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10
6 Electrical connection
NOTE!
The unit 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�
►
Disconnect power before connecting the device�
►
For cable lengths > 30 m use an additional protection against surge
voltages to IEC 61000-4-5�
NOTE!
The IP rating indicated in the data sheet is only guaranteed if the M12
connectors are firmly screwed�
The device can be damaged by insufficiently tightened M12 connectors�
►
Firmly screw the M12 connectors to the device�
For the scope of validity cULus: Minimum temperature rating of the cable to
be connected to the field wiring terminals: 70 °C�
Cover the unused sockets with protective caps (E73004)�
Tightening torque 0�6���0�8 Nm�
Available accessories: www�ifm�com