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SIRIUS 3RF34 solid-state switching devices

3.11 Technical data

SIRIUS Innovations

352 System Manual, 01/2011, A8E56203870002-03

3.11.2 Conductor cross-sections for solid-state contactors

Conductor cross-sections for solid-state contactors

Table 3- 24 Connection of main contacts with screw-type connection system or spring-loaded connection system

Connection, main contacts Screw connection Spring-loaded

connection

Conductor cross-section

 Solid

mm² 2 x (1.5 to 2.5), 2 x (1.5 to 6) 2 x (0.5 to 2.5)

 Finely stranded with end sleeve

mm² 2 x (1.5 to 2.5), 2 x (1.5 to 6) 2 x (0.5 to 1.5)

 Finely stranded without end sleeve

mm² 1 x 10 2 x (0.5 to 2.5)

 Solid or stranded

AWG 2 x (14 to 10) 2 x (18 to 14)

Stripped length mm 10 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- 25 Connection of main contacts and control contacts with screw-type connection system or spring-loaded

connection system

Connection, auxiliary contacts, and control

contacts

Screw connection Spring-loaded

connection

Conductor cross-section with end sleeve mm² 1 x (0.5 to 2.5), 0.5 to 2.5

Conductor cross-section without end sleeve mm² 2 x (0.5 to 1.0)

AWG 20 to 12 20 to 12

Stripped length mm 7 10

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)

Siemens SIRIUS 3RF Series User Manual

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