SIRIUS 3RA28 function modules for mounting on 3RT2 contactors   
7.6 Mounting 
  SIRIUS Innovations 
662  System Manual, 01/2011, A8E56203870002-03 
7.6.3.2  Function module for star-delta (wye-delta) start 
 
DANGER 
 
Hazardous Voltage 
Will Cause Death, Serious Injury or Property Damage 
Turn off and lock out all power supplying this device before working on this device. 
 
Prerequisite for mounting the function module for star-delta (wye-delta) start  
 
 
Note 
To mount the timing relay for star-delta (wye-delta) start you need to disassemble the link 
modules (which will vary depending on the connection system) used to connect the control 
current paths of the pre-wired contactor assembly for star-delta (wye-delta) start. 
 
 
Figure 7-4  Removal of the wiring modules for connecting the control current paths 
(shown using the example of a contactor reversing assembly with screw-type 
connections of size S0)