Three-phase oil transformer TMG 630 10/0,4 - reliability, efficiency and long service life
Evernew Transformer is a leading Chinese power transformer manufacturer, providing a complete production cycle from raw material processing to final product testing. We offer TMG 630 10/0.4 oil transformers with quality guarantee, high reliability and GOST, CE, UL certification.
Designation of transformer TMG 630
This type of transformer is designed to operate in 6 kV, 10 kV and 35 kV networks, reducing the voltage to 0.4 kV, 0.23 kV or 0.69 kV. It is widely used in:
- General purpose power grids (industrial and municipal facilities);
- Energy systems enterprises and factories;
- Distribution substations residential and commercial buildings;
- Agricultural infrastructure;
- Electrification of remote sites.
Transformers of TMG series meet the requirements of GOST 15150-69 (version U1), which guarantees their reliable operation in moderate climate conditions.
Main technical characteristics of TMG 630 10/0,4
✔ Rated power - 630 kVA
✔ Mains frequency - 50 Hz
✔ HV voltage - 6/10 kV (other values possible)
✔ LV voltage - 0.4 kV (0.23 kV or 0.69 kV on request)
✔ Winding connection diagram - U/UN-0; D/UN-11.
✔ Short-circuit voltage - 5.5%
✔ Full service life - at least 30 years
✔ Warranty - 2 years
✔ Average MTBF - at least 25,000 hours
✔ Climatic version - Y1 (GOST 15150-69)
✔ Dimensions - 1520×1000×1435 mm
✔ Weight (full/oil) - 1700 kg / 395 kg
Read More:Oil-filled power transformer TMG 1000 10

Design and operational features
Transformer TMG 630 10/0,4 is made in hermetically sealed version and includes:
🔹 Oil tank with radiators - made of 2.5-4 mm thick steel, coated with weather-resistant paint for corrosion protection.
🔹 Cooling system - natural circulation of oil and air.
🔹 Voltage regulation - A mechanical switch is provided that operates when the load is disconnected.
🔹 Insulating materials - high quality oil-resistant rubber for seals, resistant to temperature fluctuations.
🔹 Control and protection system:
- safety valve;
- manovacuum gauge;
- oil level indicator;
- temperature sensors (thermometer);
- overheating alarm and overvoltage protection.
🔹 High quality windings - made of copper or aluminum, depending on the customer's requirements.
Thanks to quality materials and well thought-out design, the transformer TMG 630 10/0,4 guarantees stable operation, low operating costs and increased protection from external influences.
Read MoreTransformer TM 630 10 0.4

Advantages of Evernew Transformer transformers
✅ Integrated production process - from winding and core fabrication to final assembly and testing.
✅ High quality standards - our products comply with GOST, CE, ULwhich confirms its reliability and safety.
✅ Fast delivery - production capacity allows us to provide short delivery time even with custom orders.
✅ Flexibility in parameters - voltages, windings and transformer design can be changed on request.
✅ Resistance to climatic conditions - protective coating and hermetically sealed construction allow our transformers to be used even in harsh weather conditions.
✅ Global supply - transformers Evernew Transformer exported to Russia, Kazakhstan, Belarus, Uzbekistan, Europe, North and South America.
✅ Wholesale supplies - We offer competitive prices for large purchases and long-term partners.
Order transformer TMG 630 10/0,4 right now!
Evernew Transformer - your reliable partner in the transformer industry. We provide wholesale supplies и individual production transformers according to the customer's requirements.
📩 Contact us for a quote!
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