User Manual

3RR2 current monitoring relays
4.5 3RR22 current monitoring relays
3UG4 / 3RR2 monitoring relays
58 Manual, 02/2013, NEB927043002000/RS-AA/002
4.5 3RR22 current monitoring relays
4.5.1 Operator controls and connection terminals
Front view / terminal labeling (standard version)
Front view Description
Position digits
①
Connection for contactor mounting or for
stand-along assembly
②
Arrow keys for menu navigation
③
SET key for menu navigation
④
Legend for menu
⑤
Control circuit terminal (removable):
The control circuit can be connected using
either the screw-type or the spring-loaded
connection system.
⑥
Main circuit terminal (permanently connected)
:
The main circuit can be connected using
either the screw-type or the spring-loaded
connection system.
⑦
Label
⑧
Device order number
⑨
Display for parameterization, actual-value
indication, and diagnostics
Terminal labels
B1 Supply voltage AC/DC+
B2 Supply voltage AC/DC-
Q Semiconductor output, e.g. for pre-warning
threshold
32 Output relay K1 CO contact NC contact, e.g.
for alarm threshold
31 Output relay K1 CO contact root, e.g. for
alarm threshold
34 Output relay K1 CO contact NO contact, e.g.
for alarm threshold
2T1, 4T2,
6T3
Main circuit terminals
14/22 Feed-through contactor auxiliary switch (S00)
3RR2241-1FA30









A2 Feed-through contactor coil terminal (S00)