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UL Listed 1500 KVA Three Phase Pad Mounted Transformer Low Votage 480V to 240V Fr3 Oil

Three Phase Pad Mounted Transformer
November 26, 2025
Category Connection: Three Phase Pad Mounted Transformer
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#Pad Mounted Transformer #3 phase pad mounted transformer #three phase pad mounted transformer
Brief: Watch the demo to catch practical tips and quick performance insights into our UL Listed 1500 KVA three-phase pad mounted transformer. This video showcases its oil-filled construction, live front electrical design, and how it steps down voltage from 480V to 240V for reliable power distribution.
Related Product Features:
  • This 1500 kVA three-phase transformer is oil-immersed with FR3 fire-retardant ester fluid for enhanced safety.
  • Designed to North American IEEE/ANSI standards with a primary voltage of 480V and secondary voltage of 416Y/240V.
  • Features copper windings and is certified to UL and cUL standards for reliable performance.
  • Includes both dead and live front types of high-voltage terminals with robust BIL ratings.
  • Equipped with a tap changer providing 2.5% full capacity taps above and below nominal voltage.
  • Built with a rigid steel partition and a transformer tank welded from cover to base for durability.
  • Operates at 60 Hz with a 65°C average winding rise and includes an automatic pressure-relief valve.
  • Suitable for outdoor service conditions with radial and loop feed arrangement flexibility.
Faqs:
  • What are the primary and secondary voltage ratings of this transformer?
    This transformer has a primary voltage of 480V and a secondary voltage of 416Y/240V, designed for stepping down voltage in three-phase power systems.
  • Is this pad mounted transformer certified for use in North America?
    Yes, it is UL and cUL certified and designed in accordance with IEEE/ANSI standards, ensuring compliance and reliability for the North American market.
  • What type of insulating liquid does the transformer use and why?
    It uses FR3 fire-retardant ester oil, which provides enhanced fire safety and reliable insulation for the transformer's core and windings.
  • What safety features are included in the design?
    Safety features include a three-point latching low-voltage door, a high-voltage door that only opens after the low-voltage door, an automatic pressure-relief valve, and a rigid steel partition.
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