Motors – Operating and Assembly Instructions
36 B 1091 en-3118
DANGER
Explosion hazard
The increased danger in areas with inflammable dust demands the strict observation of the
general safety and commissioning information. Explosive concentrations of dust may cause
explosions if ignited by hot or sparking objects. Such explosions may cause serious or fatal
injuries to persons or severe material damage.
The persons responsible must be qualified according to the national and local regulations.
Pos: 99 /A nl eitu nge n/M otor en/ B10 91 D re hstro mm otor en/ 3. AT EX/ Inbetr iebna hmehi nweis e / Anw endung sber eich [Z one 21+ 22] @ 7\mod_1431432858289_388.docx @ 219020 @ 3 @ 1
3.3.1 Commissioning information / Field of application
If the motors are required for use with frequency inverters, this must be stated in the order. The
supplementary operating instructions B1091-1 must be observed. The motors must be protected against
overheating with suitable monitoring equipment! The thickness of dust deposits must not exceed 5 mm!
The motors are designed for the voltage and frequency range B of EN 60034 Part 1.
Exception: Size 132MA/4 2D, 132MA/4 3D, 132LH/4 2D, 132LH/4 3D motors comply with the voltage
and frequency range A.
Motors for use in Zone 21 and Zone 22, with labelling TF may be thermally monitored via the built-in
PTC in combination with a suitable triggering device as the sole protection.
Electrical equipment for use in areas with inflammable dust comply with the standards DIN EN 60079-
0, IEC 60079-0, EN 60079-31, IEC 60079-31, as well as DIN EN 60034 and IEC 60034.
The valid version of the standard can be obtained from the EC Declaration of Conformity or the IECEx
CoC. The degree of the explosion hazard determines the zone categorisation. The operator / employer
is responsible for the assignment of zones (in Europe: RL 1999/92/EC).
If the certification is supplemented with an "X" the special conditions in the EC prototype certification,
the IECEX CoC and/or the relevant documentation must be observed. The use of standard motors which
are not certified for explosion hazard areas in explosion hazard areas is prohibited.
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