JUMO 60.5051 Explosion-protected surface-mounting thermostat, ATH-EXx Operating Manual - Manual (Page 20)

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6 Instrument description
6.1 Technical data
Ex
marking II 2G Ex ed IIC T5 bzw. T6
for potentially explosive gas atmospheres
II 2D Ex tD A21 IP65 T95°C bzw. T80°C
for potentially explosive dust atmospheres
Explosion
protection II 2G Equipment group II, Category 2,
equipment for potentially explosive gas atmospheres
II 2D Equipment group II, Category 2,
equipment for potentially explosive dust atmospheres
Explosion
protection type Ex General requirements
European Standard EN 60079-0
e Increased safety
European Standard EN 60079-7
d Flameproof enclosure
European Standard EN 60079-1
IIC Gas group
T5 or T6 Temperature class
Application in combustible dusts
European Standard EN 61241-0
EN 61241-1
IP65 Protection to EN 60529-IP65
T95°C or T80°C max. permissible surface temperature
(application in combustible dusts)
Test
certificate PTB 03 ATEX 1187