ST Alternator, STC Alternator STC-2,STC-5,STC-7.5,STC-10,STC-12,STC-15,STC-20,STC-24,STC-30,STC-40,STC-50 ST-5 ST/STC ALTERNATORS ST/STC Alternators ... three phases are available. Output: from 2kw to 50kw ST/STC SINGLE-PHASE OR THREE-PHASE A.C. SYNCHRONOUS ALTERNATORS MODELOUTPUT ...