Data Sheet

● for grounded parts
— forwards
0mm
— Backwards
0mm
— upwards
0mm
— at the side
6mm
— downwards
0mm
● for live parts
— forwards
0mm
— Backwards
0mm
— upwards
0mm
— downwards
0mm
— at the side
6mm
Connections/ Terminals
Product function
● removable terminal for auxiliary and control
circuit
No
Type of electrical connection
● for main current circuit
screw-type terminals
● for auxiliary and control current circuit
spring-loaded terminals
Arrangement of electrical connectors for main current
circuit
Top and bottom
Type of connectable conductor cross-sections
● for main contacts
— solid
2x (2.5 ... 16 mm²)
— stranded
2x (6 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²)
— single or multi-stranded
2x (2,5 ... 50 mm²), 1x (10 ... 70 mm²)
— finely stranded with core end processing
2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²)
● at AWG conductors for main contacts
2x (10 ... 1/0), 1x (10 ... 2/0)
Type of connectable conductor cross-sections
● for auxiliary contacts
— single or multi-stranded
2x (0,5 ... 2,5 mm²)
— finely stranded with core end processing
2x (0.5 ... 1.5 mm²)
— finely stranded without core end
processing
2x (0.5 ... 2.5 mm²)
● at AWG conductors for auxiliary contacts
2x (20 ... 14)
Tightening torque
● for main contacts for ring cable lug
4.5...6N·m
Outer diameter of the usable ring cable lug maximum 19mm
Tightening torque
● for main contacts with screw-type terminals
4.5...6N·m
Design of screwdriver shaft Hexagonal socket
Size of the screwdriver tip 4 mm hexagon socket
3RU2146-4LD0 Subject to change without notice
Page 4/
7
09/11/2019 © Copyright Siemens