You will find the current versions of the standards in the currently valid UL HAZ. LOC. certificates
UL HAZ. LOC. mark
NOTICE
Validity only when the devices are marked
There is a corresponding approval only with devices to which the UL HAZ. LOC. mark is applied.
The identification of the electrical equipment is:
LISTED E223122
IND.CONT.EQ FOR HAZ.LOC.
CL.I, DIV.2, GP.C,D T4
CL.II, DIV.2, GP.F,G T80 °C
AEx ec IIB T4 Gc, Ex ec IIB T4 Gc X
AEx tc IIIC T80 °C Dc, Ex tc IIIC T80 °C Dc X
-25 °C < Tamb. < +70 °C
IP64
U
n
= 24 V DC, 60 mA
The equipment also has the following additional information:
XXXYYYZZZ
[= serial number, is assigned during production]
5.1.8.1
Using the reader in hazardous area for gases
The temperature class of the reader for hazardous areas depends on the ambient temperature
range:
Ambient temperature range
Temperature class
-25 °C < Ta < +70 °C
T4
WARNING
Ignitions of gas-air mixtures
When using the reader, check to make sure that the temperature class is adhered to in keeping
with the requirements of the area of application
Non-compliance with the permitted temperature ranges while using the reader can lead to
ignitions of gas-air mixtures.
Readers
5.1 SIMATIC RF310R
SIMATIC RF300
134
System Manual, 02/2021, C79000-G8976-C345-09
