Eaton N39M28T3016CU Transformer - K-Factor 13 DOE 2016
Part Number: N39M28T3016CU
Quick Summary
Eaton K-Factor nonlinear ventilated transformer provides efficient, three-phase power for indoor distribution in demanding industrial environments. This model helps facilities reduce energy waste and heat under non-linear loading conditions typical of modern equipment. It aligns with DOE 2016 efficiency targets and uses copper windings in a rugged NEMA 2 enclosure, suitable for floor or wall mounting. With electrostatic shield, K-Factor 13 performance, and flexible tap options, it supports compliant, cost-effective power distribution in control panels and plant electrical rooms. Industry teams benefit from reliable operation, easier maintenance, and improved overall equipment effectiveness.
Product Information
Extended Description
N39M28T3016CU Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, 60 Hz, 220°C, 30 kVA , Three-phase, 400 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 30 kVA, 400 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N39M28T3016CU
UPC
786680195990
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
1.1 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
Contact Manufacturer
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Insulation
220 °C
Material
Copper
Mounting
Floor or wall
Tap size
2 at +2.5%, 4 at -2.5%
Frequency rating
60 Hz
Kva Rating
30 kVA
Volt ampere rating
30 kVA
Phase
Three-phase
Primary voltage
400 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Voltage rating
400-208Y/120V
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Eaton's high-efficiency dry-type transformers
Eaton's high-efficiency dry-type transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N39M28T3016CU
Feature: K-Factor nonlinear ventilated design improves harmonic handling and cooling. Business Impact: reduces thermal load, enhances energy efficiency, and lowers cooling costs in facilities with non-linear loads. Application: ideal for factory automation panels, machine centers, and process lines where harmonics are common. Feature: Copper windings and robust construction. Business Impact: lower I2R losses, longer component life, and better long-term reliability. Application: critical power feeds for motors, drives, and control cabinets in manufacturing environments. Feature: NEMA 2 enclosure for indoor protection. Business Impact: dust- and moisture-resistant housing supports uninterrupted operation in standard plant spaces. Application: indoor electrical rooms, switchgear housings, and equipment closets. Feature: 30 kVA rating with 400 V primary and 208Y/120 V secondary. Business Impact: scalable power for multiple control loads while maintaining voltage stability and reduced line losses. Application: distribution to subpanels, PLCs, and drive systems across the plant floor. Feature: Tap size options (+2.5% and -2.5%). Business Impact: voltage optimization to accommodate slight supply variations, improving performance and reducing nuisance alarms. Application: systems requiring precise voltage regulation in varied site conditions. Feature: Electrostatic shield and DOE 2016 efficiency compliance. Business Impact: improved isolation between windings, lower EMI exposure, and energy savings meeting current regulatory standards. Application: installation in regulated environments and energy-conscious facilities.
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FAQs
Yes. The N39M28T3016CU is specified with a 400 V primary and 208Y/120 V secondary for three-phase indoor power distribution, making it compatible with standard industrial 400 V three-phase buses and common plant equipment.
Key specs include a 30 kVA rating, 60 Hz frequency, three-phase configuration, 400 V primary, 208Y/120 V secondary, copper windings, and a 150 °C rise. It also features a 2 at +2.5%, 4 at -2.5% tap change and an electrostatic shield option.
Yes. The unit is designed to align with DOE 2016 efficiency targets (10 CFR Part 431) for dry-type distribution transformers, supporting energy savings and regulatory compliance in modern facilities.
The N39M28T3016CU uses a NEMA 2 enclosure suitable for indoor environments and supports floor or wall mounting, facilitating versatile installation in control rooms, panels, or equipment closets.
Benefits include improved harmonic handling, reduced cooling load due to efficient ventilation, and DOE 2016 compliance which helps lower operating costs. The electrostatic shield enhances reliability by reducing EMI, contributing to longer service life and better uptime for critical plant processes.