These equipment are suitable to be installed in places in which, during the
normal activities, explosive atmosphere caused by gases, vapours, mists or
caused by mixture of air and combustible dust are likely to occur.
They type of protection flameproof “d”.
They are ideal to ensure emergency lighting when the supply to normal lighting
fails, as to provide to safety of people leaving a location or attempting a
potentially dangerous process before doing so.
Can be provided as self-contained emergency luminaire (in which all
elements, such as battery, lamp, control unit are incorporateded within luminaire)
or as centrally supplied emergency luminaire (in which battery
and control unit are not contained within luminaire).
Can be used as maintained emergency lighting lamps (are energized at all
times when normal or emergency lighting is required) or non-maintained
emergency (are in operation only when the supply to normal lighting fails).
Equipped with sign-boards, it be conveniently used for emergency and/or
danger warnings.
