Dehler
High-efficiency dry-type and oil-immersed transformers built to handle harsh sub-Saharan environments, industrial surges, and grid fluctuations.
Optimized cast resin dry-type transformers offering maximum fire safety and low environmental impact. Engineered specifically for high-density commercial developments and indoor substations across Mozambique's growing urban centers.
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Cost-efficient pole-mounted transformers tailored for rural electrification projects. Built to survive high ambient temperatures and provide steady voltages to residential and agricultural grids.
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Heavy-duty, low-loss distribution transformers designed for continuous operation under tropical conditions. Key asset for industrial corridors, mining sites, and power grid step-down stations.
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Metal-clad switchgear designed for medium voltage power distribution control. Vital for protecting distribution transformers and mining substations in Mozambique.
Request Technical SpecsAn in-depth whitepaper analysis of Mozambique's utility requirements, industrial growth, and the electrical hardware standards required to build a resilient grid.
Mozambique's energy landscape is undergoing one of the most rapid and expansive transformations in sub-Saharan Africa. Guided by the "ProEnergia" national program and managed by the state utility Electricidade de Moçambique (EDM), the nation aims to transition from a decentralized grid to universal electricity access by 2030. Achieving this monumental milestone requires not just generation capacity—such as the massive Temane Thermal Power Plant and Cahora Bassa hydro expansions—but a major expansion of step-down substations and distribution links.
Our role as a leading transformer exporter serving Mozambique is to supply high-reliability electrical equipment that complies directly with EDM grid codes. Distribution networks in Maputo, Beira, Nampula, and Tete require highly customized transformers that can step down transmission-level voltages (such as 33kV and 110kV) into safe, usable 11kV, 6.6kV, and 400V industrial and residential lines.
Mozambique's industrial sectors are highly diverse, spanning the coal and graphite mining clusters in Tete and Cabo Delgado, the industrial manufacturing hubs of the Nacala Development Corridor, and the coastal logistics ports of Beira and Maputo. Each of these zones presents distinct challenges for electrical transmission equipment:
As the Mozambican grid expands, power quality becomes a key operational concern for industrial enterprises. Fast voltage drops, high harmonic distortions from mineral processing machinery, and reactive power losses degrade network stability. Integrating GCS drawer-type low-voltage switchgear, automatic power factor compensation cabinets (GGJ), and low-voltage reactors alongside transformers ensures a stable power factor above 0.95, saving industrial operators thousands of dollars in utility penalties and minimizing equipment breakdown rates.
Deciding between dry-type cast resin and oil-immersed transformers for industrial projects.
Ideal for: High-density urban areas, commercial buildings, schools, shopping centers, and marine port substations.
Dry-type transformers feature coils encapsulated in epoxy resin under vacuum conditions. Because they contain no flammable oils, they represent the gold standard in indoor safety. They require minimal maintenance, do not leak chemical pollutants, and can be installed close to load centers to reduce low-voltage cable losses.
Ideal for: Outdoor distribution networks, heavy mining operations, solar parks, and high-voltage transmission step-down.
Utilizing high-grade mineral or synthetic ester insulating oil, these transformers offer excellent overload capacity and self-healing dielectric properties. Equipped with corrugated tanks or radiators, they dissipate heat efficiently in extremely warm regions like Mozambique’s inland provinces.
| Parameter | Standard Class | Coastal Environment Config | Inland High-Temp Config |
|---|---|---|---|
| Cooling Class | ONAN / ONAF | ONAN (Hermetically Sealed) | ONAF with Forced Air Fans |
| Corrosion Class | ISO C3 / C4 | ISO C5-M (Marine Grade) | ISO C4 with UV Stabilization |
| Bushing Material | Standard Porcelain | High Creepage Polymeric | Heavy-Duty Reinforced Porcelain |
| Winding Material | Copper / Aluminum | Oxygen-Free Electrolytic Copper | Oxygen-Free Electrolytic Copper |
Established in 2016, Dehler Technology Co., Ltd. has grown into a leading technology enterprise integrating R&D, manufacturing, global sales, and engineering support services. We are located in the Yanpan Economic Development Zone, Yueqing City, with our specialized transformer and complete substation manufacturing plant situated on Jingba Road, Economic Development Zone.
