Siemens SIRIUS 3RH Series, System Manual

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SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
353
3.11.3 Conductor cross-sections for solid-state reversing contactors
Conductor cross-sections for solid-state reversing contactors
Table 3- 26 Connection of main terminals with screw-type connection system
Connection, main contacts Screw-type connection system
Conductor cross-section

Solid
mm² 2 x (1.5 to 2.5), 2 x (1.5 to 6)

Finely stranded with end sleeve
mm² 2 x (1.5 to 2.5), 2 x (1.5 to 6)

Finely stranded without end sleeve
mm² 1 x 10
 Solid or stranded AWG 2 x (14 to 10)
Stripped length mm 10
Connection screw M4
Tightening torque Nm 2 to 2.5
D 5 to 6 mm/PZ 2 Ib.in 18 to 22
Table 3- 27 Connection of main contacts and control contacts with screw-type connection system
Connection, auxiliary contacts, and control
contacts
Screw-type connection system
Conductor cross-section with end sleeve mm² 1 x (0.5 to 2.5)
Conductor cross-section without end sleeve mm² 2 x (0.5 to 1.0)
AWG 20 ... 12
Stripped length mm 7
Connection screw M3
Tightening torque Nm 0.5 to 0.6
D 3.5/PZ 1 Ib.in 4.5 to 5.3
Reference
More information ... Can be found in the chapter titled ...
About connection systems and terminal
designations
Connection (Page 344)