Use in hazardous areas
Explosion-proof electrical machines correspond to standards of the IEC/EN 60034 and IEC/EN
60079 series. Only operate the machine in hazardous areas, strictly complying with the
specications of the responsible supervisory authority. The relevant supervisory authority is
responsible for determining the hazard level of each area and classifying the zones. The type of
protection as well as special regulations are stamped on the rating plate or in the test
certicate. If the certication number is supplemented by an X, to safely operate the machine,
observe the special notes in the operating instructions - or if available, in the EC type
examination certicate or in the IECEx Certicate of Conformity. Converter operation must be
certied. It is crucial that you carefully observe the specic manufacturer's information and
instructions.
Type of protection Ex nA or ex ec
This machine has type of protection "non-sparking" Ex nA according to IEC / EN 60079-0
and IEC / EN 60079-15 - or type of protection "Increased safety" Ex ec according to IEC / EN
60079-0 and IEC / EN 60079‑7. Only operate the machine in hazardous Zone 2 according to
IEC / EN 60079‑10-1.
Type of protection Ex e or Exeb
This machine has type of protection "Increased safety" Ex e or ex eb according to IEC / EN
60079-0 and IEC / EN 60079‑7. Only operate the machine in hazardous Zones 1 and 2
according to IEC / EN 60079‑10-1.
Type of protection Ex tb, Ex tc
This machine has optionally (or exclusively) "Protection through enclosure" (Ext) type of
protection according to IEC/EN60079‑0 and IEC/EN60079‑31. Only operate the machine
in hazardous Zones21 and 22 in type of protection Ex tb - and only in Zone22 in type of
protection Ex tc according to IEC/EN60079‑10-2.
3.2 Rating plates
The rating plate shows the identication data and the most important technical data. The data
on the rating plate and the contractual agreements dene the limits of proper and intended use.
Data on the rating plate
Item Description Item Description
General data Electrical data
1 Type of machine 31 Electrical data
2 Machine type 33 Rated voltage V
3 Serial number (incl. date of manufacture YY.MM) 34 Winding connections
4 Standards 35 Frequency Hz
5 Additional details (optional) 36 Rated power kW
6 Customer data (optional) 37 Rated current A
7 Country of origin 38 Power factor cosφ
8 Manufacturer specications 39 Rated speed rpm
Description
3.2Rating plates
1MB..1/2/3/4 - shaft heights 63 ... 355
26 Operating Instructions, 11/2023, A5E52779900A