SIRIUS 3RA28 function modules for mounting on 3RT2 contactors 
  7.12 Circuit diagrams 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
681 
7.12.2  Example circuit diagrams 
Example circuit diagrams 
Momentary-contact circuit 
//
1/
a+]'&9
)
)
6
6
4
$
$
4
5$
5$ 5$
4
s
%
7LPH
 
Figure 7-10  Function module (3RA28), momentary-contact circuit 
 
Maintained-contact circuit 
//
1/
a+]'&9
)
6
)
4
$
$
4
5$
5$
s
%
7LPH
5$
4
 
Figure 7-11  Function module (3RA28), maintained-contact circuit