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Electromagnetic starter of environmental distinction Aug 05, 2016

Different countries and regions, according to the classification of hazardous areas. According to the frequency and duration of explosive gas mixture occurs, explosive atmosphere into the o zone 1 and zone 2. (Consistent with IEC the International Electrotechnical Commission)

Zone 0: continuous or prolonged environment of explosive gas mixtures.

District 1: in the environment of explosive gas mixtures may occur during normal operation.

Zone 2: in a mixture of explosive gases during normal operation impossible environment or if there would only be a short-time environment of explosive gas mixtures.

Zone 0 is generally only found in sealed containers, storage tanks and other internal air space, zone 1 rarely exist in the actual design process, for the most part belong to zone 2.