Phillips 66® Transformer Oil is a highly refined electrical insulating oil developed for use in oil-immersed transformers, capacitors, tap changers, and circuit breakers where the equipment manufacturer specifies a Type II inhibited oil meeting ANSI/ASTM D3487-09 requirements.
• Excellent insulating properties
• High dielectric strength
• Low power factor
• Resists oxidation and deposit formation
• Excellent low-temperature properties
• Compatible with materials used in transformers
• Does not contain any PCBs
• Oil-immersed transformers
• Circuit breakers & switches
• Fuses
• Tap changers
• Other oil-immersed electrical equipment
Transformer Oil meets the requirements of the following industry and OEM specifications:
• ANSI/ASTM D3487-09 Type II Inhibited Oil
• British Standard BS 148, Class 1A
• Federal VV-I-530A, Class II Specification
• GE A13A3A2 (10CA)
• IEEE
• International Standard IEC 60296
• NEMA Type II (obsolete)
• Westinghouse Specifi ation PDS 55822AG
| ISO Grade | 10 |
| Specific Gravity @ 60°F | 0.887 |
| Density, lbs/gal @ 60°F | 7.39 |
| Color, ASTM D1500 | 0.5 |
| Flash Point (COC), °C (°F) | 160 (320) |
| Pour Point, °C (°F) | -60 (-76) |
| Viscosity | |
| cSt @ 40°C | 9.6 |
| cSt @ 100°C | 2.3 |
| SUS @ 100°F | 60.3 |
| SUS @ 210°F | 34 |
| Viscosity Index | 19 |
| Acid Number, ASTM D974, mg KOH/g | <0.01 |
| Aniline Point, ASTM D611, °C (°F) | 75 (167) |
| Corrosive Sulfur, ASTM D1275B | Non-corrosive |
| Dielectric Breakdown Voltage (2) | |
| Disc Electrodes, 60 Hz, ASTM D877, kV | 40 |
| Oxidation Stability, RPVOT, ASTM D2272, minutes | 280 |
| PCB Content, ASTM D4059, wt % | None |
| Power Factor @ 60 Hz, ASTM D924 | |
| @ 25°C (77°F), % | 0.003 |
| @ 100°C (212°F), % | 0.074 |
| Water, ASTM D1533, wt % | 0.0015 |
