22KV OUT DOOR OIL COOLED Combined Unit (Dual Core)   CT PT Combined Unit        11 KV        22 KV        33 KV   CT PT Combined Unit (Dual Core)        11 KV        22 KV        33 KV   Instrument Transformer           Current Transformers        11 KV, 22 KV & 33 KV        110 KV & 132 KV            Potential Transformers        11 KV, 22 KV & 33 KV        110 KV & 132 KV    Distribution Transformers        11 KV, 22 KV & 33 KV            up to 5 MVA   Power Transformers        11 KV, 22 KV, 33 KV, 66 KV &            up to 50 MVA     Type :Out Door Oil Cooled System Frequency :50Hz Normal System Voltage :22kV Highest System Voltage :24kV Insulation Level :50/125 kV       CURRENT TRANSFORMER:     Primary Current :Up to 300A Secondary Current :5 A & 1 A Burden :5VA,10VA &15VA CT Acc. Class :0.2,0.5,0.2s,0.5s & 1.0       POTENTIAL TRANSFORMER:     Primary Voltage :22000V Secondary Voltage :110V Burden :15VA,30VA &50VA PT Acc. Class :0.2, 0.5 & 1.0 Phase :3 STC Rating :100 times full load for 1.0 Sec. Standard :IS 2705 & IS 3156