NEMA ICS 3 2005 Edition, January 1, 2005
Industrial Control and Systems: Medium Voltage Controllers Rated 2001 to 7200 Volts AC
Includes all amendments and changes through Reaffirmation Notice , 2010
Published By:National Electrical Manufacturers Association (NEMA)
This part applies to AC general-purpose contactors and Class E magnetic controllers rated 2001–7200 volts, three phase, 50 and 60 hertz.