Views • Cross Section; Atex - asecos UFA.20.30 Manual De Instrucciones

11. VIEWS • CROSS SECTION
1
Ventilator
2
Gas sensor
Filter 3
Voltage-free alarm contact
4

12. ATEX

II 3/- G Ex ic nA IIB T4 Gc
1 2
Marking of explosion-proof devices
1
Device group in accordance with directive 94/9/EC (Atex 95)
2
II non-underground operation
Device categories of the assemblies used
3
3/- extraction from explosion zone 2, installation exclusively in non-explosive zones
G Gas
Ignition protection classes
4
Ex ic intrinsic safety with the protection level "ic" – not capable of causing ignition in undisturbed operation
nA non-sparking
Explosion groups in accordance with EN 60079-0:2011
5
IIB the group has a safe gap value (MESG) of 0.5-0.9 mm, suitable e.g. for use of ethylene
Temperature class
6
T4 max. surface temperature of the equipment 135 °C
Protection level EPL pursuant to IEC 60079-0 (2007)
7
3/- G Gc Suitability for extraction from explosion zone 2
2
151
Ø75
3
1
3
4
4 5
EN
6 7
7 7