User Manual

3UG4621/3UG4622 current monitoring relays
7.7 Technical data
3UG4 / 3RR2 monitoring relays
170 Manual, 02/2013, NEB927043002000/RS-AA/002
3UG4621-1.... 3UG4622-1.... 3UG4621-2.... 3UG4622-2....
Design of the electrical
connection
• for auxiliary and control
current circuit
screw-type terminals spring-loaded terminals
• for main current circuit
screw-type terminals spring-loaded terminals
Product function
• removable terminal for
auxiliary and control circuit
Yes
• removable terminal for
main circuit
Yes
Type of the connectable
conductor cross-section
• solid
1x (0.5 ... 4
mm
2
), 2x (0.5 ...
2.5 mm
2
)
2x (0.25 ... 1.5 mm
2
)
• finely stranded
– with wire end
processing
1x (0.5 ... 2.5
mm2), 2x (0.5 ...
1.5 mm
2
)
2 x (0.25 ... 1.5 mm
2
)
– without wire end
processing
— 2x (0.25 ... 1.5 mm
2
)
• for AWG conductors
– solid
2x (20 ... 14) 2x (24 ... 16)
– stranded
2x (20 ... 14) 2x (24 ... 16)
Tightening torque
• with screw-type terminals
N·m
0.8 … 1.2 — …
Number of change-over
switches delayed switching
1