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37.5KVA Single Phase Pole Mounted Transformer

Our 37.5 kVA Single Phase Pole Mounted Transformer is a compact, oil-filled unit engineered for overhead distribution in utility, residential, and commercial networks. Compliant with IEEE C57.12.20, ANSI C57.12, DOE 2016, CSA C2.1/C2.2, and CSA C802.1 standards, it delivers up to 37.5 kVA at full load with natural ONAN cooling. The transformer supports a wide primary voltage range (2.4–34.5 kV) with off-circuit taps spanning ±2×2.5 % of nominal, and secondary voltages from 120/240 V up to 347/600 V. Rugged BIL ratings (30–150 kV) and a choice of additive or subtractive polarity ensure seamless integration into any pole-mount scheme. Finished in ANSI 70 Seafoam Green, its sealed, corrosion-resistant tank blends discreetly into streetscapes while safeguarding internal components.

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Product Accessories

Bayonet & ELSP Fuses: Dual-fuse fault isolation under cover-mounted holders

Pressure Relief Device: Automatic venting to prevent overpressure damage

Magnetic Oil Level Gauge: Provides visible tank fill status with low-oil alarm contacts

Lifting Lugs & Hanger Brackets: Secure eyelets and ANSI-compliant support lugs for safe handling

Tap Changer Handle & Off-Circuit Switch: External driver for ±2×2.5 % voltage adjustment

High-Voltage Porcelain Bushing: Cover-mounted bushings with dust caps and arrester pads

Low-Voltage Bushing Assembly: Seven-hole patterns for 120/240 or 240/480 V terminations

Drip Tray & Drain Valve: Simplifies oil sampling and maintenance without mess

Nameplate & Equipotential Device: Laser-etched identification and bonding provisions

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Product Specifications

Power Rating

37.5 kVA

Primary Voltages

2.4–34.5 kV (selectable taps)

Secondary Voltages

120/240 V; 240/480 V; 347/600 V

Cooling Method

ONAN (Oil Natural Air Natural)

Tap Range

±2×2.5 % (off-circuit)

Connection Type

Ii0 or Ii6 (Delta/Wye)

BIL Rating

30–150 kV

Standards Compliance

IEEE C57.12.20, ANSI C57.12, DOE 2016, CSA

Insulation Fluid

Mineral Oil (ambient −40 °C to +40 °C)

Efficiency

≥ 98.9 % (meets/exceeds DOE 2016)

Product Applications

Economy is more affordable

Invisible integration into residential streets for reliable home power.

Neighborhood Overhead Distribution
Step-down power for strip malls, schools, and small business campuses.

Light Commercial Sites
Durable performance in remote pole-mount installations, minimizing maintenance trips.

Rural Utilities
Quick deployment for construction, festivals, and outdoor gatherings requiring short-term service.

Temporary Power Events

Product Advantages

Wide Voltage Flexibility

Multiple primary taps and secondary configurations adapt to diverse utility standards.

Proven Safety & Efficiency

Dual-fuse protection, pressure relief, and DOE-rated efficiency reduce downtime and losses.

Robust Outdoor Durability

ANSI 70 finish, sealed tank, and high BIL insulation ensure long-term reliability in harsh environments.

WellDone Power Transformer Plan Drawing

FAQ

What range of transformer products do you offer and which standards do they meet?

We manufacture a diverse array of transformers including Oil-Immersed Distribution Transformers, Dry Type Transformers, Power Transformers, Three Phase Pad Mounted Transformers, Single Phase Pad Mounted Transformers, Substation Transformers, and Pole Mounted Transformers. Our technical team, with nearly 20 years of industry experience, ensures that our designs comply with international standards such as ANSI, IEEE, DOE, CSA, AS, AZS, GOST, IEC, and more. Additionally, many of our products have obtained UL, cUL, and CSA certifications, affirming their safety and performance in global markets.
How do you ensure the quality and reliability of your transformers?

Our transformers are produced under a rigorous quality management system covering every stage from material selection to final testing. Each product comes with a minimum 24-month warranty, ensuring long-term safety and reliability. This commitment to quality has earned the trust of global customers and leading industry players.
What are your production lead times, customization options, and global market reach?

For standard models, our production lead time is typically 10 to 25 days, and we offer flexible OEM/ODM services for customized projects. We also tailor packaging solutions to meet specific customer requirements. Our transformers are exported worldwide—including North America, Europe, South America, Australia, Asia, and Africa—with successful partnerships involving renowned companies. For more details or personalized support, please contact us via email or WhatsApp.