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100KVA Single Phase Pole Mounted Transformer

The 100 kVA Single-Phase Pole-Mounted Transformer is a high-efficiency, oil-immersed unit purpose-built for overhead distribution systems. Certified to IEEE C57.12.20, ANSI C57.12, CSA C802.1, IEC, and DOE 2016 standards—and backed by UL/cUL and CESI approvals—this transformer accommodates a broad primary voltage span (2.4 kV through 34.5 kV) and delivers stable 120/240 V, 240/480 V, 277 V, 347 V, or 347/600 V outputs. A five-position off-circuit tap changer (23 645–26 187 V) ensures precise voltage regulation under varying load conditions. Housed in a weather-sealed, dead-front tank painted ANSI 70 gray, its ONAN cooling supports continuous 60 Hz operation with minimal losses (208 W no-load, 753 W load). Designed for rugged outdoor use and global deployment, it’s an ideal solution for utilities and commercial installations.

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Product Accessories

Digital Supervisory Interface: Monitors transformer performance in real time.

Automated Load Tap Adjustment Module: Enables seamless voltage control under varying loads.

Oil Filtration & Condition Assessment Kit: Optimizes oil purity and insulation integrity.

High-Voltage Terminal Block Assembly: Provides secure, customized connectivity.

Dual Thermal & Pressure Sensor Suite: Continuously tracks operational conditions.

Vibration Absorption Isolation Kit: Minimizes mechanical stress for enhanced durability.

Surge Voltage Suppression Unit: Protects against transient overvoltage events.

Advanced Data Logging System: Records operational metrics for performance analysis.

Robust Grounding & Bonding Assembly: Ensures safe, reliable installation.

Comprehensive Installation & Maintenance Guide: Offers detailed support for setup and upkeep.

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Product Specifications

Rated Power

100 kVA

Primary Voltages

2.4 kV; 7.2 kV; 12.47 kV; 13.8 kV; 14.4 kV; 24.94 kV; 27.6 kV; 34.5 kV

Secondary Voltages

120/240 V; 240/480 V; 277 V; 347 V; 347/600 V

Tap Changer Range

23 645–26 187 V (±5 %), five positions

Connection Type

Ii0 (subtractive) or Ii6 (additive)

Frequency

60 Hz

Cooling Method

ONAN

No-Load Loss

208 W

Load Loss

753 W

Impedance

2.93 %

Product Applications

Economy is more affordable

Supports reliable power distribution for railways, metro systems, and airport transit hubs.

Critical Transportation Networks
Supplies consistent, high-quality power for manufacturing and processing plants.

Heavy Industrial Facilities
Seamlessly integrates wind and solar installations into existing grids.

Distributed Renewable Energy Systems
Enhances city grid stability with precise voltage regulation.

Urban High-Voltage Substation Upgrades

Product Advantages

Extensive Voltage Compatibility

Supports a wide array of primary and secondary voltages plus fine-tuning taps for network flexibility.

High Surge Withstand Capability

125 kV/30 kV BIL ratings and pressure-relief protection ensure robust defense against lightning and switching surges.

Streamlined Maintenance

Sealed ONAN cooling, captive-cap valves, and accessible bushings minimize field servicing requirements.

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.