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2500kva pad mounted transformer 480V oil filled distribution transformers

Three Phase Pad Mounted Transformer
December 18, 2025
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Brief: Step into our short showcase to explore the solution’s standout capabilities. In this video, you'll see a detailed walkthrough of Winley Electric's 2500kVA Pad-Mounted Transformer. We demonstrate its robust oil-immersed construction, explain its advanced isolation technology for clean power delivery, and highlight its UL/cUL certified design for reliable outdoor power distribution.
Related Product Features:
  • Three-phase 2500kVA capacity with 480V to 480Y/277V voltage transformation for industrial power needs.
  • Oil-immersed cooling technology provides superior heat dissipation and extends service life to over 25 years.
  • Advanced isolation design blocks grid harmonics and surges, protecting sensitive equipment like CNC machines and servers.
  • UL/cUL certified construction ensures compliance with IEEE ANSI C57.12.00 standards for safety and reliability.
  • Robust pad-mounted enclosure designed for outdoor service conditions up to 1000 meters sea level.
  • Low noise operation (≤55dB) and reduced maintenance requirements lower total cost of ownership.
  • Aluminum windings and silicon steel core deliver efficient performance with minimal operational losses.
  • Dyn1 vector group configuration provides stable power segmentation between different circuit systems.
Faqs:
  • What are the key safety benefits of the isolation design in this transformer?
    The isolation design creates a complete electrical barrier between input and output circuits, which suppresses grid harmonics and voltage spikes to protect sensitive equipment. It also breaks ground loops during neutral grounding issues, significantly reducing electric shock risks for personnel.
  • How does the oil-immersed cooling system improve transformer performance?
    The oil-immersed cooling uses high-quality transformer oil with superior thermal conductivity to efficiently dissipate heat from core and windings. This reduces operational losses, provides strong overload resistance during peak demands, and contributes to quieter operation and extended service life exceeding 25 years.
  • What standards and certifications does this pad-mounted transformer meet?
    This transformer is UL/cUL certified and manufactured in compliance with IEEE ANSI C57.12.00 standards. It features aluminum windings, mineral oil insulation, and is designed for outdoor service conditions, ensuring reliable performance in demanding industrial environments.
  • What are the dimensional specifications and weight of the 2500kVA model?
    The 2500kVA model measures 2330mm in height, 1650mm in depth, and 3070mm in width, with a total weight of 8865kg (19544 lbs). These compact pad-mounted dimensions make it suitable for space-constrained outdoor installations.
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