Tag - IECEx

IEC standards for Explosive Atmospheres

Selection of Devices According to Zones Devices for use in Zone 0 Intrinsically safe ‘ia’ Flameproof ‘da’. Encapsulation ‘ma’. Optical Radiation ‘op is’. Equipment secured by special protection ‘s’ Ex sa. Devices for use in Zone 1 Electrical devices allowed for use in Zone 0, or Flameproof enclosure ‘d’ or ‘db’. Pressurized devices. Powder filling ‘q’. Oil immersion “o” or ‘ob’. Increased safety ‘e’ or ‘eb’. Intrinsically safe ‘ib’. Encapsulation ‘mb’. Devices for use in Zone 2 Electrical devices allowed for use in Zone 0 and Zone 1, or Electrical devices designed particularly for Zone...

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