We specialize in high & low voltage switchgear, Prefabricated Substations (package substations), cable branch cabinets, indoor & outdoor vacuum circuit breakers, load break switches, disconnectors, and precision electric components. By operating dedicated production lines for international projects, we configure our hardware to stand up to the rigorous standards of global markets, particularly addressing the unique grid requirements of the African continent.
A comprehensive range of medium voltage, low voltage, and reactive power compensation equipment ready for export to Mozambique and regional ports.
High-quality copper and aluminum wire-wound low voltage reactors. Essential for filtering out harmonics and shielding sensitive systems in Mozambique manufacturing sites.
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Intelligent controllers that track real-time power factor levels and step in reactive power compensation blocks, reducing overall grid transmission losses.
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Armored, removable metal-clad switchgear built for 35kV to 40.5kV lines. An ideal switchgear system for protecting heavy industrial inputs and rural substation structures.
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Heavy-duty safety grounding switches providing robust short-circuit protection and electrical isolating safety during maintenance procedures.
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Highly efficient inductive components designed to stabilize electrical systems and improve the overall power quality profile in variable load industrial operations.
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Compact indoor distribution switchgear providing continuous power path switching, overload protection, and high operator safety limits.
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Gas-insulated or air-insulated compact RMU structures designed for high-density ring grids, crucial for city power networks in Beira and Maputo.
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A heavy-duty box-type fixed switchgear designed for medium voltage network control in outdoor step-down locations.
Request QuoteEssential operational components for maintaining utility-grade sub-stations and high-reliability industrial power distribution plants.
Optimized for utility-scale solar installations, consolidating multiple photovoltaic array string outputs for delivery to main step-up solar transformers.
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Reliable overcurrent and short-circuit protection for outdoor distribution lines. Crucial shield element for sub-station line transformers.
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Molded epoxy resin components providing robust phase insulation inside high voltage cabinet lines.
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Compact sulfur hexafluoride ring main unit suitable for industrial sites, ensuring uninterrupted medium voltage power pathways.
Tech DetailsOver the years, Dehler Technology has diversified its core distribution portfolios to match dynamic international needs. Strengthening our quality control structures is a permanent priority. We strictly execute standard ISO national and international quality frameworks to deliver reliable power distribution solutions.
“High-quality products, superior technology, and impeccable service” are the core goals that drive our manufacturing systems. Facing the opportunities and challenges of global power distribution networks, we continue to streamline our business models, refine engineering capabilities, expand localized distribution connections, and ensure reliable execution across major utility projects.
Heavy-duty switchgear panels, automatic reactive power compensators, and mechanical contact elements designed for durable high voltage applications.
A robust power cabinet designed to protect industrial machinery and distribute power across commercial buildings and plants.
Optimizes industrial power grids in real-time, correcting reactive losses and reducing load burdens on distribution transformers.
A classic, high-reliability switchgear assembly suitable for industrial power stations, distribution grids, and factories.
Withdrawable cabinet units designed for central power distribution hubs. Provides easy modular maintenance and high circuit density.
Designed for distributing 12kV lines in ring-configured grids. Ideal for mining estates and urban infrastructure networks.
A high-safety medium voltage switchgear configuration designed to provide uninterrupted grid protection in indoor spaces.
Utilizes sulfur hexafluoride gas insulation to provide high dielectric strength in a compact frame, ideal for urban grids.
High-voltage metal-clad enclosure engineered to house vacuum circuit breakers for substation protection systems up to 40.5kV.
Reliable switchgear framework designed for step-down distribution nodes operating at 35kV to 40.5kV.
Specifically tailored for municipal buildings and factory substations requiring a small-footprint distribution setup.
Critical mechanical-electrical safety locking mechanism that prevents incorrect operations inside switchgear panels.
Premium wall-penetrating insulation bushing built to safely feed high-voltage busbars into substations and powerhouses.
Essential copper conducting terminals providing stable connections within high-voltage circuit breakers.
Precision spring-loaded contacts configured to handle large short-circuit currents during line faults.
Designed for switchgear switch operations, providing high mechanical life and steady electrical connections.
High-creepage porcelain or composite post insulators built to withstand coastal salt air and protect busbar structures.
Over the years, Dehler has built long-term strategic relationships with leading material vendors and electrical equipment distributors globally.












Answers to common engineering and shipping questions related to medium-voltage projects in Southeast Africa.
Get in touch with our engineering support team for customized electrical solutions, technical data sheets, and competitive export pricing for Mozambique utility and industrial projects.