Technicalappendix
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EPL Gc
Equipment for explosive-risk gas atmospheres with elevated
level protection.
EPL Dc
Equipment for combustible dust atmospheres with elevated
level protection.
EPL Gb
Equipment for explosive-risk gas atmospheres with high level
of protection. failure
of lamp).3
The system EPL classifications shown below. source ignition present during normal
operation when errors occur that cannot necessarily
expected regular basis. Has sufficient safety ensure that there source
of ignition the period time between the outbreak gas and
the time the equipment switched off.
Gases (Group II)
EPL Ga
Equipment for explosive-risk gas atmospheres with very high
level protection.
Dust (Group III)
EPL Da
Equipment for combustible dust atmospheres with very high
level protection.
Firedamp (methane) risk mines (Group I)
EPL Ma
Equipment for installation mine with very high level of
protection. source ignition present during normal
operation and can have additional safeguards ensure that
none present during faults which happen regularly (e. source ignition present during normal
operation when errors occur that cannot necessarily
expected regular basis.
EPL Db
Equipment for combustible dust atmospheres with high level
of protection.
EPL Mb
Equipment for installation mine with high level of
protection. source ignition present during normal
operation and can have additional safeguards ensure that
none present during faults which happen regularly (e. Has sufficient safety that ensure there source
of ignition even when the device operated following an
outbreak gas. failure
of lamp).
ATEX directive 1999/92/EC
. source ignition present during normal
operation when errors occur that cannot necessarily
expected regular basis. source ignition present during normal
operation very rare faults
