Description
3
Applications
This electrical machine is designed for driving rotating machines in industrial environments
and also for energy conversion. It is characterized by a high level of safety, long lifetime, and
overall reliability.
For details of the machine supplied and the permissible operating conditions, refer to the
"Technical data and drawings" (Page 113) section in the Appendix of these Operating
Instructions.
The machine was designed in accordance with the ordering party's specification and may only
be used for the contractually agreed purpose.
Type of protection Ex db
This machine has Ex db type of protection according to GB 3836.2. Therefore, it may be
operated in hazardous areas of Zone 1 in accordance with GB 3836.14.
DANGER
Explosion hazard from hybrid mixtures
Hybrid mixtures are mixtures of flammable dusts with explosive gas/air atmospheres which
can together create a dangerous explosive atmosphere if they occur at the same time.
Changes can arise in the safety characteristics here, such as a change in the zonal
classification, increase in the explosion pressure, reduction in the minimum ignition energy
and a reduction in the maximum temperatures to be observed.
An explosion can result. This can result in death, serious injury or material damage.
● For this reason, the relative characteristics must be considered both for gas (zones 0, 1
and 2) and for dust (zones 20, 21 and 22) where hybrid mixtures arise. It is necessary for
a competent assessor to determine in the individual case whether the parameters
determining ignition are unfavorably affected in a particular hybrid mixture.
● Motors with dual plates for G (“Gas”) and D (“Dust”) may only be used where these two
occur after prior examination of the properties of the hybrid mixtures by the user.
Machine design
The regulations and standards used as the basis to design and test this machine are stamped
on the rating plate.
SIMOTICS HV C 1NB1402-2AA84-4CA0-Z
Operating Instructions 06/2018 19
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