User Manual

3UG4.1 line monitoring relay
6.7 3UG4617 / 3UG4618 line monitoring relays
3UG4 / 3RR2 monitoring relays
148 Manual, 02/2013, NEB927043002000/RS-AA/002
6.7.5 Circuit diagrams
6.7.5.1 Internal circuit diagrams
Internal circuit diagram 3UG4617 / 3UG4618
3UG4617 3UG4618
8*
/ / /



3UG4617 line monitoring relay
/ / /1
8*



3UG4618 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.
6.7.5.2 Wiring examples
Automatic phase correction
M
3~
K3K4
K3 K4
3UG4618
⊗
L1
L2
L3
N
3UG4617
12
11
14
22
21
24
L1L2L3
N
K1
K2
H1
Figure 6-3 3UG4617 / 3UG4618 automatic phase correction