It's a GE # CR160MC7502A Pics can be seen here http://pg.photos.yahoo.com/ph/sparky_806/album?.dir=6465re2

photo-cell controlls a relay. the relay controls the open/close coils on the contactor. according to my GE rep, everything is correct.
Richard

[This message has been edited by sparky806 (edited 10-04-2006).]