SIRIUS 3RT2 contactors/contactor assemblies   
2.7 Accessories 
  SIRIUS Innovations 
184  System Manual, 01/2011, A8E56203870002-03 
Mounting on mounting plate 
The illustrations below depict screw mounting for sizes S00 and S0: 
Table 2- 36  Screw mounting (sizes S00 and S0) 
Step  Operating instruction  Image 
1  Using two M4 screws (maximum tightening 
torque 1.2 to 1.6 Nm), plain washers, and 
spring washers, screw the OFF- delay 
device tight into the designated drill holes 
diagonally. 
 
 
Snapping onto DIN rail (snap-on mounting) 
OFF-delay devices of sizes S00 and S0 can be snapped onto a 35 mm DIN rail. 
The illustrations below show how to snap OFF-delay devices onto/off a DIN rail: 
Table 2- 37  Mounting/disassembling sizes S00 and S0 (snap-on mounting) 
Step  Operating instruction  Image 
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. 
2  To disassemble the device, press it down, 
pushing against the mounting springs, and 
swivel the device to remove it.