User Manual

3UG4.1 line monitoring relay
6.3 3UG4512 line monitoring relay
3UG4 / 3RR2 monitoring relays
102 Manual, 02/2013, NEB927043002000/RS-AA/002
6.3.4 Circuit diagrams
Internal circuit diagrams 3UG4512
3UG4512-.A.. 3UG4512-.B..
8*
/ / /

3UG4512-.A.. line monitoring relay
8*
/ / /



3UG4512-.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 3UG4512 line monitoring relays are only suitable for line frequencies of 50 / 60 Hz!