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Low-voltage transformers

General purpose ventilated transformers

Eaton types DS-3 (single-phase) and DT-3 (three-phase) general purpose ventilated dry-type transformers are two-winding, self-cooled, and available in a wide variety of primary and secondary voltage combinations. General purpose transformers are designed for continuous operation at rated kVA. They are designed, manufactured and tested in accordance with all of the latest applicable ANSI, NEMA and IEEE standards.
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Voltage class
600 V
Ratings
Single-phase 7.5-333 kVA Three-phase 7.5-1500 kVA
Winding conductor
Aluminum or copper

Core features

  • Includes transformers with DOE 2016 and NEMA TP-1 efficiency requirements, and transformers with other efficiency requirements
  • Ventilated dry-type distribution transformers provide options in aluminum or copper windings
  • Available in 150 °C, 115 °C, and 80 °C temperature rise
  • Optional low-sound 3 dB and 5 dB below NEMA ST-20 standard
  • Available in 60 and 50 Hz
  • NEMA 2 standard enclosures, NEMA 3R with field-installed weathershields
  • Transformers include a versatile bonding/grounding bar affixed to the bottom panel as standard, to provide compliance with NEC 450.10(A)

View design guide (layouts, technical data and application information)

Download guide spec (26 22 13)

View transformer distribution catalog

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Important aspects of dry-type distribution transformers

Explore best practices for the installation and inspection of dry-type distribution and power transformers

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Specifications

View design guide (layouts, technical data and application information)

Download guide spec (26 22 13)

View transformer distribution catalog

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  • Transformer distribution catalog
    Volume 2, Tab 2 - This catalog contains product details and ordering information for Eaton’s low-voltage dry-type transformers.
    (PDF 3 MB , 18/12/2024)
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