OIL IMMERSED TYPE EQUIPMENT (Ex ‘o’) 

• Protection technique in which the equipment or its parts are immersed in oil in such a way that an explosive atmosphere which, may be above the oil or outside the enclosure cannot be ignited.

• Oil used shall be mineral oil confirming to relevant standards

• Constructional features:

  • Fully enclosed, leak-proof enclosure
  • Oil level indicator

• Transformers, Switch gears, Control gears

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