Reliable single-phase oil-immersed distribution transformers engineered for overhead pole-mounted installation. Fully compliant with the ANSI/IEEE C57.12 series standards, they are suitable for suburban and rural power distribution networks, with rated capacities ranging from 15 kVA to 500 kVA.
Customize from Our Standard Product Line
If you spot a near-match in our catalog, we can quickly modify our standard transformers for your application. Adjustments cover capacity, voltage class, cooling type and installation structure.
Build per Your Technical Documents
Send us your specifications or drawings. Our engineering team reviews the design, validates all key parameters with you, and manufactures strictly in accordance with international standards.
Full Custom Design from Concept to Completion
Without formal detailed specs? Share your ideas and functional requirements. We partner with you to develop fully customized transformer solutions, from electrical design and structural layout through to insulation system.
Designed for areas with low load density, long supply radii, and low power consumption. Also ideal for single-phase-load scenarios like residential lighting, small commercial use, and street lighting
Bardeen presents the single-phase distribution transformer designed to meet the evolving demands of modern power systems and grid modernization initiatives. As utilities, installers, and renewable energy project developers pursue resilient, efficient, and adaptable solutions, bardeen’s single-phase distribution transformer delivers a compact, reliable, and technically advanced option. This single-phase distribution transformer is engineered for widespread deployment in residential neighborhoods, rural electrification, commercial sites, and distributed energy projects
The single-phase distribution transformer from bardeen combines proven construction with materials and processes optimized for performance. The core is manufactured from high-grade silicon steel, arranged to minimize core losses and noise while enhancing magnetic coupling. The windings are designed for reduced copper losses and optimal thermal performance, allowing the single-phase distribution transformer to operate efficiently under sustained load. With robust insulation systems and conservative thermal margins, the single-phase distribution transformer achieves long operational life and reduced maintenance intervals. Bardeen’s manufacturing processes ensure tight tolerances and superior vacuum impregnation, resulting in improved dielectric strength and moisture resistance for the single-phase distribution transformer
Bardeen’s single-phase distribution transformer is suitable for a range of applications. It is ideal for single-phase service drops in residential subdivisions, rural and agricultural electrification projects, and small commercial loads. The single-phase distribution transformer is also tailor-made for integration into distributed generation sites and Microgrids where single-phase loads and local management are required. In energy storage integration projects, the single-phase distribution transformer supports battery inverter systems and small-scale energy storage installations
Modern power systems increasingly rely on energy storage integration and sophisticated control to balance variable renewable generation. Bardeen’s single-phase distribution transformer is engineered to be compatible with energy storage integration, facilitating reliable coupling between battery systems and the local distribution network. Its low-loss characteristics and predictable thermal behavior help maintain performance when paired with bi-directional inverters and dynamic power flows, ensuring that the single-phase distribution transformer can withstand the operational stresses of frequent cycling associated with energy storage integration while driving grid modernization
Bardeen applies a combination of materials science and practical engineering to enhance the single-phase distribution transformer as a smart grid-ready transformer. The transformer employs optimized core stacking methods and edge treatments to reduce both no-load losses and audible noise. Advanced conductor configurations reduce stray losses while improving short-circuit withstand capability. By using improved insulation materials and enhanced impregnation techniques, the single-phase distribution transformer demonstrates superior electrical endurance and moisture tolerance for grid modernization strategies
Efficiency is central to bardeen’s single-phase distribution transformer design. The transformer delivers low no-load and load losses, contributing to reduced energy waste across distribution networks. Careful thermal design and cooling strategies promote stable operation at rated loads and during overload conditions. The single-phase distribution transformer’s low impedance options support voltage regulation across long service drops, reducing the need for supplementary voltage control devices in grid modernization programs
| Rated Capacity - kVA | High Voltage - kV | Low Voltage - V | Efficiency (%) DOE2016 | Efficiency (%) NEMA TP1 | Dimension W*D*H - inch | Weight - lbs |
| 5 | 34.5kV/19.92kV 13.8kV/7.9kV 13.2kV/7.6kV 12.47kV/7.2kV 4.16kV/2.4kV or others |
120/240 240/480 347/600 or others |
98.58 | 98.47 | 28*20*26 | 220 |
| 10 | 98.70 | 98.60 | 28*20*26 | 220 | ||
| 15 | 98.82 | 98.73 | 28*20*30 | 280 | ||
| 25 | 98.95 | 98.87 | 30*22*31 | 350 | ||
| 37.5 | 99.05 | 98.97 | 31*24*33 | 450 | ||
| 50 | 99.11 | 99.04 | 33*25*36 | 600 | ||
| 75 | 99.19 | 99.13 | 33*28*39 | 820 | ||
| 100 | 99.25 | 99.19 | 33*31*40 | 1100 | ||
| 167 | 99.33 | 99.28 | 35*37*47 | 1400 |

| Product Type | Pole Mounted Transformer |
| Rated Capacity | 5kVA‑167kVA |
| Voltage Class | Low‑voltage distribution - single‑phase |
| Rated Frequency | 50Hz/60Hz |
| Number of Phases | Single‑phase - subject to product configuration |
| Cooling Method | Subject to product type confirmation |
| Installation Method | Outdoor or indoor installation |
| Applicable Standards | IEC 60076 / GB 1094 |

Specialized handling for Over‑Out‑of‑Gauge (OOG) cargo. We manage the entire process for heavy transformers, from custom crating and vacuum packaging to flat‑rack, break‑bulk, or Ro‑Ro shipping.
Expert handling of complex export/import documentation, HS codes, and destination country regulations. We ensure smooth customs clearance to avoid costly delays.
24/7 GPS tracking and milestone updates. Comprehensive cargo insurance covering all risks from origin warehouse to destination site.
Prioritized air freight and expedited sea options for critical breakdowns. We minimize downtime by getting your replacement transformer or parts there faster.
We analyze the dimensions, weight, and route to design the optimal transport plan.
Seaworthy packing
Execution of sea/air/land transport with strict handling protocols.
Reliable single-phase oil-immersed distribution transformers engineered for overhead pole-mounted installation. Fully compliant with the ANSI/IEEE C57.12 series standards, they are suitable for suburban and rural power distribution networks, with rated capacities ranging from 15 kVA to 500 kVA.
Customize from Our Standard Product Line
If you spot a near-match in our catalog, we can quickly modify our standard transformers for your application. Adjustments cover capacity, voltage class, cooling type and installation structure.
Build per Your Technical Documents
Send us your specifications or drawings. Our engineering team reviews the design, validates all key parameters with you, and manufactures strictly in accordance with international standards.
Full Custom Design from Concept to Completion
Without formal detailed specs? Share your ideas and functional requirements. We partner with you to develop fully customized transformer solutions, from electrical design and structural layout through to insulation system.