generator reliable, Stamford Type of AC generators, Three Phase, IP23, Class H, Rated voltage 400V, 110-690V for option, ... weight, delicate appearance and reliable operationMain Index:1) Rated voltage 400V, 110V-690V for option2) Three phase, single ... effective factor of telephone TIF≤50Features: 1) Reliable automatic voltage control exciting system, providing invariable excitation on all occasions ...