Adex Transformers
Adex is a leading transformer manufacturer in Bangladesh, specializing in IEC, ANSI and BDS compliant power and distribution transformers for utilities, industries, infrastructure, and commercial projects. With over 40 years of manufacturing experience, Adex delivers high-efficiency, application-specific transformer solutions designed for reliable and safe power distribution.
As one of the remarkable transformer manufacturers in South Asia, Adex operates with a dedicated team of 500+ professionals and our advanced manufacturing facilities produce up to 1200 MVA annually, offering oil-immersed transformers, hermetically sealed distribution transformers, cast resin dry-type transformers, special-purpose transformers, and power transformers up to 35 MVA, 36 kV. All products are engineered for durability, operational safety, and long-term performance in demanding electrical environments.
Our Transformer Solutions
Power Transformers
High-capacity power transformers up to 35 MVA, 36 kV
- Grid, auto, step-up, and step-down transformers
- Designed for transmission and large industrial systems
- IEC & ANSI compliant, engineered for long-term reliability
Oil-Immersed Distribution Transformers
Reliable distribution transformers for utility and industrial networks
- Conventional oil-immersed design
- Optimized for stable and efficient power distribution
- Suitable for utility, industrial, and infrastructure applications
Hermetically Sealed Distribution Transformers – NIRVOY
Maintenance-free, leak-proof distribution transformers
- Fully sealed, moisture-resistant construction
- Reduced maintenance and extended service life
- Ideal for harsh and outdoor operating conditions
Cast Resin Dry-Type Transformers – PROTIVA
Fire-safe, eco-friendly dry-type transformers
- Resin-encapsulated windings for enhanced safety
- Suitable for indoor and sensitive environments
- Low maintenance with high thermal performance
Special-Purpose Transformers
Application-specific transformers up to 36 kV
- Rectifier, earthing, furnace, isolation, and station transformers
- Custom-engineered to meet project requirements
- Designed for demanding industrial applications
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Automatic Voltage Regulators (AVR)
Voltage stabilization solutions for distribution systems
- Ensures stable voltage and network efficiency
- Suitable for industrial and utility installations
- Designed for continuous and reliable operation
Key Features of Adex Transformers
Reliable Performance
- Design-verified and type-tested transformers compliant with IEC, ANSI & BDS standards
- Stable and consistent performance under continuous and peak load conditions
- Proven operation in utility, industrial, and critical infrastructure networks
- Optimized thermal performance for long service life
Engineered for Durability
- Robust construction suitable for harsh climatic and operating environments
- Oil-immersed, hermetically sealed, and dry-type transformer options
- Low-maintenance design with high mechanical and electrical endurance
- Quality-controlled manufacturing for consistent, dependable output
Sustainable & Efficient
- Energy-efficient designs with reduced technical losses
- Environmentally responsible insulation systems and materials
- Long lifecycle supporting lower total cost of ownership
- Ready for integration with renewable energy and modern power systems
Why Choose Adex Transformers?
Global Standards Compliance
All our transformers are designed and tested to comply with IEC, ANSI, and other global standards, ensuring safety and performance worldwide.
Custom Engineering Solutions
From capacity to insulation class, every unit is tailored to suit specific applications—whether industrial, utility, or infrastructure.
Reliable in Harsh Environments
Our transformers are proven to perform consistently in high-temperature, humid, and dusty conditions—common in Bangladesh and beyond.
Efficient & Long-Lasting
With high energy efficiency ratings and durable design, our transformers offer long operational life with reduced maintenance.
Frequently Asked Questions About Transformers
Find answers to common questions about our products and services.
What types of transformers does Adex manufacture?
Adex manufactures a wide range of power and distribution transformers, including oil-immersed distribution transformers, hermetically sealed transformers, cast resin dry-type transformers, special-purpose transformers, and power transformers up to 35 MVA and 36 kV. These transformers are designed for utility, industrial, infrastructure, and commercial applications.
What standards do Adex transformers comply with?
Adex transformers are designed, manufactured, and tested in compliance with international standards such as IEC, ANSI and BDS ensuring safety, performance, reliability, and global acceptance for utility and industrial power systems.
What is the difference between oil-immersed and dry-type transformers?
Oil-immersed transformers use insulating oil for cooling and are commonly installed outdoors or in utility networks. Dry-type cast resin transformers use solid insulation, are fire-safe and environmentally friendly, and are ideal for indoor, commercial, and sensitive installations.
When should a hermetically sealed transformer be used?
Hermetically sealed transformers are recommended for harsh, humid, or outdoor environments where minimal maintenance and leak-proof operation are critical. Their sealed design prevents moisture ingress and extends service life.
Can Adex provide customized transformer solutions?
Yes. Adex offers custom-engineered transformer solutions tailored to project-specific requirements, including voltage levels, capacity, installation conditions, environmental factors, and application needs.
What industries and applications do Adex transformers serve?
Adex transformers are widely used in utilities, industrial plants, commercial buildings, infrastructure projects, data centers, renewable energy installations, and critical power systems.
Does Adex provide testing, commissioning, and after-sales support?
Adex provides complete lifecycle support, including design consultation, manufacturing, routine and type testing, installation assistance, commissioning, and long-term after-sales service.
What is Adex’s manufacturing capacity for transformers?
Adex operates advanced manufacturing facilities with an annual production capacity of up to 1200 MVA, enabling timely delivery for both domestic and international projects.