Polymer Insulators

Polymer Insulators


Spark Insulators Pvt Ltd manufactures a wide range of Polymer Insulators. These are high performance silicon rubber polymer insulators for transmission and distribution lines ranging from 11 kV to 765 kV conforming to international specifications IEC 61109 with an improvement in mechanical and electrical characteristics. These insulators are tested at: CPRI and ERDA laboratories. The company is an approved vendor for: APEPDCL, SPDCL, APNPDCL, APCPDCL, AP GENCO; Gujarat Electricity Board, i.e., GUVNL, GSECL, GETCO, MGVCL, UGVCL, DGVCL and PGVCL; MPPKVVCL – Jabalpur, MPMKVVCL – Bhopal and MPPKVVCL – Indore; HESCOM – Hubli Electricity Board; BESCOM – Bangalore Electricity Board; Punjab, Chhattisgarh and many other State Electricity Boards, Tata Projects, L&T and major wind power companies.

  • Experienced R&D product development team
  • Meeting the requirements of IEC specifications/PGCIL standards and RDSO and any relevant international standards
  • End- end to facilities, from design to testing at one location
  • NABL accredited modern extra high voltage testing laboratory equivalent to laboratories like CPRI, to test up to 400 kV and even above
  • Sophisticated instrumentation and experienced personnel

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