User Manual

3UG4.1 line monitoring relay
6.3 3UG4512 line monitoring relay
3UG4 / 3RR2 monitoring relays
98 Manual, 02/2013, NEB927043002000/RS-AA/002
6.3 3UG4512 line monitoring relay
6.3.1 Operator controls and connection terminals
Front view / terminal labeling 3UG4512
Front view Description
Position digits
①
Terminal block (removable)
Connection is possible using screw-type terminals or spring-loaded
terminals.
②
Circuit diagram
③
Device order number
④
Label
⑤
Status display: LED phase failure / phase sequence (red)
⑥
Status display: LED coil symbol (green)
Terminal labels
L1, L2, L3 Rated control supply voltage
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 (on the 3UG4512-.B only)
21 Output relay K2 CO contact root (on the 3UG4512-.B only)
24
2122
12
14
11
L3
L2
L1
3UG4512-.....
SIRIUS
3 160-690V
Phase loss
Phase sequence
L1
L2 L3
11
12 14
L
21
22
24







24 Output relay K2 CO contact NC contact (on the 3UG4512-.B only)
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 102
)."