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Low-voltage transformers
General purpose ventilated transformers
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The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.
The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.
General purpose ventilated transformers
Eaton’s types DS-3 (single-phase) and DT-3 (three-phase) general purpose ventilated dry-type transformers are of the two-winding type, self-cooled, and are available in a wide variety of primary and secondary voltage combinations. General purpose transformers are designed, manufactured and tested in accordance with all of the latest applicable ANSI, NEMA and IEEE standards, and are designed for continuous operation at rated kVA.
Voltage class
600V
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 options in aluminum or copper windings
- Available in 150°, 115°, and 80° C temperature rise
- Optional low-sound 3dB and 5dB 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)
Transformers Flex Center custom solutions
U.S. Department of Energy’s 2016 transformer efficiency changes
Discover the impact on inrush current for low-voltage dry-type transformers
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
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500 kVA K-9 DOE 2016 Efficient General Purpose Ventd Transformer PV 480V Delta, 208Y/120, 115C rise, Copper windings, NEMA 1, 55 dB Sound Q
Eaton DOE 2016 Efficient Transformer, 15 kVA K9, Ventd XFMR 3PH 480-208Y/120, 115C rise, Aluminum windings, 42dB Sound
30 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Aluminum, Shielded
75 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Aluminum, Shielded
75 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Copper, Shielded
75 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Aluminum, Shielded, 47 dB Sound
150 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 150 °C rise, Copper, Shielded
75 kVA K9 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 150 °C rise, Copper, Shielded
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 240V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 30 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 45 kVA , Three-phase, 240 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 45 kVA, 240 Vac-480Y/277 Vac, WS58, E0342L, DOE 2016
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 240V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 45 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR942, 60 Hz, 220°C, 75 kVA , Three-phase, 240 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 75 kVA, 240 Vac-480Y/277 Vac, WS59, E0342L, DOE 2016
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 240V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 208V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 30 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 45 kVA , Three-phase, 208 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 45 kVA, 208 Vac-480Y/277 Vac, WS58, E0352B, DOE 2016
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 208V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 45 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR942, 60 Hz, 75 kVA , Three-phase, 208 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 75 kVA, 208 Vac-480Y/277 Vac, WS59, E0342B, DOE 2016, 220°C
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 208V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /2 at -2.5%, SV 600 delta, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
300 kVA DOE 2016 Efficient General Purpose Ventd Transformer 480V Delta, 208Y/120,115C rise, Cu CSA or cUL Q
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 600V, Taps: 2 at +2.5% /2 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 30 kVA, EE
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 600V, Taps: 2 at +2.5% /2 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 45 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR943, 60 Hz, 220°C, 112.5 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 112.5 kVA, 600 Vac-208Y/120 Vac, WS60, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR939, 60 Hz, 220°C, 15 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 15 kVA, 600 Vac-208Y/120 Vac, WS57, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR944, 60 Hz, 220°C, 225 kVA, Electrostatic shield, Floor, Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 225 kVA, 600 Vac-208Y/120 Vac, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 30 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 30 kVA, 600 Vac-208Y/120 Vac, WS58, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 45 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 45 kVA, 600 Vac-208Y/120 Vac, WS58, 280A, DOE 2016
45 kVA DOE 2016 Ventd XFMR 3PH 600-208Y/120, 150 °C rise, Copper, Shielded
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR943, 60 Hz, 220°C, 49 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 49 kVA, 600 Vac-208Y/120 Vac, WS60, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR942, 60 Hz, 220°C, 75 kVA , Three-phase, 600 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 75 kVA, 600 Vac-208Y/120 Vac, WS59, 280A, DOE 2016
Eaton General purpose ventilated transformer, CSA ventilated, DT-3 (3-phase), PV 600V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 45 kVA , Three-phase, 600 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 45 kVA, 600 Vac-480Y/277 Vac, WS58, 280A, DOE 2016
Eaton General purpose ventilated transformer, Aluminum windings, NEMA 2, FR942, 60 Hz, 220°C, 75 kVA , Three-phase, 600 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 75 kVA, 600 Vac-480Y/277 Vac, WS59, 280A, DOE 2016
45 kVA K20 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 150 °C rise, Copper, Shielded
75 kVA K20 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 150 °C rise, Copper, Shielded
15 kVA K4 DOE 2016 Ventd XFMR 3PH 208-208Y/120, 80 °C rise, Copper, Shielded
500 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer PV 480V Delta, 208Y/120, 80C rise, Copper windings, NEMA 1, Q
500 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer PV 480V Delta, 208Y/120, 150C rise, Copper windings, NEMA 1, Q
225 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer 480V Delta, 208Y/120,115C rise, Cu Shielded Q
DOE 2016 Efficient Transformer, Three-phase, K-factor 4, : 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 115°C, 300 kVA, Al windings, FR945, 283B, 52 dB Sound
300 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer 480V Delta, 208Y/120,115C rise, Cu Shielded Q
45 kVA K4 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Copper, Shielded
75 kVA K4 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 115 °C rise, Copper, Shielded
45 kVA K4 DOE 2016 Ventd XFMR 3PH 480-208Y/120, 150 °C rise, Copper, Shielded
500 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer PV 480V Delta, 208Y/120, 150C rise, Aluminum windings, NEMA 1, design Q
45 kVA K4 DOE 2016 Ventd XFMR 3PH 480-480Y/277, 115 °C rise, Copper, Shielded
45 kVA K4 DOE 2016 Ventd XFMR 3PH 480-480Y/277, 115 °C rise, Aluminum, Shielded
Eaton DOE 2016 Efficient Transformer, 45 kVA K4, Ventd XFMR 3PH 480-416Y/240, 115C rise, Aluminum windings, 52dB Sound, With Certified Production Test Report
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 240V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 45 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 208V, Taps: 1 at +5%/2 at -5%, SV 480Y/277V, 115°C rise, 300 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 440V, Taps: 2 at +2.5% /4 at -2.5%, SV 220 deltaV, 115°C rise, 112.5 kVA, Copper windings, EE
Marine Duty Transformer, Three-phase, PV: 450V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 9 kVA, Cu windings, Frame: 912B, uses WS38
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 112.5 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 15 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 22.5 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 25 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 30 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 37.5 kVA, Copper windings, EE
Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 45 kVA, Copper windings, EE
Download Links
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This document provides an overview of Eaton's low-voltage dry-type distribution transformers.(PDF 1 MB, 3/31/2017)
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This catalog contains product details and ordering information for Eaton’s low-voltage dry-type transformers.(PDF 1 MB, 2/28/2018)
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This design guide provides dimensions, layout examples, technical specifications and application information for low-voltage dry-type harsh environment transformers. The information in this document supersedes section 19 of the Consulting Application Guide (CAG).(PDF 845 KB, 2/13/2020)
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This document highlights how Eaton's low-voltage dry-type distribution transformers meet DOE 2016 regulations.(PDF 115 KB, 8/31/2016)
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This document contains operation and maintenance instructions for low-voltage dry-type distribution transformers.(PDF 827 KB, 5/31/2018)
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Best practices for the installation and inspection of dry-type distribution and power transformers(PDF 550 KB, 5/2/2019)
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This white paper discusses the DOE 2016 energy efficiency impact on inrush current for low-voltage dry-type-transformers.(PDF 2 MB, 4/30/2016)
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- General purpose ventilated transformers
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