WARNING
Use in hazardous area
Risk of explosion.
● Only use equipment that is approved for use in the intended hazardous area and labeled
accordingly.
● Do not use devices that have been operated outside the conditions specified for hazardous
areas. If you have used the device outside the conditions for hazardous areas, make all Ex
markings unrecognizable on the nameplate.
See also
Technical data (Page 195)
WARNING
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device or its components have 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
(Page 195).
WARNING
Signal wiring
Input/output connections to the transmitter are required to be protected by intrinsic safe
barriers at all times.
2.4.1 Installation in hazardous areas
Hazardous area approvals
The device is approved for use in hazardous areas and has the approvals listed in Certificates
and approvals. (Page 206) Special conditions for safe installation and operation specified by
each approval authority are included in the relevant certificate.
Safety notes
2.4 Use in hazardous areas
SITRANS FC330
Operating Instructions, 01/2019, A5E44030648-AB 19
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