IEC

The international standards body for electrical technologies; publishes specifications for transformer and insulating fluids and lubrication guidelines for wind-turbine gearboxes.

Full name
International Electrotechnical Commission
Type
Standards body
Official website
iec.ch

Products covered by this standard

Eni

2 products
Eni Transformer & dielectric oils
  • Eni ITE 600

    Straight mineral electrical insulating oil for transformers

    • Transformers

    IEC 60296 Type B

  • Eni ITE 600 X

    Inhibited mineral dielectric oil for transformers

    • Transformers

    IEC 60296 Type A

Shell

8 products
Shell Industrial gear oils
Shell Transformer & dielectric oils
  • Shell Diala S4 ZX-I

    Premium inhibited electrical insulating oil, virtually sulphur-free, for power transformers

    • Transformers

    GB 2536-2025

  • Shell Diala S4 ZX-I (EU-OEM)

    Premium inhibited electrical insulating oil, virtually sulphur-free, for power transformers

    • Transformers

    IEC 60296 Type A

  • Shell Diala S4 ZX-I (EU)

    Premium inhibited electrical insulating oil, virtually sulphur-free, for power transformers

    • Transformers

    IEC 60296 Type A

  • Shell MIDEL 7131

    Synthetic ester electrical insulating liquid, fire-safe and biodegradable

    • Transformers (ester)

    IEC 61099

  • Shell MIDEL eN 1204

    Natural rapeseed ester electrical insulating liquid, fire-safe

    • Transformers (ester)

    IEC 62770

Mobil

3 products
Mobil Industrial gear oils
  • Mobil SHC Gear 320 WT

    PAO synthetic oil for wind turbine gearboxes, DNV-GL certified for no WEC contribution

    • Industrial gears

    ISO VG 320

Mobil Transformer & dielectric oils
  • Mobilect 39

    Inhibited mineral dielectric oil for transformers, circuit breakers and switchgear

    • Transformers

    IEC 60296 Type A

IEC standards

Gear and axle oil

Other

  • IEC 60296 Type AIEC 60296, Type A — uninhibited transformer oil
  • IEC 60296 Type BIEC 60296, Type B — inhibited transformer oil
  • IEC 61039IEC 61039 — classification of insulating liquids
  • IEC 61099IEC 61099 — synthetic ester insulating liquids
  • IEC 62770IEC 62770 — natural ester insulating liquids

All standards and approvals

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