POWDER FILLED TYPE EQUIPMENT ( Ex ‘q’)

• Equipment enclosure filled with quartz /sand so that in normal operating condition, any arc occurring within the enclosure of electrical equipment will not ignite the surrounding atmosphere

• No ignition shall be caused either by flame or by excessive temperature of the surfaces of the enclosure

• Enclosure constructional features:
  • High mechanical strength
  • Ingress protection
  • Powder filled
  • Insulation of enclosed equipment

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