Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 KVA 100 KVA 250 KVA
Product Specifications
| Attribute | Value |
| Frequency | 50Hz, 60Hz |
| Phase | Single Phase |
| Application | Distribution System |
| Coil Structure | Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil |
| Output Voltage | 110V, 220V, 380V, 400V, 440V, 480V |
| Input Voltage | 6.6kV, 6.3kV, 6kV, 10.5kV, 10kV, 35kV |
| Type | Oil-Immersed Transformer, Single Phase Pad Mounted Transformer |
| Rated Capacity | 10kVA -500kVA |
| Vector Group | Dyn11 / Yyn0 |
| Low Voltage | 110-240/240-480/600-690V |
| Warranty | 3 years |
| Standard | DOE/IEC60076/IEEE/ANSI |
| Mounting Type | Pole Mounted |
| Winding Material | Copper |
| Protection Level | IP65 |
| Efficiency | 98% |
| Enclosure Material | Steel |
| Insulation Class | Class H |
| Certifications | UL Listed, CSA Certified |
Product Overview
HENTG Power Single Phase Oil Immersed Transformer is a high-efficiency step-down transformer available in 25 KVA, 100 KVA, and 250 KVA configurations.
Key Features
- High efficiency design minimizes energy consumption and reduces electricity costs
- Durable construction using premium materials for long-term, maintenance-free operation
- Built-in overload protection ensures safe and reliable performance
This transformer is specifically designed for outdoor environments with excellent weather resistance and corrosion protection. Ideal for both residential and small commercial applications, it delivers stable power supply while optimizing energy efficiency.
Technical Performance Data
| Rated Capacity (KVA) | HV | Tapping Range | LV | No-load Loss (W) | Load Loss (W) | Dimension (mm) | Efficiency |
| 15 | 2400-34500 | ±2*2.5% | 110-690 | 60-150 | 330-1150 | 520-795 | 98.8 |
| 25 | | | | | | | 99.0 |
| 37.5 | | | | | | | 99.1 |
| 50 | | | | | | | 99.1 |
| 75 | | | | | | | 99.2 |
| 100 | | | | | | | 99.3 |
| 167 | | | | | | | 99.3 |
| 250 | | | | | | | 99.4 |
| 333 | | | | | | | 99.4 |
| 500 | | | | | | | 99.5 |
Advantages in Distributed Power Distribution Networks
- Reduced Line Losses: Installed close to the load, these transformers shorten the low-voltage supply radius, reducing low-voltage line losses by over 99%
- Energy Efficient Design: Features high-efficiency wound core design for improved electrical performance and energy savings
- Space-Saving Installation: Pole-mounted suspension installation requires no ground space, ideal for rural and suburban areas
- Cost Effective: Lower capital investment compared to traditional transformer systems
- Reliable Operation: Fully enclosed structure provides excellent protection against dust and moisture with strong overload capacity
Detailed Technical Specifications
Core Structure:
- Electromagnetic System: Silicon Steel Laminated Core, Copper/Aluminum Winding (H-Class Insulation)
- Protection System: IP55 Protection Grade Oil Tank, with Pressure Relief Valve and Oil Level Gauge
Electrical Parameters:
| Item | Typical Value |
| Rated Capacity | 10kVA/25kVA/50kVA |
| No-load Loss | ≤45W (25kVA Example) |
| Impedance Voltage | 4%±10% |
Special Design Features:
- Fully Sealed Structure for Anti-Oxidation
- Axial Heat Sink for Enhanced Convection
- Anti-Theft Mechanical Locks
