VEGA VEGASON 66 Foundation Fieldbus - Manual (Page 49)

Electrical protective measures
Protection
IP 66/IP 67
Overvoltage category III
Protection class I
Approvals
ATEX II 2 G EEx m II T6, ATEX II 1/2 D IP66 T
Supplement
VEGASON 66 - Foundation Fieldbus 49
28795
-EN
-060731