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25kVA 4160Y/2400V Pole-Mounted Transformer for Oil Field Distribution
| Brand Name: | WINLEY |
| Model Number: | D11-25/4.16/0.12-0.24 |
| MOQ: | 1unit |
| Price: | $1000-$100000 |
| Packaging Details: | Plywood case |
| Payment Terms: | T/T |
Engineered for single-phase overhead distribution in oil field applications, this 25kVA transformer steps down a 2400/4160GrdY primary supply to 120/240V secondary power. The unit features a 304L stainless steel tank and housing, bio-fluid insulating liquid, and KNAN self-cooling for harsh outdoor installations where corrosion resistance is required.
| Specification | Data | Specification | Data |
|---|---|---|---|
| Model | D11-25/4.16/0.12-0.24 | Rated Capacity | 25kVA |
| Phase | Single Phase | Frequency | 60Hz |
| Primary System | 2400/4160GrdY | Secondary Voltage | 120/240V (L-N-L) |
| Primary BIL | 60kV | Secondary BIL | 30kV |
| Temperature Rise | 65°C | Cooling | KNAN, Self-Cooled |
| Specification | Data | Specification | Data |
|---|---|---|---|
| Dimensions | 22in × 25in × 37.6in | Weight | 595lb |
| Ambient Temperature Rating | 40°C | Elevation | ≤3300ft (1000m) |
| Sound Level | 48dBA | Mounting | Pole Mount via Hanger Bracket |
| Test | C1 | C2 | C3 |
|---|---|---|---|
| No-Load Loss | 60.8W | 62.4W | 64.1W |
| No-Load Current | 0.31% | 0.29% | 0.29% |
| Load Loss @85°C | 289.0W | 291.4W | 293.4W |
| Impedance @85°C | 1.88% | 1.89% | 1.91% |
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Oil Field Power Distribution
Tailored for wellsite power systems, pumping units, operational camps, and pipeline monitoring stations connected to 4.16kV grounded-wye grids.
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4.16kV Grounded-Wye Single-Phase Taps
Ideal for pole-top installations tapped between a 2400V phase conductor and system ground in utility or industrial networks.
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Severe Marine & Industrial Corrosive Environments
304L stainless-steel tank and housing, a corrosion-resistant cover band, and weather-resistant exterior coating address projects where outdoor corrosion protection is specified.
- 304L Stainless Steel Tank & Housing: Helps protect the exterior structure where corrosion resistance is required for long-term outdoor installation.
- Corrosion-Resistant Removable Cover Band: Allows the top cover to be removed while keeping the exposed fastening structure suited to outdoor use.
- Weatherproof & UV-Resistant Epoxy Exterior: Helps protect the tank from rain, sunlight and continuous outdoor exposure.
- Five-Position Tap Changer: Provides five primary voltage positions from 2280V to 2520V when voltage adjustment is required.
- Single 5kV Porcelain Primary Bushing: Provides the H1 connection used by the grounded single-phase primary arrangement.
- X1/X2/X3 Threaded Secondary Studs: Provides the three-terminal arrangement used for 120/240V secondary service.
- Automatic Pressure Relief Device: Automatically releases excess internal pressure when required.
- Pole Hanger Bracket & Lifting Lugs: Provides the required hardware for pole mounting and transformer lifting.
| Rated Capacity (kVA) | High Voltage (kV) | No Load Loss (W) | On Load Loss (W) | Height (mm) | Depth (mm) | Width (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 15kVA |
34.5/19.92 13.8/7.96 13.2/7.6 12.47/7.2 or others |
50 | 195 | 840 | 740 | 610 | 294 |
| 25kVA | 80 | 290 | 840 | 740 | 610 | 362 | |
| 37.5kVA | 106 | 360 | 840 | 760 | 610 | 476 | |
| 50kVA | 135 | 500 | 840 | 810 | 610 | 553 | |
| 75kVA | 190 | 650 | 840 | 860 | 610 | 672 | |
| 100kVA | 280 | 1010 | 910 | 1200 | 965 | 714 | |
| 167kVA | 435 | 1530 | 1000 | 1200 | 965 | 913 | |
| 250kVA | 550 | 2230 | 1250 | 1300 | 1430 | 1106 |
- UL and cUL Listed Product Range
Our pole-mounted distribution transformer range from 10kVA to 500kVA is UL and cUL Listed under File No. E543292. Products are designed to meet or exceed applicable ANSI/IEEE, CSA, DOE 2016, and IEC 60076 requirements.
- Flexible Project Customization
Each transformer can be configured around project-specific voltage, capacity, protection, connection, and installation requirements. Customer-specified accessory brands, including Eaton Cooper Power series and Qualitrol, are also available upon request.
- Global Supply and Technical Support
With products supplied across North America, South America, and Southeast Asia, Winley Electric combines decades of transformer experience with responsive technical support. From specification review to final delivery, we provide safe, reliable, and efficient transformer solutions for utility and industrial projects.
A: Winley delivers standard pole-mounted distribution transformers within 30 days after technical approval. We provide a detailed production schedule and real-time manufacturing photos to help track progress.
A: We offer a flexible MOQ of just 1 unit. Complete inquiries are quoted within 1–2 days with 24/7 support, we ensure highly cost-effective and reliable solutions.
A: Yes. We accept OEM and ODM. Winley pole-mounted distribution transformers are available in standard ratings from 15-333 kVA (and maximum capability up to 500kVA), with HV systems up to 34.5 kV. According to customer drawings, we can customize secondary voltage, conventional or CSP design, copper or aluminum windings, low-carbon steel or stainless-steel tanks, tap changers, surge arresters, secondary circuit breakers, meter sockets and custom colors. We also integrate components from brands such as Qualitrol and Eaton Cooper.
A: Yes. Our full range of products are UL/cUL-certified under UL File No. E543292, designed strictly in compliance with ANSI/IEEE, CSA, DOE, NEMA and IEC 60076 to meet grid connection and regulatory standards.
A: We deliver a complete compliance package: approval drawings, datasheets, nameplate drawings, routine test reports, UL/cUL certs, DOE 2016 docs and accessory manuals. We also back your project with lifetime documentation support.
A: Winley ensures quality through 4 annual unannounced UL audits and strict ISO 9001 process management with dedicated QC oversight. Prior to delivery, every unit undergoes comprehensive routine testing, including Winding Resistance, Turns Ratio, Polarity and Phase Relation, and No-Load Loss and Excitation Current tests. We also fully support Factory Acceptance Testing (FAT) and third-party inspections (SGS).
A: 24 months from the B/L date, with extended warranty options available for up to 5 years. During the warranty period, If there are any accessory problems, just provide photos of damaged accessory, then we will provide free service. According to the number of products, we will provide easily damaged accessories for free. We can also provide technical support if you need.
A: Yes. Winley matches existing nameplates, utility specifications, mounting dimensions and protection configurations for replacement projects.
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