Historical
NEMA ICS 2.4-2003 (R2012)
NEMA and IEC Devices for Motor Service - A Guide for Understanding the Differences
Identifies features, conventions, characteristics and attributes of magnetic contactors and thermal overload relays. Control products compared or contrasted in this guide are those with equivalent electrical ratings; such ratings are expressed via nameplates, catalogues or technical literature.
Content Provider
NEMA: National Electrical Manufacturers Association [nema]