PR 3100 Series Manual page 8

When the temperature under rated conditions exceeds 70°C at the cable or
conduit entry point, or 80°C at the branching point of the conductors, the
temperature specification of the selected cable shall be in compliance with the
actual measured temperature.
Provisions shall be made to prevent the rated voltage from being exceeded by
transient disturbances of more than 40%.
For installation on power rail in zone 2, only Power Rail type 9400 supplied by
Power Control Unit type 9410 is allowed.
To prevent ignition of the explosive atmospheres, disconnect power before
servicing and do not separate connectors when energised and an explosive gas
mixture is present.
Do not mount or remove devices from the power rail when an explosive gas
mixture is present.
CleanIng
When disconnected, the device may be cleaned with a cloth moistened with
distilled water.
lIabIlIty
To the extent the instructions in this manual are not strictly observed, the
customer cannot advance a demand against PR electronics A/S that would
otherwise exist according to the concluded sales agreement.
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CONTENTS
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