Technical appendix Protection ratings Rittal products meet the highest The consistently high product quality A precise allocation of products and approvals quality standards. All components quality management system. found on our product andto marks of conformity can beis ensured by a comprehensiveinternationally recognized Product protection ratings and are subjected to the most Regular production inspections service pages on the Internet: approvals are key requirements stringent testing in accordance by external test institutes also www.rittal-corp.com for the global acceptance of with international standards guarantee compliance with industrial products. and regulations. global standards. The IP protection ratings is characterized by 2 numbers - example of protection rating IP 43: Code Letters IP First characteristic numeral Second characteristic numeral 4 3 Degrees of protection for protection against contact and foreign bodies: Degrees of protection for protection against water: First characteristic numeral Second characteristic numeral First Degree of protection Second Degree of protection characteristic characteristic numeral Description Definition numeral Description Definition Protected against solid foreign The object probe, a sphere 2.0" Protected against vertically Vertically falling drops shall 1 objects with a diameter of 2.0" (50 mm) in diameter, must not 1 falling water drops have no harmful effects. (50 mm) and greater penetrate fully1). The object probe, a sphere 0.5" (12.5 mm) in diameter, must not Vertically falling drops must not Protected against solid foreign penetrate fully1). The articulated Protected against vertically have any harmful effects when 2 objects with a diameter of 0.5" test finger may penetrate up 2 falling water drops when the the enclosure is tilted up to (12.5 mm) and greater to its length of 3" (80 mm), but enclosure is tilted up to 15° 15° in both directions from the adequate distance must vertical. be adhered to. Water sprayed at an angle of Protected against solid foreign The object probe, a sphere 0.1" Protected against up to 60° on either side of the 3 objects with a diameter of 0.1" (2.5 mm) in diameter, must not 3 spraying water vertical must have no harmful (2.5 mm) and greater penetrate at all1). effects. Water splashed on the Protected against solid foreign The object probe, a sphere Protected against enclosure from every direction 4 objects with a diameter of 0.04" 0.04" (1.0 mm) in diameter, 4 splashing water must not have any adverse (1.0 mm) and greater must no penetrate at all1). effects. The ingress of dust is not fully prevented, but dust may not Water splashed on the enter to such an extent as to enclosure from every direction 5 Dust-protected 5 Protected against water jets impair satisfactory operation of must not have any adverse the device effects. or safety. Water splashed on the No ingress of dust at a partial Protected against powerful enclosure from every direction 6 Dust-tight vacuum of 20 mbar inside the 6 water jets in a powerful jet must not have enclosure. any adverse effects. Water must not ingress to such an extent as to cause harmful Protected against the effects of effects when the enclosure is 7 temporary immersion temporarily immersed in water in water under standardized pressure and time conditions. Water directed at the enclosure from every direction Water with high-pressure/ 9K 2) under greatly increasedstream-jet cleaning pressure must not have any adverse effects. 1) The full diameter of the object probe must not pass through an opening of the enclosure. 2) This test is not regulated by EN 60 529, but by DIN EN 40 050, part 9. Extracts from BS EN 60 259: 1991 are reproduced with the permission of BSI. Complete editions of the standards can be obtained by post from BSI Customer Services, 889 Chiswick High Road, London W4 4AL Rittal Catalog 33 839
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