SIRIUS 3RF34 solid-state switching devices 
  3.7 Mounting 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
343 
3.7.2  Screw mounting 
Screw mounting 
Table 3- 17  Mounting (solid-state switching devices) 
Step  Operating instruction  Figure 
1  Using two M4 screws (maximum tightening 
torque 1.5 Nm), plain washers, and spring 
washers, screw the solid-state contactor 
tight into the designated drill holes 
diagonally. 
 
3.7.3  Snapping onto/off DIN rail (snap-on mounting) 
Snapping onto DIN rail 
Table 3- 18  Mounting (solid-state switching devices) 
Step  Operating instruction  Figure 
1  Position the device on the top edge of the 
DIN rail and press down until it snaps onto 
the bottom edge of the DIN rail.