- Manufactured since 1966 to the design of English Electric, UK
- Type tested as per IEC: 60214, IS: 8468
- Voltage ratings (Um) from 12kV to 145 kV delta and star application with current ratings upto 600 Amps in 9, 17, 21 upto 33 positions
- Compatible for SCADA and all modern data communication equipment and systems.
- Available in several configurations:
