Siemens 3UG4 User Manual page 65

Connections 3RR2143 (size S2)
Design of the electrical connection
for main current circuit
•
for auxiliary and control current
•
circuit
Product function
removable terminal for main circuit
•
removable terminal for auxiliary and
•
control circuit
Type of the connectable conductor
cross-section
for main contacts
•
– solid
– stranded
– finely stranded
– with conductor end processing
– without conductor final cutting
for AWG conductors for main
•
contacts
for auxiliary contacts
•
– solid
– finely stranded
– with conductor end processing
– without conductor final cutting
for AWG conductors for auxiliary
•
contacts
Tightening torque
with screw-type terminals
•
Verification of suitability
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
3RR2143-1....
screw-type terminals
screw-type terminals
No
Yes
2x (1 ... 35 mm²),
1x (1 ... 50 mm²)
2x (1 ... 35 mm²),
1x (1 ... 50 mm²)
2x (1 ... 25 mm²),
1x (1 ... 35 mm²)
—
2x (18 ... 2),
1x (18 ... 1)
1x (0.5 ... 4 mm²),
2x (0.5 ... 2.5 mm²)
1x (0.5 ... 2.5 mm²),
2x (0.5 ... 1.5 mm²)
—
2x (20 ... 14)
N·m 0.8
1.2
CE / UL / CSA
3RR2 current monitoring relays
4.4 3RR21 current monitoring relays
3RR2143-3....
spring-loaded terminals
2x (0.25 ... 1.5 mm²)
2x (0.25 ... 1.5 mm²)
2x (24 ... 16)
65