Explosion-proof photoelectric relay designed for classified areas with the presence of flammable vapors and gases, its operation is switched according to incident light variation. The photoelectric relay has a great advantage. In addition to its modern and efficient design, its electronic circuit was designed with a protection system against transient flashes. Applicable in Zone 1 and 2, for groups IIA, IIB, and IIC. Application temperature, supports variation from -40°C to 70°C. Certified according to Inmetro (Brazil), ATEX (European Community), IECEx (International). Available with M32x1.5 or 1″ NPT connection threads.