Siemens SIRIUS 3UG4 - Wiring Examples (3 UG462.-.AA30)

7.6.3 Wiring examples (3UG462.-.AA30)
Note
If this arrangement is not complied with, the monitoring relay may be destroyed and the short-
circuit current may damage the plant!
Operation with a separate control circuit and load current circuit
• single-phase
< >
24 V AC/DC
M
load
U
load
Load
11
1412
A2 M
A1
IN
• three-phase
load
24 V AC/DC
< >
A1
IN
L3 L2 L1
M
A2
o.k.
< >
A2
A1
o.k.
M
L1 L2 L3
IN
24 V AC/DC
load
Operation with a common control circuit and load current circuit
• single-phase
< >
A2 M
A1
IN
< >
11
1412
A2 M
A1 IN
24 V AC/DC
24 V AC/DC
Load
Load
optional
o.k.o.k.
3UG4621/3UG4622 current monitoring relays
7.6 Circuit diagrams
SIRIUS 3UG4 / 3RR2 monitoring relay
132 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005