Product Overview
The PowerNex 25 kVA Dry-Type Photovoltaic & Energy Storage Transformer is specially designed for residential, commercial, industrial, and microgrid PV energy storage systems. This transformer provides safe, reliable, and efficient three-phase power for a wide range of solar applications, including rooftop PV installations, commercial solar arrays, battery energy storage systems (BESS), hybrid microgrids, and distributed energy networks.
Engineered with dry-type, oil-free technology, the transformer ensures low-noise operation, minimal maintenance, and environmentally friendly performance. It complies with IEC 60076 and global safety standards, making it suitable for international B2B procurement. PowerNex delivers competitive factory pricing, OEM/ODM customization, and worldwide logistics, allowing customers to deploy reliable solar and energy storage solutions in the USA, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, UK, Germany, France, Spain, Italy, South Africa, and beyond.
Technical Specifications
| Feature | Specification | Notes |
|---|---|---|
| Power Rating | 25 kVA | Suitable for residential, commercial, industrial PV & energy storage |
| Type | Dry-Type / Oil-Free Transformer | Low-noise, environmentally safe, maintenance-free |
| Phase | Three-Phase | Balanced power distribution for PV systems and microgrids |
| Primary Voltage | 220–240V AC | Optional voltages: 110V, 115V, 120V, 208V, 220V, 230V, 240V, 400V |
| Secondary Voltage | 120–230V AC | Customizable per regional requirements and PV inverter compatibility |
| Frequency | 50 / 60 Hz | Suitable for international electrical grids |
| Cooling Method | AN (Air Natural) | Dry-type, low maintenance, oil-free |
| Insulation Class | Class H | High thermal endurance, suitable for continuous operation |
| Standards & Compliance | IEC 60076, CE, UL/cUL, CSA, SGS | Global certifications for B2B buyers |
| Enclosure | NEMA 1 (Indoor), NEMA 3R Optional | Suitable for indoor and outdoor installation |
| Noise Level | ≤55 dB | Low-noise operation for residential and commercial areas |
| Ambient Temperature | -25°C to +40°C | Suitable for global environments |
| OEM/ODM | Supported | Voltage, capacity, enclosure, labeling customization available |
| Weight & Dimensions | Custom per design | Compact for rooftop or indoor installation |
| Applications | Residential PV, Commercial Solar, Industrial Energy Storage, Microgrid | Distributed and off-grid systems |
Applications
The 25 kVA Dry-Type PV & Energy Storage Transformer is versatile, supporting a wide variety of energy scenarios:
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Residential Solar Energy Storage – Provides stable three-phase power to homes, supports rooftop PV arrays, residential battery storage, and smart microgrid integration.
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Commercial Solar Systems – Powers office buildings, shopping centers, warehouses, and commercial rooftops, ensuring energy reliability and cost savings.
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Industrial Energy Storage & Microgrid – Supplies reliable power to factories, production lines, and industrial microgrid setups, protecting sensitive equipment and controlling peak loads.
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Hybrid Microgrids & Off-Grid Systems – Supports remote installations, islanded grids, and renewable energy management with energy storage.
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Battery Energy Storage Systems (BESS) – Optimized for lithium-ion, lead-acid, and hybrid battery configurations in distributed solar projects.
Key Advantages
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High Efficiency & Reliability: Low-loss dry-type design reduces operational costs while maintaining stable three-phase power.
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Safety & Environmental Friendliness: Oil-free, fire-safe construction; ideal for indoor and high-occupancy spaces.
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Global Certification Compliance: Meets IEC, CE, UL/cUL, CSA, and SGS requirements to satisfy international B2B standards.
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Low Noise & Maintenance-Free Operation: Operates quietly (≤55 dB), no oil replacement, minimal supervision required.
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Customizable Solutions: Supports OEM/ODM voltage adjustments, capacity scaling (5 kVA – 50 kVA), enclosure modifications, and labeling for different markets.
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Versatile Voltage Support: Primary 220–240V AC, secondary 120–230V AC, adaptable for North America, Europe, Australia, and Asia-Pacific regions.
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Compact & Lightweight: Designed for rooftop PV installations, indoor commercial spaces, and modular microgrid deployments.
Global Supply & B2B Procurement
PowerNex offers worldwide B2B supply for the 25 kVA Dry-Type PV & Energy Storage Transformer:
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Regions Served: USA, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, UK, Germany, France, Spain, Italy, South Africa.
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OEM/ODM Customization: Voltage adjustment, capacity scaling (5 kVA to 50 kVA), enclosure type (NEMA 1 indoor, NEMA 3R outdoor), and labeling for international markets.
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Global Certifications: IEC 60076, CE, UL/cUL, CSA, SGS to ensure quality, compliance, and trust for international B2B procurement.
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Competitive Factory Pricing: Designed for bulk orders, solar developers, EPC contractors, industrial integrators, and microgrid projects.
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Flexible Logistics: Worldwide shipping, packaging for indoor and outdoor transport, and scalable production to meet urgent B2B requirements.
Technical Benefits & Design Highlights
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Dry-Type Construction – Eliminates oil, reduces fire hazards, and provides low-maintenance, environmentally safe performance.
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Three-Phase Balanced Output – Ensures stable, high-quality power for PV inverters, battery storage, and hybrid microgrid systems.
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Wide Voltage Compatibility – Supports a variety of primary and secondary voltages, ensuring compatibility with global PV and energy storage infrastructure.
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Low Thermal Rise – Class H insulation for long-term continuous operation even in harsh industrial or residential environments.
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Compact Modular Design – Suitable for rooftop, indoor commercial, industrial, or remote solar applications.
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OEM/ODM Flexibility – Customization available for voltage, capacity, enclosure, certifications, and branding.
Why PowerNex?
PowerNex is a leading global manufacturer and supplier of dry-type transformers with decades of experience in PV energy storage, industrial, and commercial power systems. Our products are designed to meet global standards, provide B2B procurement efficiency, and deliver high-quality, reliable, and safe transformers to solar developers, EPC contractors, and microgrid integrators worldwide.
With PowerNex, customers benefit from:
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Certified Quality – IEC, CE, UL/cUL, CSA, SGS approved
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Global Reach – Factory supply to over 20 countries and regions
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Customizable Solutions – Tailored voltage, capacity, and design options
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Competitive Pricing – Ideal for large-scale B2B solar and energy storage projects
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Technical Support – Expert guidance for transformer selection, integration, and installation
Voltage & Capacity Flexibility
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Voltage Range: Primary 110V – 400V AC, Secondary 120V – 230V AC
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Capacity Range: 5 kVA – 50 kVA
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Phase: Single-Phase or Three-Phase
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Applications Supported: Residential PV systems, commercial solar arrays, industrial energy storage, hybrid microgrids, and battery storage systems
Conclusion
The PowerNex 25 kVA Dry-Type Photovoltaic & Energy Storage Transformer is the ideal solution for residential, commercial, industrial, and microgrid solar energy storage applications worldwide. With customizable voltage, capacity, and design options, full compliance with global standards, and low-maintenance, oil-free construction, this transformer ensures reliable, efficient, and safe power for distributed solar systems.
PowerNex provides global B2B procurement solutions, competitive pricing, OEM/ODM customization, and certified quality, making it the preferred choice for solar developers, EPC contractors, industrial integrators, and microgrid operators looking for efficient and scalable PV energy storage transformers.
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