NEMA Enclosure Types
Table 1 [From NEMA 250-2003] Comparison of Specific Applications of Enclosures ... Type of Enclosure Provides a Degree of Protection Against the Following Conditions 1 * 2 * 4 4X 5 6 6P 12 12K 13 Access to hazardous parts X X X X X X X X X X Ingress of solid foreign objects (falling dirt) X X X X X X X X X X ... the Following Conditions 3 3X 3R ...
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