User Manual

3UG4.1 line monitoring relay
6.2 3UG4511 line monitoring relay
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
91
Function diagrams 3UG4511
Correct phase sequence Incorrect phase sequence
11/14
L1-L2-L3
11/12
21/24
21/22
ON
11/14
L3-L2-L1
11/12
21/24
21/22
OFF
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:
State of the output relay Operating status LED contact symbol (green)
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
"Function (Page 90)."