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10/13 MN03402007Z-DE/EN
1
Overload relays
ZEB12, ZEB32, ZEB65, ZEB150 and
ZEB225
Foreword
In addition to the regulations in accordance with
EN 60079-14 and VDE 0165 Part 1, separate regulations for
the corresponding degrees of protection apply to the protec-
tion of motors in potentially explosive atmospheres. The
standard EN 60079-7 requires additional measures for
motors with ignition protection type “e”, “Increased
Safety”. These measures provide an increased level of safety
and thus prevent the possibility of impermissibly high
temperatures and the occurrence of sparks and arcing in
motors in which this does not occur in normal operation. The
motor-protective devices for this that are themselves not
located in the Ex area must be certified by an accredited
certification body.
For motors in potentially explosive dust-air mixtures, stan-
dard norm EN 60079-14 specifies additional measures.
Directive 94/9/EC on the approximation of the laws of the
Member States concerning devices and protective systems
intended for use in potentially explosive areas.
Содержание ZEB Series
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