ISO 9001:2015, BIS Approved Under CML No. 9512620420 Certified Company


S&V Switchgears Environment friendly VPI (Vacuum Pressure Impregnated) Dry type transformers upto 3 MVA, 33 kV class are designed, manufactured and tested at S&V Switchgears owned production units, and are most suitably meant for safe & trouble free performance in challenging conditions.


These transformers are fitted in powder coated enclosure with IP Degree of Protection. No chances of spillages and leakages due to no oil involved. In case of fire, minimal non toxic smoke & gases are emitted this enables it environment friendly.


VPI Dry type transformers are preferably used in fire hazardous places, humid & chemically polluted atmospheres

Technical Specification

  • Ratings: - 3 Phase, Up to 3000 KVA, 33 kV Class
  • Applicable Standards: - IS: 1180, 2026, 11171 & IEC: 76
  • Application: - Indoor/Outdoor
  • Frequency: - 50/60 Hz
  • Cooling: - AN/AF

Technical Specification

  • Vector Group: - Dyn11/Dyn1/VNyn or as per customer specification
  • Insulation: - Class For H/C
  • Core: - Prime CRGO with Step-lap Design for Low Losses & Current
  • Winding: - Electrolytic grade copper (with Enameled & Nomex Insulation)
  • Tapping Switch: - On load tap changer (OLTC)/Off circuit tap changer (OFTC)/Off circuit tap links (OFTL)