7
UK
7 Electrical connection
ATTENTION
Depending on the operating mode, the unit may heat up�
The difference between the unit's surface temperature and the ambient temperature may
not exceed 25 degrees� Take one or several of the following measures:
►
Adjust the operating mode�
►
Make sure the unit is sufficiently cooled (e�g� with cooling element and heat conductor)�
►
Use a contact protection�
ATTENTION
The unit must be connected by a qualified electrician�
Device of protection class III (PC III)
Electric supply via PELV circuits only�
Electric supply must comply with UL61010-1, chap� 9�4 - Limited Energy�
The separation of external circuits must comply with UL61010-2-201, fig� 102�
►
Disconnect power before connecting the sensor�
ATTENTION
The IP rating given in the data sheet is only guaranteed if the M12 connectors are firmly
screwed�
The unit can be damaged by insufficiently tightened M12 connectors�
►
Firmly screw the M12 connectors to the unit�
