Eaton N48M28F5516QCU-US Transformer - DOE 2016 Efficient
Part Number: N48M28F5516QCU-US
Quick Summary
The Eaton N48M28F5516QCU-US Transformer delivers efficient power distribution for industrial facilities and data centers. Faced with harmonic-rich loads and tightening DOE compliance, engineers need gear that reduces losses without sacrificing reliability. This model meets DOE 2016 efficiency standards and UL Listed safety, with additional alignment to 10 CFR Part 431, which helps with regulatory audits and procurement. Built as a 500 kVA, three‑phase unit with a 480 V delta primary and 208Y/120 V secondary, it uses copper windings and a 115 °C rise rating for durable operation in demanding environments. Copper windings, NEMA 1 enclosure, CASE F frame, and 220 °C insulation support easy installation and predictable maintenance, delivering energy savings and long‑term lifecycle value.
Product Information
Extended Description
N48M28F5516QCU-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER, DOE 2016, COPPER, 60 HZ, 500 KVA, 3 PH, 480 V DELTA, 208Y/120V, NEMA ST-20, 115°C RISE, NEMA 1, CASE F, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN, RH7
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F5516QCU-US
UPC
786689817879
Product Length/Depth
44.25 in
Product Height
80.25 in
Product Width
64 in
Product Weight
3860 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 1
Frame
CASE F
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
500 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
MADE IN AMERICA
Weathershield
RH7
Feature: K‑Factor nonlinear ventilated design reduces losses under harmonic-rich loads. Business Impact: improves overall efficiency, lowers operating temperatures, and extends transformer life in facilities with nonlinear loads. Application: suitable for data centers, machine centers, and manufacturing lines where VFDs and switching devices drive harmonics. Feature: DOE 2016 Efficient rating and copper windings. Business Impact: compliant with energy standards and reduced standby losses, while copper conductors offer superior conductivity and heat dissipation. Application: retrofit or new-build projects seeking predictable performance and energy performance benchmarks in industrial floors. Feature: 500 kVA three‑phase, 480 V delta primary and 208Y/120 V secondary. Business Impact: scalable distribution with fewer feeders, simpler protection schemes, and safer panel integration. Application: MCCs, control panels, and automation racks in manufacturing and processing environments. Feature: Tap settings 2 AT +2.5% FCAN and 4 AT -2.5% FCBN. Business Impact: voltage tuning to accommodate line swings, reducing nuisance trips and keeping equipment within spec. Application: utilities and facilities with variable input voltage, critical control circuits, and precision machinery. Feature: NEMA 1 enclosure, CASE F frame, 220 °C insulation, 115 °C rise. Business Impact: rugged indoor installation with high thermal resilience, straightforward mounting, and predictable service intervals. Application: electrical rooms, switchgear closets, and controlled environments where enclosure protection matters. Feature: Certifications and compliance – UL Listed, DOE 2016 Efficient, and 10 CFR Part 431 Efficient. Business Impact: simplifies procurement, regulatory audits, and energy reporting. Application: facilities with strict supplier qualification programs and government regulation. Feature: Physical footprint and weight: 3860 lb, with dimensions 44.25 in L x 64 in W x 80.25 in H. Business Impact: informs installation planning, rack compatibility, and crane/rigging considerations. Application: large-scale power distribution installations in warehouses or production floors.
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FAQs
This 500 kVA, three‑phase transformer is well suited for data centers, automation racks, MCCs, and manufacturing lines where harmonic loads are present and reliable power distribution is critical. With a 480 V delta primary and 208Y/120 V secondary, it supports common industrial service configurations and provides robust heat management through copper windings.
The K‑Factor nonlinear ventilated design reduces copper and core losses when supplying harmonic-rich loads, improving efficiency and reducing heat generation. This translates to lower cooling requirements, longer component life, and more stable voltage under dynamic loading in data centers, drives-heavy automation cells, and other electronics-heavy applications.
The unit is UL Listed and meets DOE 2016 efficiency requirements, with additional alignment to 10 CFR Part 431 Efficient criteria. These certifications simplify regulatory audits, support green procurement programs, and help ensure ongoing compliance for facilities with energy performance and safety mandates.
Designed for indoor, controlled environments, the NEMA 1 enclosure and CASE F frame provide a sturdy, compact footprint suitable for electrical rooms and switchgear closets. Plan for adequate clearance, proper rack or pad mounting, and weight handling for the 3860 lb transformer to ensure safe installation and service access.
With copper windings and a 115 °C rise rating, the transformer offers reliable thermal performance and longevity in demanding environments. Regular inspections should focus on insulation condition, tap setting integrity, and enclosure integrity. The unit’s compatibility with 60 Hz operation and standard industrial voltage levels supports predictable lifecycle planning.