Ex-pert Electrical Technologies
Dynamic elaboration on the Art & Science of Hazardous Area Protection
Oil Immersion
Name of the Protection Technique: Oil Immersion
Symbol: o
Oil Immersion
Electrical equipment or parts of electrical equipment are completely immersed in a protective fluid (e.g. oil) in such a way that a potentially explosive atmosphere existing above the surface or outside of the encapsulation cannot be ignited
Main Application: Transformers, starting resistors
| Type of Ignition Protection | Abbreviation | Region | Classification | Specification/Standard |
| Oil Immersion | AEx o | US | Class I, Zone 1 | ISA 60079-6 |
| Oil Immersion | Ex o | CA | Class I, Zone 1 | CSA E79-6 |
| Oil Immersion | Ex o (EEx o) | EU | Zone 1 | EN 50015 |
| Oil Immersion | Ex o | IEC | Zone 1 | IEC 60079-6 |
Ex-pert Electrical Technologies 