Product Selection Guide

4 8 4 Type Indicates 1 General Purpose, Indoor — To prevent accidental contact of personnel with the enclosed equipment in areas where unusual service conditions do not exist. Provides protection against falling dirt. 2 Drip-Proof, Indoor — Similar to Type 1, but also protects against falling non-corrosive liquids and falling dirt. Drainage provisions provided. 3 Dust-Tight, Rain-Tight, Sleet-Resistant, Outdoor — Protected against windblown dust and water. 3R Rainproof, Sleet-Resistant, Outdoor — Protected against rain. 3S Dust-Tight, Rain-Tight and Sleet-Proof, Outdoor — Protected against windblown dust and water, remains operable when covered by external ice or sleet. (Not protected against internal icing.) 4 Water-Tight and Dust-Tight, Indoor and Outdoor — Protected against wind-blown dust and rain, splashing water, seepage water, falling or hose-directed water, and severe external condensation. Mountings are external to cavity. 4X Water-Tight, Dust-Tight, Indoor and Outdoor — Same as Type 4 but also corrosion-resistant. Passes 200 hour salt spray (fog) test. National Electrical Manufacturers Association NEMA Ratings Prefix First # SOLIDS IP 0 No Protection IP 1 Over 50mm IP 2 Over 12mm IP 3 Over 2.5mm IP 4 Over 1.0mm IP 5 Dust, limited ingress from all directions IP 6 Total protection against dust Ingress Protection IP Ratings Prefix Second # WATER IP 0 No Protection IP 1 Dripping IP 2 Dripping when tilted up to 15° IP 3 Spraying when tilted up to 60° IP 4 Splashing IP 5 Low pressure jets IP 6 Strong jets IP 7 Temporary immersion IP 8 Prolonged immersion IP 9K Close range high-pressure and temperature spray-down