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Cast Resin Epoxy Dry Type Distribution Transformer
Dry-type Transformer

Cast Resin Epoxy Dry Type Distribution Transformer

This epoxy cast dry transformer adopts high-strength epoxy resin as solid insulation without insulating oil. Featuring strong overload capacity, excellent anti-shock performance and stable partial discharge index, it meets strict urban and indoor power supply demands. The fully enclosed structure resists dampness and dust, supports long-term continuous operation with minimal routine upkeep, widely deployed in municipal transit, commercial complexes and industrial distribution projects.

    Scope of Application

    High-rise Commercial Building 

    Suitable for shopping malls, hospitals and office towers with strict fire prevention and low-noise power supply standards.

    applictaa (1)

    Industrial Production Base

    Matches chemical, machinery and new energy workshops requiring stable power under fluctuating load conditions.

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    Rail Transit Hub

    Designed for subway, airport and light rail stations that demand high safety and compact installation space.

    applictaa (3)

    Product Description

    • 1 - Epoxy integral casting structure delivers outstanding mechanical strength and crack resistance.
    • 2 - Fully oil-free design eliminates fire hazard and hidden danger of liquid leakage.
    • 3 - Powerful 150% short-time overload capacity ensures stable power during peak consumption.
    • 4 - Built-in intelligent temperature sensing system achieves automatic cooling and overheat alarm.
    • 5 - High-density insulation layer enables normal operation under high humidity and dusty surroundings.
    • 6 - Compact layout saves floor space and allows direct setup inside indoor power distribution rooms.

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    Main parameters

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    Execution standards

    VCG211294761765
    IEC 60726
    Specifications for epoxy resin cast dry-type power transformers
    IEC 60076-11
    General technical requirements for all dry-type transformers
    IEC 60529
    IP enclosure protection rating testing standard for electrical equipment
    GB/T 1094.11
    Chinese national standard for cast-resin dry transformer manufacturing

    Technical advantages

    VCG211335853348

    This series of dry-type transformers utilizes advanced dry-type insulation technology and contains no insulating oil, thereby eliminating the risks of oil leakage, fire, and explosion at the source and ensuring exceptional fire safety. The units feature low operating losses, superior partial discharge control, and robust resistance to short circuits and mechanical shocks, ensuring a continuous and stable power supply. Designed to be moisture- and dust-proof and resistant to temperature and humidity fluctuations, they are suitable for diverse and demanding operating environments. They operate quietly with zero pollutant emissions, making them an environmentally friendly choice. Their compact design eliminates the need for dedicated fire suppression systems or oil containment areas, offering flexibility in installation site selection. Furthermore, the absence of oil-related maintenance requirements significantly reduces the burden of long-term operation and maintenance while extending the product's service life. These transformers are widely applicable across various sectors, including commercial buildings, industrial parks, rail transit, and municipal power distribution.