PASS & SEYMOUR / INDUSTRIAL PRODUCTS PIN & SLEEVE DEVICES Technical Specifications IP Suitability Rating IEC Enclosure Classification Designation IP Suitability Ratings are an international system for classifying the degree of protection provided by enclosures of electrical equipment. The higher the number, the greater the degree of protection; they apply ONLY to properly installed equipment. The numerals stand for the following: Code Letters Ingress Protection IP IEC Enclosure Classification Designation First Number Against Ingress of Solid Bodies 0 - Nonprotected 1 - >=50 mm diameter 2 - >=12.5 mm diameter 3 - >=2.5 mm diameter 4 - >=1.0 mm 5 - Dust-protected 6 - Dusttight 1. First Number: Degree of protection for persons against access to hazardous parts inside the enclosure and/or against solid bodies. 2. Second Number: Degree of protection of equipment inside enclosures against damage from the ingress of water. Second Number Against Ingress of Water with Harmful Effects 0 - Nonprotected 1 - Vertically dripping 2 - Dripping (15° Tilted) 3 - Spraying 4 - Splashing 5 - Jetting 6 - Power jetting 7 - Temporary immersion 8 - Continuous immersion Note: >= denotes greater than or equal to. Dimensions in millimeters (mm). Example: IP44 = Ingress Protection; Solid bodies >=1.0 mm; Splashing IP44 Suitability Conversion Chart Fractions to Decimals to Millimeters Inches Fraction Decimal 1/64 1/32 3/64 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 0.0156 0.0312 0.0468 0.0625 0.0781 0.0937 0.1093 0.1250 0.1406 0.1562 0.1718 0.1875 0.2031 0.2187 0.2343 0.2500 mm 0.3969 0.7938 1.1906 1.5875 1.9844 2.3812 2.7781 3.1750 3.5719 3.9688 4.3656 4.7625 5.1594 5.5562 5.9531 6.3500 Inches Fraction Decimal 17/64 9/32 19/64 5/16 21/64 11/32 23/64 3/8 25/64 13/32 27/64 7/16 29/64 15/32 31/64 1/2 WWW.LEGRAND.US/PASSANDSEYMOUR 0.2656 0.2812 0.2968 0.3125 0.3281 0.3437 0.3593 0.3750 0.3906 0.4062 0.4218 0.4375 0.4531 0.4687 0.4843 0.5000 mm 6.7469 7.1438 7.5406 7.9375 8.3344 8.7312 9.1281 9.5250 9.9219 10.3188 10.7156 11.1125 11.5094 11.9062 12.3031 12.7000 Inches Fraction Decimal 33/64 17/32 35/64 9/16 37/64 19/32 39/64 5/8 41/64 21/32 43/64 11/16 45/64 23/32 47/64 3/4 0.5156 0.5312 0.5468 0.5625 0.5781 0.5937 0.6093 0.6250 0.6406 0.6562 0.6718 0.6875 0.7031 0.7187 0.7343 0.7500 mm 13.0969 13.4938 13.8906 14.2875 14.6844 15.0812 15.4781 15.8750 16.2719 16.6688 17.0656 17.4625 17.8594 18.2562 18.6531 19.0500 Inches Fraction Decimal 49/64 25/32 51/64 13/16 53/64 27/32 55/64 7/8 57/64 29/32 59/64 15/16 61/ 64 31/32 63/64 1 0.7656 0.7812 0.7968 0.8125 0.8281 0.8437 0.8593 0.8750 0.8906 0.9062 0.9218 0.9375 0.9531 0.9687 0.9843 1.0000 mm 19.4469 19.8437 20.2406 20.6375 21.0344 21.4312 21.8281 22.2250 22.6219 23.0188 23.4156 23.8125 24.2094 24.6062 25.0031 25.4000 301 INDUSTRIAL PRODUCTS INDEXhttp://WWW.LEGRAND.US/PASSANDSEYMOUR