AC and DC Ratings for Low Voltage Control
A full list of the various categories of AC and DC ratings can be found in Eaton's IEC Contactors and Starters catalog, volume 5 tab 1 in the Technical Data section.
http://www.eaton.com/ecm/groups/public/@pub/@electrical/documents/content/vol05_tab01.pdf#page=249
| Category | Typical Application |
| AC-1 | Non-inductive or slightly inductive loads, resistance furnaces |
| AC-3 | Squirrel cage motors: starting, switching off motors during running |
| DC-1 | Non-inductive or slightly inductive loads, resistance furnaces |
| DC-3 | Shunt-motors: starting, plugging 2, inching 3, dynamic breaking of motors |
