
3UG4621/3UG4622 current monitoring relays
7.7 Technical data
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
189
3UG4621-1....
3UG4622-1.... 3UG4621-2.... 3UG4622-2....
Type of mounting
snap-on mounting
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 mm2),
2x (0.5 ... 2.5 mm2)
2x (0.25 ... 1.5 mm2)
•
finely stranded
–
with wire end processing
1x (0.5 ... 2.5 mm2),
2x (0.5 ... 1.5 mm2)
2 x (0.25 ... 1.5 mm2)
–
without wire end
processing
—
2x (0.25 ... 1.5 mm2)
•
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