* Shell material: aluminum alloy (surface anodizing treatment)
* Protection level: IP66 (IP48)
* Working ambient temperature: -45℃ ... + 70℃
* Explosion—proof marks: Ex d [ib] II C Gb; Ex tb III C Db IP66
* Explosion—proof parameters: UO = 5V, I0 = 5O0mA, Ui = 5V, li = 5OmA, Ci = 50μF
* Thread specification: M40 x 1.5