Knick VariTrans P 27000 Notice D'utilisation page 27

Warning! EXPLOSION HAZARD
Do not connect/disconnect equipment unless power has been
removed or the area is known to be non-hazardous.
Warning! EXPLOSION HAZARD
Substitution of components may impair suitability for Class I,
Division 2.
Conditions for safe use (Haz. Loc.)
For the use in hazardous locations, this equipment is to be installed
into suitable enclosure, providing a degree of protection not less
than IP 54.
Devices containing user accessible switches and/or potentiometers:
the device must be installed into an end-use enclosure with tool
removable cover.
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