src = http://www.engineeringtoolbox.com/nema-enclosures-d_919.html NEMA enclosure classifications are developed by NEMA and used in the U.S./American market. Ingress Protection - IP - ratings are developed by the European Committee for Electro Technical Standardization (CENELEC) (described IEC/EN 60529), and specifies the environmental protection and enclosure provided. The table below can be us..

발전플랜트/Study Reference 2011. 5. 13. 15:41