Brochure
Installation has never  
been easier
Innovative snap-on concept makes the task of installing a unit so effortless that it 
can be done with one hand. With 100% twist prevention integrated into the holders, 
SIRIUS ACT can be installed in groove-free milled holes, saving you significant 
installation time. In addition, visible installation markers and indicators on components 
further reduce risk of incorrect installation.
Easy removal
Simply press the release 
lever to remove the holder 
Simple installation
Fast fixation 
on the plate with 
a screwdriver 
(no special tools 
needed)
Easy-to-see module slots
Fault-free connection of 
modules even when contact 
blocks are stacked
100 % twist prevention
Twist-proof holding by screw 
fixation even if the hole is not 
perfectly milled
Innovative snap-on 
concept
Stacking contact blocks
Up to 3 modules can be plugged 
together side-by-side, each with 
2 contact blocks plugged onto 
one another
Groove-free milled hole
Easy insertion of  
components without aligning 
anti-twist lugs 
Visual 
mounting indicator 
Align the arrows to 
correctly mount the 
components
Installation
All components snap on 
without the need for tools –  
even in a slanting position;  
integrated lever for release
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