3RR2 current monitoring relays
4.5 3RR22 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
83
Connections 3RR2242 (size S0)
3RR2242-1....
3RR2242-2....
Design of the electrical connection
•
for main current circuit
screw-type terminals
spring-loaded terminals
•
for auxiliary and control current circuit
screw-type terminals
spring-loaded terminals
Product function
•
removable terminal for main circuit
No
•
removable terminal for auxiliary and
control circuit
Yes
Type of the connectable conductor cross-
section
•
for main contacts
–
solid
2x (1 ... 2.5 mm²),
2x (2.5 ... 10 mm²)
1x (1 ... 10 mm²)
–
stranded
—
–
finely stranded
–
with conductor end processing
2x (1 ... 2.5 mm²),
2x (2.5 ... 6 mm²),
1x 10 mm²
1x (1 ... 6 mm²)
–
without conductor final cutting
—
1x (1 ... 6 mm²)
•
for AWG conductors for main contacts
2 x (16 ... 14),
2x (14 ... 8)
1x (18 ... 8)
•
for auxiliary contacts
–
solid
1x (0.5 ... 4 mm²),
2x (0.5 ... 2.5 mm²)
–
finely stranded
–
with conductor end processing
1x (0.5 ... 2.5 mm²),
2x (0.5 ... 1.5 mm²)
2x (0.25 ... 1.5 mm²)
–
without conductor final cutting
—
2x (0.25 ... 1.5 mm²)
•
for AWG conductors for auxiliary contacts
2x (20 ... 14)
2x (24 ... 16)
Tightening torque
•
with screw-type terminals
N·m
0.8 … 1.2
Verification of suitability
CE / UL / CSA