Pole Mount Transformer
Single Phase Pole Mount Transformer
Unitrans Power LLP offers a complete line of liquid-filled single-phase pole mount distribution transformers designed and manufactured to meet or exceed NEMA, ANSI, IEEE, CSA, and DOE standards. Engineered for reliability, safety, and efficiency, our single-phase pole mount transformers provide dependable power distribution for utility networks, residential areas, and light commercial applications.
With capacities up to 250 kVA and voltage classes up to 34.5 kV (150 kV BIL), these transformers are built with premium materials and advanced engineering to ensure long-lasting performance in outdoor, elevated pole-mounted installations.
Unitrans Power LLP continues to deliver engineered excellence in pole mount transformer solutions, combining durability, safety, and efficiency to ensure reliable power distribution in utility networks worldwide.
Design & Construction Features
- Robust Tank Construction with Weatherproof Sealing
- Hermetically Sealed or Conservator Type Options
- High-Grade Core Steel for Low Losses
- UL Compliance
- NEMA Sound Level Conformance
Accessory Options
- DETC (De-Energized Tap Changer) on HV Side
- Pressure Relief Device
- Liquid Level Gauge
- Drain & Filter Valve
- Bayonet-Type Fuses (Optional)
- Secondary Bushing with Grounding Provisions
Testing
All transformers undergo standard commercial tests in accordance with
IEC, IS, CSA, ANSI, and IEEE standards.
- Factory Acceptance Tests (FAT) – available virtual or in-person
- Additional tests available upon request
Technical Specifications
| Parameter | Details |
| Capacity | Up to 250 kVA |
| Frequency | 50 Hz or 60 Hz |
| Cooling Class | ONAN |
| Temperature Rise | 65°C, 55/65°C |
| Insulating Fluid | Mineral Oil, FR3, or Ester Oil |
| High Voltage Range | Up to 34.5 kV (150 kV BIL) |
| Low Voltage Range | 120/240 V |
| Winding Material | Aluminium or Copper |