3UG4.1 line monitoring relay
6.2 3UG4511 line monitoring relay
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
105
Function diagrams 3UG4511
Correct phase sequence
Incorrect phase sequence
6.2.3
Diagnostics
6.2.3.1
Diagnostics with LED
Status display
The following information about the operating state is displayed on the 3UG4511 line
monitoring relay:
Operating status
LED contact symbol (green)
State of the output relay
12/ 11/ 14
22/ 21/ 24
Correct phase sequence
On
Incorrect phase sequence
Off
You will find more information about the switching behavior of the output relays in Chapter