Siemens 3UG4 - Page 120

3UG4.1 line monitoring relay
6.3 3UG4512 line monitoring relay
3UG4 / 3RR2 monitoring relays
120 Manual, 05/2016, NEB927043002000/RS-AC/004
3UG4512-1A...
3UG4512-1B...
3UG4512-2A...
3UG4512-2B...
Design of the electrical
connection
screw-type terminals spring-loaded terminals
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 2 1 2