- Ex: It is indicated by this mark that the equipment is an explosion-proof electrical product.
- d: The flameproof enclosure type is represented by “d”. It is ensured that internal explosions can be withstood by the equipment enclosure without damage, and external gas explosions will not be triggered.
- IIC: The equipment group is referred to by “IIC”. It is applied in Class IIC environments, where flammable and explosive gases such as methane and ethylene are present.
- T6: The temperature class is denoted by “T6”. It is specified that a maximum surface temperature of 85°C is not exceeded by the equipment, ensuring that surrounding flammable and explosive gases are not ignited.
