Sanjay Technical Services Private Limited
Jeedimetla, Hyderabad, Telangana
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Potential Transformers

Medium Voltage Potential Transformers Epoxy Resin Cast Potential Transformers. Epoxy resin cast Potential Transformers of single core for metering purpose are commonly used. Di-electric strength of the oil-impregnated paper insulation is preserved by hermetic sealing of the transformer.


  • Non-ageing Epoxy with Class B insulation
  • Non Hygroscopic
  • Vacuum cast under controlled conditions
  • Partial discharges as per allowable limits
  • Designed to work in high ambient in enclosed switch gears
  • Good mechanical stability under fault conditions


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Product Details:
Power11 KV and 33 KV
Core TypeWound CT, Bar CT, Ring Core Type CT, Split Core Type CT
Accuracy ClassPS Class, 10, 0.5, 20, 0.2
MaterialIndoor Resin Cast , Outdoor Oil Cooled
Rated Burden5 VA to 100 VA
Number Of Cores1 to 4
Warranty12 Months
Our company has established itself as a leading manufacturer and trader of superior quality Potential Transformers PT. These transform high currents and voltages to standardized low and easily measurable values that are isolated from the high voltage. When used for metering purposes, instrument transformers provide voltage or current signals that are very accurate representations of the transmission line values in both magnitude and phase. These signals allow accurate determination of revenue billing. When used for protection purposes, the instrument transformer outputs must accurately represent the transmission line values during both steady-state and transient conditions. These critical signals provide the basis for circuit-breaker operation under fault conditions, and as such are fundamental to network reliability and security.


  • Accurate determination of values
  • Smooth functioning
  • Multiple indicators



  • Power: 11KV
  • Industry: Electric machines

Additional Information:
  • Item Code: 11KV-PT
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Product Details:
Power Rating33 KV
PhaseThree Phase
Manufacturing and trading of supreme quality Potential Transformers PT Oil Cooled has helped us achieve a very high level of trust in the market. They are designed to present negligible load to the supply being measured and have an accurate current ratio and phase relationship to enable accurate secondary connected metering. These are constructed by passing a single primary turn (either an insulated cable or an uninsulated bus bar) through a well-insulated toroidal core wrapped with many turns of wire. This affords easy implementation and using the pass-through conductor as a single turn primary.


  • Easy implementation on high voltage bushings
  • Secondary turn core
  • Long operational life



  • Direct measurement of voltage in High Voltage System is Not possible because of insulation problem of measuring instruments. It is also not possible to use direct voltage for the system protection purpose due to its high value and high insulation problem protective relays. Therefore voltage transformers are used to step-down the high system voltage to low standard value accurately in proportion to their ratio.

Additional Information:
  • Item Code: 33KV-PT
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Sanjay Technical Services Private Limited

Y. Ajay Chowdary(Director)
No. D-38, Phase 4 Extension, IDA Jeedimetla
Hyderabad - 500055
Telangana, India
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