Transformer Oil

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Insulating oil

Transformer Oil

Transformer Oil
We are the agent for APAR Industries Ltd. in Thailand for marketing their high quality “Power oil” Transformer oil.
APAR transformer oil have total acceptability in Thailand by all the Transformer and switchgear manufacturers as also by the service providers to the public and private electrical utilities “ Power Oil “

POWEROIL® Transformer Oils-Credentials
Very high oxidation stability and ageing properties guarantee long service life and appropriate low viscosity and viscosity index ensure excellent cooling characteristics , the result of high-tech processes like selective optimized refining, high accuracy blending, adsorption & vacuum filtration and also uncompromising quality control at all stages that is a hallmark of Apar.

  • Widest range of Transformer Oils meeting the latest International Standards like IEC 60296 : 2003, ASTM D 3487 : 2008, BS 148 : 1998, Doble TOPS : 2008, DIN 5 7370 / VDE 0370, AS 1767.1 :1999 etc., National Standards like IS 335 : 1993 & IS 12463 : 1988 and various Customer Specifications.
  • Apar was one of the first global companies to launch non corrosive sulphur Transformer Oils meeting all latest corrosive sulphur tests.

  • Quality Initiatives

  • Manufacturing plants accredited with ISO : 9001 – 2008 and ISO : 14001 – 2004 Quality Assurance Certifications.
  • Testing facilities certified by NABL for ISO/IEC 17025 : 2005 and recognised by Department of Science & Technology, India.
  • DSIR –Department of Scientific & Industrial Research, Govt. Of India recognised in house R&D Centre.
  • Six Sigma Quality Assurance Systems.

  • Extensive Product Rang
    Covers all International / National standards and customized products for client needs.

    Apar GradesMeeting Standards
    POWEROIL TO 1020 60 UIEC 60296 : 2003 (U) General specification
    POWEROIL TO 1020 60 UTIEC 60296 : 2003 (T) General specification
    POWEROIL TO 1020 AUTASTM D 3487 : 2008 Type I
    POWEROIL TO 1020 AUXASTM D 3487 : 2008 Type II
    POWEROIL TO 1020 BUBS 148 : 1998 Class I & II
    POWEROIL TO 1020 BUXBS 148 : 1998 Class I & II A
    POWEROIL TO 335 & 335XIS 335 : 1993 & IS 12463 : 1988 (Indian Standards)
    High Grades (For Specific Requirements)Special application Oxidation Stability
    POWEROIL TO 1020 60 HTIEC 60296 : 2003 (T) Trace Inhibited
    POWEROIL TO 1020 60 HXIEC 60296 : 2003 (I)  Inhibited
    POWEROIL TO 1020 60 SNXIEC 60296 : 2003 (I)  Inhibited

  • Also available grades conforming to Doble TOPS : 2008, DIN 57370 / VDE 0370, AS 1767.1 : 1999, IEC 296 :1982 Class I, II, I A & II A Standards.
  • POWEROIL® Transformer Oils are free from DBDS and are Non Corrosive by the latest Cigre TF A2 32.01-CCD, IEC 62535 and ASTM D 1275 B Tests for corrosive Sulphur.
  • POWEROIL® Transformer Oils are non toxic free from PCBs / PCTs and non hazardous of very low PCA Content (<3%) as per IP 346 conforming to the EU Regulation.
  • Products are available in Drums and Flexi Tanks.


  • Reference in Thailand
    1. Daihen Electric Co., Ltd.
    2. Ekarat Engineering PCL.
    3. Precise Electric Manufacture Co., Ltd.
    4. QTC Energy PCL.
    5. C C Transformers Co., Ltd.
    6. SP Electric Industry Co., Ltd.
    7. Siwalee Transformer Co., Ltd.
    8. And others.