Eaton N48M28F7516CULS47-US Transformer - UL Listed
Part Number: N48M28F7516CULS47-US
Quick Summary
The Eaton N48M28F7516CULS47-US transformer delivers K-Factor nonlinear ventilation for efficient power distribution in industrial facilities. This approach reduces heat buildup and cooling costs that plague large electrical systems, helping plants run more reliably. DOE 2016 Efficient compliance, UL Listed certification, and a rugged NEMA 3R enclosure protect equipment in challenging environments, from outdoor bays to interior switchgear rooms. For engineers and procurement teams, the copper-wound construction and 75 kVA rating translate to dependable performance for critical loads in manufacturing, automation, and data-center support. The design also supports voltage regulation through taps, easing integration with existing power systems and lowering total cost of ownership over the life of the installation.
Product Information
Extended Description
N48M28F7516CULS47-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER, DOE 2016, COPPER, 60HZ, 75KVA, 3PH, 480V DELTA, 208Y/120V, 47DB MAX, 115°C RISE, NEMA 3R, CASE C, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7516CULS47-US
UPC
786689949174
Product Length/Depth
21.75 in
Product Height
40.5 in
Product Width
31.5 in
Product Weight
765 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 3R
Frame
CASE C
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Sound Level
47 dB
Temperature rise
115 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
MADE IN AMERICA,K-FACTOR 13, 47 DB MAX, 115 C TEMP RISE
K-Factor nonlinear ventilation with copper windings optimizes heat management. This improves thermal efficiency, reducing cooling energy use and equipment stress, which translates to higher reliability for critical loads in manufacturing lines and automation panels. In practice, plant engineers appreciate steadier voltage profiles and quieter operation in crowded electrical rooms. With a 75 kVA rating and three-phase 480 V delta primary to 208Y/120 V secondary, this transformer supports mid-to-large plant loads and panelboard expansions, while the CASE C frame and 21.75 in depth simplify installation in established spaces. Copper windings minimize losses, delivering lower operating temperatures and improved longevity for motor drives and control gear. Voltage regulation taps—2 AT +2.5% FCAN and 4 AT -2.5% FCBN—offer precise adjustment to accommodate supply variations, reducing equipment stress and maintenance needs. The NEMA 3R enclosure enables outdoor or harsh-environment placement without compromising safety, and DOE2016 Efficient plus UL Listed certification streamline procurement and compliance across regulated industries. These features collectively deliver lower total cost of ownership through energy savings, reduced downtime, and longer asset life.
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FAQs
Plan for its footprint: 31.5 in width, 21.75 in depth, and 40.5 in height. The unit weighs about 765 lb, requiring appropriate rack or floor mounting and lifting provisions. With a NEMA 3R enclosure, ensure weather exposure and ventilation align with location. Primary 480 V delta and secondary 208Y/120 V configurations should match MCC distribution.
K-Factor nonlinear ventilation adapts to varying load and ambient conditions, improving heat removal without oversized cooling. This reduces hotspot formation, lowers winding and insulation stress, and extends service life for critical loads such as motor drives and control panels in harsh industrial environments.
Yes. The N48M28F7516CULS47-US is DOE 2016 Efficient compliant and UL Listed, simplifying regulatory procurement. This reflects lower no-load and full-load losses, contributing to reduced energy consumption and improved life-cycle cost in facilities subject to energy performance mandates.
The transformer includes taps at 2 AT +2.5% FCAN and 4 AT -2.5% FCBN to accommodate supply voltage variations. Use these taps to stabilize downstream equipment voltage, protect sensitive motors and controls, and compensate for feeder drop or utility fluctuations in aging or remote installations.
Copper windings and a robust NEMA 3R enclosure support longer service intervals and rugged operation, reducing maintenance costs. The DOE 2016 efficiency rating and UL listing contribute to lower operating expenses through energy savings and fewer downtime incidents, delivering a favorable total cost of ownership over the device’s life in demanding industrial settings.