User Manual
3UG4.1 line monitoring relay   
6.2 3UG4511 line monitoring relay 
  3UG4 / 3RR2 monitoring relays 
92  Manual, 02/2013, NEB927043002000/RS-AA/002 
6.2.4  Circuit diagrams 
Internal circuit diagrams 3UG4511 
3UG4511-.A..  3UG4511-.B.. 
8*
/ / /
3UG4511-.A.. line monitoring relay 
8*
/ / /
3UG4511-.B.. line monitoring relay 
Note 
It is not necessary to fuse the measuring circuit to protect the device. Fusing for line 
protection depends on the cross-section used. 
Note 
The 3UG4511 line monitoring relays are only suitable for line frequencies of 50 / 60 Hz! 










