331-531, HOBUT, HOBUT CT132 Series DIN Rail Mounted Current Transformer, 300A Input, 300:5, 5 A Output, 21mm Bore, Brand HOBUT, Current Ratio 300:5, Bore Size 21mm HOBUT CT132 Series DIN Rail Mounted Current Transformer, 300A Input, 300:5, 5 A Output, 21mm Bore