Circuit Diagrams; Internal Circuit Diagrams; Wiring Examples (3Ug46 - Siemens SIRIUS 3UG4 Equipment Manual

7.6

Circuit diagrams

7.6.1

Internal circuit diagrams

Internal circuit diagrams 3UG4621 / 3UG4622 current monitoring relays
Note
On the 24 V AC / DC version of the 3UG4621/22‑.AA30, terminals A2 and M (GND) are electrically
connected in the device! The load current must flow through terminal M (GND).
On the 24 to 240 V AC/DC versions of the 3UG4621/22‑.AW30, terminals A2 and M (GND) are
electrically separated!
7.6.2 Wiring examples (3UG46..-.AW30)
Single-phase operation
AC/DC
3UG462.-.AW30 single-phase operation
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
U
load
Load
A1 IN
11
< >
12 14
A2 M
M
load
3UG4621/3UG4622 current monitoring relays
Three-phase operation
AC/DC L1 L2 L3
A1 IN
11
< >
12 14
A2 M
Load
3UG462.-.AW30 three-phase operation
7.6 Circuit diagrams
131