Shopping Cart
Transformer oil
Transformer oil
Discover the outstanding properties of our high-quality transformer oil. Developed for demanding applications in transformers, converters, switches, and capacitors, this transformer oil offers first-class performance and reliability. Manufactured in Germany by a premium supplier.
Transformer oil is a high-purity insulating and cooling medium for oil-cooled electrical systems. It is used in power and distribution transformers, voltage converters, switchgear, and other high-voltage equipment . Its main functions are electrical insulation , efficient heat dissipation from windings and cores, and the protection of components from aging and harmful influences.
Thanks to its specially formulated composition, transformer oil offers high dielectric strength and excellent thermal performance. It also helps suppress partial discharges and arcing during switching operations. High purity and good oxidation stability ensure long service life and reduce deposits during operation.
Transformer oil is primarily used in energy distribution networks, industrial plants, infrastructure projects, and for maintenance and service work. It is suitable for both new fillings and for replacing or topping up existing systems.
Properties of the transformer oil:
-
High electrical insulation capacity
-
Good thermal conductivity and cooling performance
-
High chemical stability and resistance to aging
-
High flash point for safe operation
-
Suitable for continuous operation under electrical and thermal stress
Transformer oil
Our Traöl is specially formulated by a leading German manufacturer of specialty oils to prevent arcing between live parts, extinguish arcs in switches, and efficiently dissipate heat. Thanks to its high oxidation resistance, it remains stable for longer and provides reliable insulation.
Properties of transformer oil
With excellent cooling capacity and a low dielectric loss factor ensures efficient heat dissipation and minimizes energy losses. Its high purity and flash point increase the safety and reliability of your electrical systems.
Our transformer oil meets the highest industry standards, including lubricating oil DIN 57370 - VDE 0370, IEC 60296 (82) Class I, II and III, ASTM D3487 Type I, ASI 1767 – 1975 and BS 148:97 Class I and II.
Key data of the transformer oil
Density at 15 °C: 0.875 g/cm³ according to DIN 51757
Viscosity at 40 °C: 10 mm²/s according to ASTM D 7042-04
Viscosity at -30 °C: 1000 mm²/s according to ASTM D 7042-04
Pourpoint: -48 °C according to DIN ISO 3016
Flash point: 150 °C according to DIN ISO 2592
Neutralization number: < 0.01 mg KOH/g ( DIN 51558 T1)
Color number (ASTM): 0.5 ( DIN ISO 2049)
Aromatic content: 10% ( IEC 60590)
Acid number: < 0.01 mg KOH/g ( ASTM D 664)
Interfacial tension: 48 mN/m
Corrosive sulfur: not present ( DIN ISO 5662)
Dielectric loss factor at 90 °C: <0.001 (IEC 60247)
Inhibitors: Not detectable wt.% ( IEC 60666)
Oxidation stability at 120 °C for 164 hours: IEC 61125 C
Mud: 0.16 wt.%
PCB content: not detectable
Packaging units: 20 l plastic canisters and 200 l metal drums
Trust in the quality and performance of our transformer oil to optimally protect your electrical equipment and maximize its operating efficiency.
FAQ – Frequently Asked Questions about Transformer Oil
What is transformer oil used for?
Transformer oil serves as an insulating and cooling medium in oil-cooled electrical systems, especially in transformers and high-voltage equipment.
Why is transformer oil important for operation?
It prevents electrical arcing, dissipates heat, and contributes significantly to the operational safety and lifespan of the system.
What properties are crucial for transformer oil?
Important properties include high electrical dielectric strength, good thermal stability, low aging tendency and a high flash point.
How long can oil be used in transformers?
The service life depends on operating conditions such as temperature, load, and humidity. Regular oil checks help determine the optimal time for changing the oil.
Can transformer oil be refilled or replaced?
Yes, it is used for initial filling as well as for maintenance, refilling, and replacement purposes. Compatibility with the existing system should be ensured.
In which areas is transformer oil typically used?
In energy distribution systems, industrial and infrastructure projects, in mechanical and plant engineering, as well as in service and maintenance work.
DD-MGN-Transformatorenöl
Tap to zoom
