VoltageBurdenRange 1-ph.Tape wound & resin cast Upto 1100 v Prim:1 a to 10000 a; sec: 5 or 1a Bar primary ctsMetering & 2.5 va to 30 vaCl. 0.2/0.5/1.0/3.0/5.0 Protective2.5 va to 30 vaCl. 5p3/5p5/5p10/5p15/5p20 ProtectiveVk & rct reqd.Cl.Ps 3-ph.Tape wound & resin cast Upto 1100 v Prim: 200 a to 5000 a; sec: 5 or 1a Bar primary cts Metering & 2.5 va to 30 vaCl. 0.2/0.5/1.0/3.0/5.0 Protective2.5 va to 30 vaCl. 5p3/5p5/5p10/5p15/5p20 ProtectiveVk & rct reqd.Cl.Ps 1-ph.Tape wound & resin cast Upto 1100 v2.5 va to 15 vaPrim:1 a to 150 a; sec: 5 or 1a Wound primary cts Metering & Cl. 0.5 / 1.0 / 3.0 Protective Cl. 5p10 3-ph.Resin cast Upto 1100 v2.5 va to 5 vaPrim:50 a to 100 a; sec: 5 or 1a Wound primary cts Metering Cl. 0.5 / 1.0 1-ph.Resin cast Upto 1100 vSuitable for cablesSuitable for relays Core balance ctsProtectiveUpto 33 kvOf all makes 1-ph.Special cts Upto 1100 v Tape wound & resin cast Interposing & summation cts 1-ph.Resin cast cts Upto 6.6 / 11kv5.0 va to 15 vaPrimary : 1 to 3000 ampers Metering & Sec: 1, 5 and some special required ampers. Protective Cl. 0.2/0.5/1.0 Cl. 5p3/5p5/5p10/5p15/5p20 Cl.Ps As per mutual discussion