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Product Specification
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The Three-Phase Pad Mounted Transformer (Box-Type Transformer) is a compact, fully enclosed, and weather-resistant power distribution solution designed for safe outdoor installation in residential communities, commercial complexes, renewable energy plants, and utility distribution networks.
Engineered by Hentg Power, this transformer integrates high-efficiency core technology, advanced insulation systems, and robust weatherproof enclosures to ensure stable voltage transformation, low loss operation, and long-term reliability under harsh environmental conditions.
It is widely used in North America, Southeast Asia, the Middle East, coastal regions, and industrial parks, where safety, compact footprint, and maintenance-free operation are critical requirements.
| Item | Description |
|---|---|
| Product Type | Three-Phase Pad Mounted Distribution Transformer |
| Rated Capacity | 500kVA – 2500kVA (customizable) |
| Primary Voltage | 6kV / 10kV / 11kV / 13.8kV / 34.5kV |
| Secondary Voltage | 0.4kV / 0.415kV / 0.48kV / 0.69kV |
| Frequency | 50Hz / 60Hz |
| Phase | Three Phase |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Class A / Class F / Class H (custom) |
| Impedance | 4% – 8% (customizable) |
| Core Material | Grain-oriented silicon steel |
| Winding Material | Copper / Aluminum (optional) |
| Tank Material | High-strength steel with anti-corrosion coating |
| Protection Class | IP54 / IP55 / IP65 |
| Temperature Rise | ≤ 60K / 65K |
| Vector Group | Dyn11 / Yyn0 / customized |
| Standards | IEC 60076 / ANSI / IEEE compliant |
| Accessories | Pressure relief valve, oil level indicator, thermometer, bushings, surge arrester optional |
| Installation Type | Ground-mounted outdoor pad installation |
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In coastal countries such as Indonesia, Philippines, Malaysia, Middle East coastal cities, and Caribbean regions, transformers face:
1. Anti-Corrosion Enclosure System
2. Moisture-Proof Insulation Design
3. Enhanced IP Protection Structure
4. Tropical Climate Optimization
5. Storm & Flood Resistance Design (Optional Upgrade)
Q1: Can this pad mounted transformer operate in extremely high-temperature environments?
Yes. It is designed for ambient temperatures up to 55°C with enhanced cooling and thermal-resistant insulation systems suitable for Middle East and tropical regions.
Q2: What is the difference between pad mounted transformer and traditional substation transformer?
Pad mounted transformers are compact, fully enclosed units installed at ground level, eliminating the need for large substations and reducing civil construction cost.
Q3: Can you provide customized voltage ratings for EPC projects?
Yes. We support full OEM customization including 6kV, 10kV, 11kV, 13.8kV, 33kV primary and different LV outputs based on project requirements.
Q4: Is the transformer suitable for coastal and island installations?
Yes. We provide anti-corrosion coating, stainless steel enclosure options, and humidity-proof insulation for coastal and marine environments.
Q5: What standards does your transformer comply with?
Our pad mounted transformers comply with IEC 60076, ANSI, IEEE standards depending on project requirements.
Q6: What is the expected service life?
Under proper installation, the service life is typically 25–30 years with low maintenance requirements.
Hentg Power is a professional transformer manufacturer specializing in custom-engineered power distribution solutions for global energy infrastructure projects.
We focus on the design, production, and export of:
With advanced manufacturing facilities, strict IEC-based quality control systems, and strong engineering customization capability, we provide reliable transformer solutions for utilities, EPC contractors, renewable energy projects, industrial plants, and infrastructure developers worldwide.
Our products are widely exported to Southeast Asia, Africa, the Middle East, South America, and North America, serving critical applications such as:
At Hentg Power, we are committed to delivering high efficiency, long service life, and project-level customized transformer solutions that meet global energy demands.
Contact Hentg Power today for customized pad mounted transformer solutions tailored to your power distribution project.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification:
Verified Supplier
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