Nema Dry type transformer 1) Frequency; 50hz/60hz 2) For Ac power 3) ISO 90001/2000 CE Certificate Isolation Type Transformer 15 KVA,20KVAUnit is good condition with normal wear and will get the job done! Model ;9T121B3005 G 26Serial; JTType ML, 769G,Phase3Ph, 60Hz,temp rise 115 Nema IP transformer Dry type Isolation seriese