Potential Ignition Source
Measures applied to
Ignition
( 1 l
prevent the source
protection
Normal operation
Expected malfunction
becoming effective
used
(1 a)
(1 b)
(2)
(3)
Mechanicall>'.
Mechanicall>'. generated
Motor housings contain
EN 13463-1
generated SQarks
SQarks
less than 7.5%
2001, 8.2 & 15
Friction or impact
Unprotected aluminium alloy
magnesium, considered
between aluminium
motor housings may be
acceptable for Group
11
This hazard
motor housings and
subject to friction or impact
Category 2 equipment .
assessment to be
iron or steel
by iron or steel objects in the
Installers I users to be
supplied to the
components do not
vicinity. This can occur by
informed that motors are
installer I user,
result from normal
accident or through poor
not to be used in zones
who shall apply
operation of the
design of the machine into
0 or 20, nor in mines. In
the measures
motors.
which the motors are
other zones, friction or
indicated.
incorporated.
impact with iron or steel
objects shall be guarded
aqainst.
Exothermic reaction
Exothermic reaction
No ignition source.
EN 1127-1 1997,
including self-ignition
including self-ignition of
5.3.14
of dusts
dusts
The design of the
Normal wear does not result
motors ensures that
in rubbing contact between
rotating steel
aluminium and steel nor in
components do not
the production of aluminium
contact the aluminium
powder.
housinas.
Adiabatic
Installer I user to ensure
EN 1127-11997,
comQression & shock
the compressed air
5.3.13 and EN
waves
supply system is
13463-12001, 15
Not a hazard caused
designed and
by pneumatic motors,
maintained so as to
This hazard
but is a hazard
operate safely in the
assessment to be
associated with
anticipated environment.
supplied to the
compressors,
installer I user,
reservoirs, pipework
who shall apply
etc.
the measures
indicated.
55105