Refer to the chart below for the ratings of relative protection of electrical enclosures: IP Ratings Guide The IP rating normally has two (but may have three) numbers: Protection from solid objects or materials Protection from liquids (water) Protection against mechanical impacts (commonly omitted,...
Type 3R enclosure:Intended for outdoor use, primarily to provide a degree of protection against falling rain, sleet and external ice formation.Type 3S enclosure:I ntended for outdoor use, primarily to provide a degree of protection against wind-blown dust, rain and sleet, and to provide for...