2.3
Use in hazardous areas
Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous area
must have the following specific qualifications:
● They are authorized, trained or instructed in operating and maintaining devices and systems
according to the safety regulations for electrical circuits, high pressures, aggressive, and
hazardous media.
● They are authorized, trained, or instructed in carrying out work on electrical circuits for
hazardous systems.
● They are trained or instructed in maintenance and use of appropriate safety equipment
according to the pertinent safety regulations.
WARNING
Use in hazardous area
Risk of explosion.
● Only use equipment that is approved for use in the intended hazardous area and labelled
accordingly.
● Don't use devices that have been operated outside the conditions secified for hazardous
areas. If you have used the device outside the conditions for hazardous areas permanently
make all Ex markings unrecognizable on the nameplate.
See also
WARNING
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device has already been operated in non-intrinsically safe circuits or the electrical
specifications have not been observed, the safety of the device is no longer ensured for use
in hazardous areas. There is a risk of explosion.
● Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe
circuit.
● Observe the specifications for the electrical data on the certificate and/or in Technical data
Safety notes
2.3 Use in hazardous areas
SITRANS I300 Isolating power supply with EIA-485 interface
Operating Instructions, 01/2019, A5E45099319-AA
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