-

point filling level

monitoring

• Overflow protection

• Dry-run protection

• Leakage monitoring

• Open-loop control of a bilge pump, e.g. on ships or construction sites

• Filling level monitoring of lubricants

• Filling level monitoring of dosing containers

• Filling level monitoring of oil sumps

• Filling level monitoring of rainwater catchment basins

• Water supply

• Waste water treatment plant