“Marmelosa”, 11/203, Mambakkam Road, Medavakkam, Chennai- 600100, India

044-22771709, 22771516


ASTA-certified CTs


Medium Voltage Current Transformers

  • Kappa CTs are designed to minimize the errors of transformation using the best quality electrical steels
  • Our MV block type CTs are ASTA (UK) type tested
  • Periodic type tests ensure the continuing quality of our CTs.
  • Completely automated design software linked with our type test data base ensures fast and accurate generation of designs.
  • Testing of CTs is computerized and linked to client’s order.
  • Our technical and application guide gives complete product details and guide for selection.

Product Range

  • CTs are available for metering, protection and special protection (Class PS,X,PX)
  • Class TPX CTs suitable for transient protection are available
  • CTs suitable for precision metering of class 0.2 (IEC) and class 0.15 (ANSI)
  • Special metering classes of class 0.5 S, 0.25 S (IEC) and class 0.155 (ANSI) available
  • Multi-ratio and multi-core CTs available
  • Extended burden and extended current ratings can be offered.
  •  Extended creepage can be offered.
  • Frequency of 50/60 Hz can be offered.
  •  Capacitive tap can be provided on CT for voltage indication.
  • Product standards: Latest versions of 
IEC 61869-1.2      ANSI IEEE C57.13       AS (IEC) 60044-1      IS 16227 series
Ring type MV CT s Click To View
Window type MV CT s Click To View
Bar primary CT s Click To View
Wound primary (block type) CT s Click To View
CT s for ANSI IEEE Std Click To View
CT s for GIS application Click To View
Ring CT s/ Wall bushing CT s for MV applications Click To View
Outdoor CT s – oil immersed and dry type Click To View