WAGO 750-872/020-000 Manual page 264

256 • Use in Hazardous Environments
Classification Meeting CENELEC and IEC
Explosive areas resulting from gases, fumes or mist:
Zone 0 areas are subject to an explosive atmosphere
Zone 1 areas can expect the occasional occurrence of an explosive
Zone 2 areas can expect the rare or short-term occurrence of an explosive
Explosive areas subject to air-borne dust:
Zone 20 areas are subject to an explosive atmosphere
Zone 21 areas can expect the occasional occurrence of an explosive
Zone 22 areas can expect the rare or short-term occurrence of an explosive
(> 1000 h /year) continuously or for extended periods.
atmosphere (> 10 h ≤ 1000 h /year).
atmosphere (> 0 h ≤ 10 h /year).
(> 1000 h /year) continuously or for extended periods.
atmosphere (> 10 h ≤ 1000 h /year).
atmosphere (> 0 h ≤ 10 h /year).
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP