25kva Single Phase Pad Mounted Transformer Oil-immersed Distribution Transformer UL Listed

Einphasen-Pad-montierte Transformator
December 09, 2025
Memorandum: Let’s dive in — see this solution in action and notice the key moments. In this video, we showcase the WINLEY Electric 25kva Single Phase Pad Mounted Transformer, demonstrating its UL-listed, oil-immersed design. You'll get a detailed walkthrough of its construction, standard features, and how it efficiently steps down voltage from 12.47kV to 120V for reliable distribution.
Zugehörige Produktmerkmale:
  • UL/cUL certified single-phase transformer with a capacity of 25kva, stepping down voltage from 12.47kV to 120/240V.
  • Engineered with a mineral oil-filled, self-cooled (ONAN) design for efficient heat dissipation and lower operating costs.
  • Constructed with a grain-oriented silicon steel core and copper windings for high efficiency and dependable performance.
  • Meets or exceeds stringent standards including DOE 2016, IEEE, ANSI, CSA, IEC, and NEMA for quality assurance.
  • Features primary 200A dead front wells & inserts and secondary 4-hole spade connections for secure and reliable installation.
  • Equipped with standard safety features including a pressure relief valve and bayonet fusing for operational protection.
  • Designed with environmental sustainability in mind, offering reduced heat output and high energy efficiency.
  • Compact dimensions of 33.7'' W x 37.9'' D x 25.2'' H, making it suitable for a broad spectrum of pad-mounted applications.
FAQs:
  • What certifications does this 25kva pad-mounted transformer hold?
    This transformer is UL/cUL certified and is designed to meet or exceed multiple standards including DOE 2016, IEEE, ANSI, CSA, IEC, and NEMA, ensuring high performance and regulatory compliance.
  • What are the primary and secondary voltage ratings?
    The primary voltage is 12470GrdY/7200 (12.47kV), and the secondary voltage is 120/240V (L-N-L), making it suitable for standard single-phase distribution applications.
  • What are the key features of its construction and cooling system?
    It features a mineral oil-filled, self-cooled (ONAN) design with a grain-oriented silicon steel core and copper windings, ensuring efficient operation, reduced heat output, and long-term reliability.
  • What is the delivery capacity and lead time for this transformer?
    WINLEY Electric has a monthly delivery capacity of over 800 units and can achieve fast delivery within 4 weeks to meet urgent project timelines.