Check this reference out http://www.nipsco.nisource.com/elecstd/er/er13560.pdf Looks like your are talking about a single phase motor. Characteristics for motors very depending on the type of motor ie a capacitor start, capacitor start and capacitor run etc. You can also get motor rated fuses that allow a brief surge of current during start up but give protection for a prolonged current draw as would happen with a locked rotor. Google has lots of hits for "Motor start current" _______________________________________ Roy Tauranga New Zealand _______________________________________ -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.10.4 - Release Date: 27/04/2005 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist