7.2 Operator controls and connection terminals
Front view / terminal labeling 3UG4621 / 3UG4622
Front view Description
1 3-500mA
14
1112
A2-
M
IN
A1+
3UG4621-.....
SIRIUS
24V
onDel -> Current on delay
Del -> Imin/Imax delay
Mem ? -> Memory?
NC -> Circuit principle
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 article number
⑤ Label
⑥ Legend for menu
⑦ Display for parameterization, actual-value indication, and diagnostics
Terminal labels
A1+ Rated control supply voltage ∼ / +
A2- Rated control supply voltage ∼ / -
M (GND) Measuring signal input -
IN Measuring signal input +
12 Output relay K1 CO contact NC contact
11 Output relay K1 CO contact root
14 Output relay K1 CO contact NO contact
You can nd additional information on the connection terminals and the permissible conductor
cross-sections in the Chapter "Connection methods (Page 23)".
You can nd information on connecting in the Chapter "Circuit diagrams (Page 131)".
3UG4621/3UG4622 current monitoring relays
7.2 Operator controls and connection terminals
SIRIUS 3UG4 / 3RR2 monitoring relay
122 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
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