TAM 00621 6
DSD 45-100 05/2007
Three-phase synchronous motor English
Using the unit in potentially explosive atmospheres is prohibited unless the unit has
been expressly designed for this purpose (refer to additional notes). Furthermore, the
area surrounding the electric motor must be free of combustible gas mixtures and
hazardous concentrations of dust. Live and hot motor parts are inflammable and may
cause serious injury and damage to property.
If, in special cases, higher requirements are imposed – for use in non-industrial
applications – (e.g. protection against contact with a child's fingers), these conditions
must be met by the customer when installing the system.
Motor design with rare-earth magnets:
The rotors of the three-phase synchronous motors contain rare-earth magnets with high
magnetic energy densities. High forces of attraction to ferromagnetic components occur
in the vicinity of disassembled rotors; persons with pacemakers are in grave danger and
data stored on electronic data media could be destroyed. Incorrect handling can result
in injury when ferromagnetic parts are attracted by the rotor.
Thermal hazard:
Caution, risk of burns!
Motor surfaces can reach temperatures in excess of 70°C. If necessary, fit guards!
Temperature-sensitive parts, e.g. standard cables or electronic components, must not
be placed on or fixed to the hot surfaces.
Thermal overloading can destroy the winding and the bearing and even lead to the
demagnetization of the rare-earth magnets. A thermal sensor should be used to monitor
the temperature.
1.3 Prohibition of unauthorized modifications and changes
For safety reasons, unauthorized modifications and changes to the electric motor are
forbidden. If such modifications/changes are necessary, please contact the
manufacturer.
No safety devices may be dismantled or decommissioned when operating the electric
motor.
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