1,AVR control 2,IP22, Insulation Class H 3,2/3 pitch winding 4,Single or double bearing option 5,ISO9001-2008,CE certificate ... or other alternators. Standard 2/3pitch windings avoid excessive neutral current.3, Dynamically balanced rotors, with single or two sealed ball bearings ... and coupling bolts.5, Wide range of flange adaptor and single bearing coupling disc.6, Built to conform to all leading ...