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Low-voltage transformers
Totally Enclosed Non-Ventilated transformers
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Totally Enclosed Non-Ventilated transformers

Totally enclosed non-ventilated transformers are highly suited for applications where the atmosphere contains conductive, corrosive, or combustible materials which might damage a transformer, or lint and dust which might block the ventilation passages. With no openings in the enclosure, heat is dissipated by radiating from the surface area of the enclosure.
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Voltage class
600V
Ratings
Single-phase 15 - 167 kVA Three-phase 15 - 1000 kVA
Winding conductor
Aluminum or copper

Core features

  • Totally enclosed non-ventilated transformers are specifically excluded from the scope of U.S. DOE energy efficiency requirements
  • Standard NEMA 3R enclosure; optional 3RX, 4, 4X, and 12 (X suffix enclosures ratings made of stainless steel)
  • Includes  copper or aluminum windings
  • Available in 80°, 115° and 150° C rise designs
  • Provides versatility for indoor/outdoor applications
  • Transformers include a versatile bonding/grounding bar affixed to the bottom panel as standard, to provide compliance with NEC 450.10(A)

View consulting application guide

Download Guide specification (16461)

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Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 100,000 employees and sells products to customers in more than 175 countries.
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