100 mm

IntroductionProtection systemIP protection systemThe protection system for devices in accordance with DIN EN 60529 (DIN VDE0470 IEC 60529) indicates suitability for various environmental conditions.1 st digit Protection against foreign particles 2 nd digit Protection against water0 no protection 0 no protection1 large foreign matter (Ø from 50 mm) 1 vertically dripping water2medium-sized foreign matter (Ø from 12.5 mm,length up to 80 mm)2 water dripping at an angle (up to 15°)3 small foreign matter (Ø from 2.5 mm) 3 falling spray water up to 60° from the vertical4 foreign matter in the form of grains (Ø from 1 mm) 4 spray water from all sides5 dust deposits in non-damaging quantities 4kspray water from all sides under increased pressure;applies only to road vehicles6 no entry of dust 5 Water stream (jets) from any angle6 strong water stream (jets) (fl ooding)strong water stream (jets) under increased pressure6k(fl ooding); applies only to road vehicles7 temporary immersion8 permanent immersionhigh pressure water/steam cleaning; applies only to road9kvehiclesComparison of NEMA and IEC protection systems –classificationThe ‘National Electrical Manufacturers Association’ (NEMA) sets standards andnorms in the USA.NEMA protectionsystemProtectionIEC protectionsystem1 falling dirt IP 102 dripping water and falling dirt IP 113 wind-blown dust, rain and hail; no damage due to external ice formation IP 543 R rain and hail; no damage due to external ice formation IP 143 S wind-blown dust, rain and hail; also usable in the case of external ice formation IP 544 wind-blown dust, rain, spray water and water streams; no damage due to external ice formation IP 564 Xwind-blown dust, rain, spray water and water streams; no damage due to external ice formation,protection against corrosion5 dust, falling dirt, dripping non-corrosive fl uids IP 526 water streams, temporary immersion; no damage due to external ice formation IP 676 P water streams, longer periods of immersion IP 6712 and 12 K swirling dust, falling dirt, dripping non-corrosive fl uids IP 5213 dust, spray water, oil, non-corrosive fluids IP 54Please note: IP and NEMA codes are not directly, but rather only approximately, comparable16