Siemens SIRIUS 3RU2 - Main Circuit Terminals

Technical data
11.4 3RB30/3RB31 solid-state overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
134 Manual, 09/2014, A5E03656507420A/RS-AA/002
11.4.2.3
Main circuit terminals
Technical data for main circuit connection, 3RB303./3RB313. overload relays
3RB3.3.-..B.
3RB3.3.-..D.
3RB3.3.-..W.
3RB3.3.-..X.
Arrangement of
electrical connectors
for main current
circuit
Top and bottom
Design of the
electrical connection
for main current
circuit
screw-type terminals straight-through transformers
Type of the
connectable conductor
cross-section
• for main contacts
– solid or multi-
stranded
1x (1 ... 50 mm²), 2x (1 ... 35 mm²) —
– finely stranded
– without
conductor final
cutting
—
– with conductor
end processing
1x (1 ... 35 mm²), 2x (1 ... 25 mm²) —
• for AWG
conductors
2x (18 ... 2), 1x (18 ... 1) —
Tightening torque
for
main contacts
• with screw-type
terminals
N·m
3 … 4.5 —
Design of the thread
of the connection
screw
for main
contacts
M6 —
Design of screwdriver
shaft
Diameter 5 to 6 mm
size of screwdriver
tip
Pozidriv PZ 2