Transformer 25 KVA 11KV & 22KV transformer in 25 KVA. Distribution Transformers usually use copper or aluminum conductors and are wound around a magnetic core to transform current from one voltage to another. Distribution transformers come in two types; dry-type and liquid. SPECIFICATIONS : KVA - 25 VOLTS NO LOAD - HV : 1100 AND LV : 433 AMPS - HV : 1.31 AND LV : 33.33 CORE & WINDING WT. - 110 KG'S WEIGHT OF OIL - 147 KG'S PHASE - HV : 3 AND LV : 3 VECTOR GROUP REF. - DYN. - 11 TOTAL WEIGHT - 323 KG'S OIL - 105 LTR. IND STD.-IS-2026/1180 FREQUENCY C/S - 50 MONTH & YEAR GUARANTEE PERIOD - 5 GUARATEED MAXIMUM TEMP. RISE IN WDG. / OIL - 50/45