SPECIAL CONDITIONS 2
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OPTIMASS / 400
www.krohne.com10/2022 - 4003491806- AD OPTIMASS 400 Atex R06 en
2.7 Certified cable glands
Meters supplied with an Ex d terminal compartment (“f” = 1) are also supplied with one Ex d
stopping plug and two temporary plugs for shipping and storage. When installing the meter,
remove the temporary plugs and use suitable Ex d certified cable glands, plugs or conduit.
All unused openings must be closed with suitable, certified plugs.
2.8 Cable protection
Install the connecting cables as fixed wiring so that they are protected from damage.
2.9 Aluminium junction box
If the meter has an aluminium junction box and if it has been installed in an area classified as
Zone 0, then you MUST protect the meter from ignition hazards caused by impact and / or
friction.
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