Eaton N39M28T1516CU Transformer - K-Factor 13

Part Number: N39M28T1516CU
Manufacturer
Eaton
Part number
N39M28T1516CU

Quick Summary

Eaton N39M28T1516CU is a K-Factor nonlinear ventilated transformer for industrial power distribution. Selecting a transformer that meets DOE efficiency standards while fitting in space-constrained switchrooms can delay projects and raise installation costs. This unit aligns with DOE 2016 efficiency requirements, incorporates an electrostatic shield, copper windings, and a rugged NEMA 2 enclosure to withstand harsh environments. With a 15 kVA rating in a three-phase 400 V primary and 208Y/120 V secondary, it delivers reliable power for controls and automation. Its copper windings and tap changer options help maintain voltage accuracy, reducing downtime and helping procurement teams meet compliance while optimizing overall plant economics.

Product Information

Extended Description

N39M28T1516CU Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, 60 Hz, 220°C, 15 kVA , Three-phase, 400 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 15 kVA, 400 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N39M28T1516CU
UPC
786680197208
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
15 kVA
Volt ampere rating
15 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
Feature Copper windings with electrostatic shield → Improves efficiency and EMI control, reducing interference in sensitive control circuits; Application suitable for control panels and machine rooms, delivering cleaner power and easier compliance. Feature K-Factor 13 nonlinear design → Enhances performance under non-linear loading (VFDs, drives) and improves efficiency margins; Application supports modern plant automation with reliable energy handling. Feature 15 kVA, three-phase 400 V to 208Y/120 V → Right-sized power distribution that minimizes panel count and wiring complexity; Application ideal for industrial controls and automation networks to reduce installation time. Feature DOE 2016 efficiency alignment → Lower operating costs and regulatory compliance, translating into measurable ROI for facilities with continuous duty cycles; Application across manufacturing floors and data-intensive environments. Feature NEMA 2 enclosure for rugged environments → Durable protection against dust and moisture, enabling floor or wall mounting in harsher spaces; Application in equipment rooms and production lines where space is at a premium. Feature Tap size 2 at +2.5%, 4 at -2.5% → Voltage regulation flexibility to accommodate supply fluctuations; Application ensures stability for PLCs and motor control centers. Feature Electrostatic shield and K-Factor 13 as standard features → Enhanced electrical safety and filtration of transient disturbances; Application in critical control circuits and safety-critical panels. These combined features support reliable, compliant operations with measurable efficiency gains and straightforward installation in modern industrial settings.

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FAQs

This transformer is designed for floor or wall mounting with a NEMA 2 enclosure, suitable for standard industrial environments. Plan for three-phase 400 V input and 208Y/120 V secondary wiring, ensure adequate clearance for ventilation, and account for the 21.13 in depth, 24.88 in width, and 36.88 in height. Tap adjustments (+2.5% and -2.5%) should be wired in with proper protection and labelling to maintain voltage accuracy under load.
K-Factor 13 indicates enhanced tolerance to non-linear disturbances common with VFDs and PWM drives. This improves overall transformer efficiency under real-world loading, reduces waveform distortion on sensitive controls, and helps maintain stable voltage delivery to PLCs and sensors, supporting higher reliability in automated lines.
Yes. With 15 kVA rating, copper windings, copper insulation, and a robust NEMA 2 enclosure, the N39M28T1516CU is well-suited for control panels and machine rooms. The 400 V to 208Y/120 V outputs provide compatible voltages for control hardware, with tap adjustments to compensate for supply variance and maintain consistent logic levels.
This unit reflects energy efficiency aligned with DOE 2016 (10 CFR Part 431) and includes an electrostatic shield. The enclosure supports rugged environments (NEMA 2) and sound characteristics are referenced to NEMA ST-20. Specific certifications can be obtained from Eaton upon request; verify compatibility with local electrical codes before installation.
Energy efficiency under DOE 2016 helps reduce operating costs over the life of the asset, while the electrostatic shield reduces EMI and potential interference. The 15 kVA rating matches typical automation loads, minimizing oversizing. A one-year warranty (or 18 months from shipment, per Eaton policy) provides initial protection; overall, the unit combines reliability with lower lifecycle costs in routine maintenance and downtime reduction.