Product specifications
Section 2 Installation Prefabricated aluminum profile
3BSE036351-510 A 71
3. When the interconnection is complete, rotate the locking device clockwise to
the
LOCKED position (3). The PM891 unit is now fully locked into the
position and has a good ground connection to the DIN-rail.
It is essential that the locking device be placed in the LOCKED position to
avoid possible problems caused by vibration and/or intermittent grounding.
Figure 20. Unit locking for PM891
Figure 21. PM891 with other units mounted on DIN-rail
1. OPEN 2. SLIDE 3. LOCKED