As per IEC Standards, the areas where explosive dusts may be present are categorized into three groups: Zone 20, Zone 21, and Zone 22. This animation is about Zone 21.
Zone 21 is defined as an area in which an explosive dust atmosphere, in the form of a cloud of dust in the air, is likely to occur occasionally in normal operation. Electrical or non-electrical equipment used in Zone 21 must not become a source of ignition in the form of hot surfaces or sparks.
24 авг 2024
