SIRIUS 3RA28 function modules for mounting on 3RT2 contactors   
7.9 Accessories 
  SIRIUS Innovations 
674  System Manual, 01/2011, A8E56203870002-03 
7.9  Accessories 
7.9.1  Sealable cover cap 
Description 
Sealable covers are transparent molded-plastic caps with a break-off clip (preset breaking 
point). 
You can use a sealable cover cap to protect 3RA27 and 3RA28 function modules against 
unauthorized operation. 
Mounting the sealable cover cap  
 
Step  Operating instruction  Figure 
1  Break off the clip on the sealable cover cap 
(preset breaking point). 
2  Insert the clip into the opening on the 
function module, until it engages. 
3  Insert the sealable cover cap into the 
openings on the function module. 
4  Seal the clip to secure it against 
unauthorized removal.