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8.3
Marcado tipo de protección IECEx „h"
[Ex h Ga] IIC
Associated apparatus which is set up outside the gas atmosphere
[Ex h Da] IIIC
Associated apparatus which is set up outside the dust atmosphere
Standard designation according to IEC 60079-0
Explosion group II C gases, low ignition energy such as hydrogen
Equipment Protection Level:
Ga (gases) for category 1, zone 0 for gas
Da (dust) for category 1, zone 20 for dust
Designation according to standard series EN 80079-37 for non-electrical devices
"h": related equipment according to ignition protection "h" for category 1
III C conductive dusts
8 IECEx
68
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