Transformer Oil for Reliable Power Equipment
Transformer oil plays a critical role in electrical insulation, heat transfer and reliable transformer operation. Ludhiana Petroleum provides a wide range of transformer oil grades designed for different transformer applications and international performance requirements.
Our range includes mineral, iso-paraffinic, natural ester and synthetic ester transformer fluids, covering standard, superior, premium and fire-resistant applications.
The transformer oil range sourced from APAR includes products conforming to major standards such as IS 335, IEC 60296, ASTM D 3487, IEC 61099 and IEC 62770.
Fire-Resistant Transformer Fluids
TO HFLL
Fire-resistant mineral transformer fluid for specialised electrical applications.
TO NE
Natural ester transformer fluid designed for fire-resistant transformer applications.
TO SE
Synthetic ester transformer fluid for demanding fire-resistant applications.
Premium Grades
TO 1020 60 U
IS: 335 – 2018 – Type I
TO 1020 60 UT
IS: 335 – 2018 – Type I
TO 1020 60 UX
IS: 335 – 2018 – Type I
TO 1020 60 H
IS: 335 – 2018 – Type I
TO 1020 60 HT
IS: 335 – 2018 – Type I
TO 1020 60 HX
IS: 335 – 2018 – Type I
TO 1020 60 SNX
IS: 335 – 2018 – Type I
TO 1020 60 U
IEC : 60296 – 2020 Type B Standard Grade oil
TO 1020 60 UT
IEC : 60296 – 2020 Type B Standard Grade oil
TO 1020 60 UX
IEC : 60296 – 2020 Type B Standard Grade oil
TO 1020 60 SNX
IEC : 60296 – 2020 Type A High Grade Oil
TO 1020 60 H
IEC : 60296 – 2020 Type B Standard Grade oil
TO 1020 60 HT
IEC : 60296 – 2020 Type B Standard Grade oil
TO 1020 60 HX
IEC : 60296 – 2020 Type A High Grade Oil
TO 1020 AUT
ASTM D 3487- 2016 TYPE I
TO 1020 AUT
ASTM D 3487- 2016 TYPE I
TO 1020 AUX
ASTM D 3487- 2016 TYPE II
Superior grades
TO 10
IEC 296 Class II:1982
TO 10 BS
BS 148 Class II:1984
TO 10 X
IEC 296 Class IIA :1982
TO 10 BS X
BS 148 Class IIA :1984
TO 1020
IEC 296 Class I & II:1982
TO 1020 BS
BS 148 Class I & II:1984
TO 1020 X
IEC 296 Class I A& IIA :1982
TO 1020 BS X
BS 148 Class IA & II A:1984
Standard grades
TO 335 H
IS 335-2018 Type II
TO 335 HT
IS 335-2018 Type II
TO 335 HX
IS 335-2018 Type II
TO 20
IEC : 296-1982 Class I
TO 20 BS
BS : 148-1984 Class I
TO 20 X
IEC : 296-1982 Class I A
TO 20 BS X
BS : 148-1984 Class I A