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7. The certificate number has an ‘X’ suffix that indicates that the following
special condition of certification applies;
In the case of IMP+ i.s. due to the housing and labels being non-
conductive plastic care needs to be taken with regards electrostatic
charge. The equipment shall not be installed if the conditions are
conducive to the buildup of electrostatic charge. Additionally, the
equipment should only be cleaned with a damp cloth.
8. The manufacturer should note that, on being put into service, the
equipment must be accompanied by a translation of the instructions in
the language or languages of the country in which the equipment is to be
used and by the instructions in the original language.
Hazardous Area Specific Power Supply and barrier Requirements
The IMP+ i.s. operates from a DC supply of 12 –26V and will typically draw
less than 22mA. The unit must be powered from an approved i.s. safety
barrier or approved i.s. Power supply with the following limits:
IS Safety Barrier – Uo >= 28V, Io >=93mA, Pi >= 0.65W
IS Power Supply – Uo >= 25.2V, Io >=162mA, Pi >= 1.03W
Label from IMP3 i.s. showing certification details (6 & 10 are the same)
All electronic products are susceptible to electrostatic
shock, so follow proper grounding procedures during
installation.
Cable Entry
The IMP+ i.s. Series has two M16 cable entries, fitted with a suitable gland, to
ensure moisture protection is maintained.
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