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O3M area surveillance
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8 Electrical connection
The devices must be connected by a qualified electrician�
Device of protection class III (PC III)
The electric supply must only be made via PELV circuits�
Electric supply must correspond to UL 61010-1, chapter 9�4 - Limited Energy:
The overcurrent protection device must switch off a current of 6.6 A in 120 s. For the correct
rating of the overcurrent protection device take the technical data of the device and wiring into
account.
The separation of external circuits must comply with UL 61010-2-201, Figure 102�
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Disconnect power before connecting the unit�
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For cable lengths > 30 m use an additional protection against surge voltages to IEC 61000-4-5�
The IP rating indicated in the data sheet is only guaranteed if the M12 connectors are firmly screwed�
The devices can be damaged by insufficiently tightened M12 connectors�
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Firmly screw the M12 connectors to the unit�
Cover the unused sockets with the pre-mounted protective caps�
Tightening torque 0�8 Nm�
The devices can be connected to 12 V or 24 V on-board systems�
Available accessories: www�ifm�com
Fig� 12: Connected devices of the ZZ1103 set