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11/01 AWB2300-1433GB
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Motor-protective system ZEV
Preface
In addition to the degree of protection specified in the
standards EN 60079-14 and VDE 0165 Part 1, further
provisions have been made to ensure safety from ignition for
motors operated in potentially explosive atmospheres. EN
50019 prescribes additional measures to be taken for the
operation motors with "increased safety" type of protection
"e". These measures improve the degree of safety and
prevent impermissible high temperature and development of
sparking and arcing, which is usually not found when motors
are operated under normal conditions. The motor protective
devices used for this are operated outside of the EEx e area
and must be certified by an accredited certification authority.
The guidelines on the application of Directive 94/9/EC
(ATEX 100a) on the approximation of the laws of the
Member States concerning equipment and protective
systems intended for use in potentially explosive
atmospheres will be enforced as of 06.30.2003.
The motor-protective system ZEV is approved by the PTB
according the 94/9/EC (ATEX 100a) Directives.
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Number of the EU Certificate of Compliance:
PTB 01 ATEX 3233.