Siemens 3UG4 - 4.5 3 RR22 current monitoring relays

3RR2 current monitoring relays
4.5 3RR22 current monitoring relays
3UG4 / 3RR2 monitoring relays
70 Manual, 05/2016, NEB927043002000/RS-AC/004
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-alone
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 article number
⑨
Display for parameterization, actual-value indication, and
diagnostics
Terminal labels
B1
Supply voltage ∼ / +
B2
Supply voltage ∼ / -
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
2/T1, 4/T2, 6/T3
Main circuit terminals
14/22
Feed-through contactor auxiliary switch (S00)
A2
Feed-through contactor coil terminal (S00)
You can find additional information on the connection terminals and the permissible
conductor cross-sections in the Chapter "Connection methods (Page 21)".
You can find information on connecting in the Chapter "Circuit diagrams (Page 78)".