Submittal Sheet

— at the side
0mm
● for grounded parts
— forwards
6mm
— Backwards
0mm
— upwards
6mm
— at the side
6mm
— downwards
6mm
● for live parts
— forwards
6mm
— Backwards
0mm
— upwards
6mm
— downwards
6mm
— at the side
6mm
Connections/Terminals
Product function
● removable terminal for auxiliary and control
circuit
Yes
Type of electrical connection
● for main current circuit
screw-type terminals
● for auxiliary and control current circuit
screw-type terminals
Arrangement of electrical connectors for main current
circuit
Top and bottom
Type of connectable conductor cross-sections
● for main contacts
— solid
2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— stranded
2x 10 mm²
— single or multi-stranded
1x (1 ... 10 mm²), 2x (1 ... 10 mm²)
— finely stranded with core end processing
1x (1 ... 6 mm²), 2 x (1 ... 6 mm²), 1x 10 mm²
● at AWG conductors for main contacts
1x (16 ... 8), 2x (16 ... 8)
Type of connectable conductor cross-sections
● for auxiliary contacts
— solid
1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²)
— single or multi-stranded
1x (0,5 ... 4 mm²), 2x (0,5 ... 2,5 mm²)
— finely stranded with core end processing
1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
● at AWG conductors for auxiliary contacts
1x (20 ... 14), 2x (20 ... 14)
Tightening torque
● for main contacts with screw-type terminals
2...2.5N·m
● for auxiliary contacts with screw-type terminals
0.8...1.2N·m
Design of screwdriver shaft Diameter 5 to 6 mm
Size of the screwdriver tip Pozidriv PZ 2
Design of the thread of the connection screw
● for main contacts
M4
3RB3026-1QB0 Subject to change without notice
Page 4/
8
10/20/2017 © Copyright Siemens