User Manual

3UG4624 residual current monitoring relay
8.2 Operator controls and connection terminals
3UG4 / 3RR2 monitoring relays
172 Manual, 02/2013, NEB927043002000/RS-AA/002
8.2 Operator controls and connection terminals
Front view / terminal labeling 3UG4624
Front view Description
Position digits
①
Terminal block (removable):
Connection is possible using screw terminals or spring-loaded terminals.
②
Arrow keys for menu navigation
③
SET key for menu navigation
④
Device order number
⑤
Label
⑥
Legend for menu
⑦
Display for parameterization, actual-value indication, and diagnostics
Terminal labels
Lx Rated control supply voltage AC/DC+
Ly/N Rated control supply voltage AC/DC-
C1
C2
Connection of the 3UL22 summation current transformer
12 Output relay K1 CO contact NC contact
11 Output relay K1 CO contact root
14 Output relay K1 CO contact NO contact
22 Output relay K2 CO contact NC contact
21 Output relay K2 CO contact root
Ly/N
Lx
90--690V
24
2122
12
14
11
3UG4624-.....
SIRIUS
C1 C2
I n -> Rated fault current
onDel -> Power on delay
I Del -> Imax delay
Mem ? -> Memory?
NC -> Circuit principle








24 Output relay K2 CO contact NO contact
You will find additional information on the connection terminals and the permissible
conductor cross-sections in Chapter "Connection methods (Page 19)."
You will find information on connecting in Chapter "Circuit diagrams (Page 180
)."