16
Installation RS20/22/30/32/40
Release 07 10/2021
IECEx – Certification Scheme for Explosive Atmospheres
For RS20/22/30/32/40 devices labeled with an IECEx certificate number,
the following applies:
List of standards:
IEC 60079-0:2017
IEC 60079-7:2017
IEC 60079-15:2017
The device is suitable for use in an area with maximum pollution
degree 2 as per IEC 60664-1.
Make sure that the device has the following label:
Ex ec nC IIC T4 Gc
IECEx DEK 14.0077X
for RS20/22/30/32 types.
Ex ec nC IIC T3 ... T4 Gc
IECEx DEK 14.0076X
for RS40 types.
Temperature class and code for RS20 and RS30 types:
T4: 0 °C
≤
Ta
≤
+60 °C for “S” types
(position 14 of nomenclature breakdown) or
T4:
−
40 °C
≤
Ta
≤
+70 °C for “T” or “E” types
(position 14 of nomenclature breakdown).
Temperature class and code for RS22 and RS32 types:
T4:
−
40 °C
≤
Ta
≤
+50 °C for “T” or “E” types
(position 14 of nomenclature breakdown) or
T4: 0 °C
≤
Ta
≤
+50 °C for “S” types
(position 14 of nomenclature breakdown)
Temperature class and code for RS40 types:
T3:
−
40 °C
≤
Ta
≤
+70 °C for “T” or “E” types
(position 14 of nomenclature breakdown).
T4:
−
40 °C
≤
Ta
≤
+60 °Cfor “T” or “E” types
(position 14 of nomenclature breakdown).
T4: 0 °C
≤
Ta
≤
+60 °C for “S” types
(position 14 of nomenclature breakdown).
The device shall be installed in a suitable enclosure in accordance with
IEC 60079-0 providing a degree of protection of at least IP54, taking
into account the environmental conditions under which the equipment
will be used.
