Eaton N48M28T7716Q Transformer - DOE 2016 Efficient
Part Number: N48M28T7716Q
Quick Summary
The Eaton N48M28T7716Q transformer provides energy-efficient power for 480 V primary and 208Y/120 V secondary applications in OEMs and facilities. Engineers often grapple with energy waste, bulky footprints, and challenging commissioning when upgrading legacy equipment. This unit meets DOE 2016 Efficient guidelines, UL Listed, and a NEMA 1 enclosure, delivering reliable indoor service. Its aluminum windings and K-13 modification enhance efficiency, while the GP frame supports straightforward floor mounting. With a 60 Hz operating basis and a 150 °C rise, it balances performance and reliability in demanding environments. The design also supports precise voltage tapping and industry-standard connections, helping procurement teams simplify specs, maintain compliance, and reduce lifecycle costs.
Product Information
Extended Description
N48M28T7716Q Eaton: Eaton K-Factor nonlinear ventilated transformer, 750 kVA K-13 DOE 2016 Efficient General Purpose, PV 480V Delta, 208Y/120, 150C rise, Aluminum windings, NEMA 1, Q design
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T7716Q
UPC
786680331022
Product Length/Depth
44.25 in
Product Height
80.25 in
Product Width
64 in
Product Weight
3800 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 1
Type
Energy-efficient dry-type transformer
Frame
GPF
Insulation
220 °C
Mounting
Floor
Tap size
+2 at 2.5% FCAN, -2 at 2.5% FCBN
Frequency rating
60 Hz
Kva Rating
750 kVA
Volt ampere rating
750 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
K-13
Weathershield
RH7
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design reduces stray losses and improves efficiency under non-linear loads, delivering lower energy consumption and cooler operation, which translates to decreased plant energy bills and extended equipment life. Application: data centers, industrial facilities, and OEM equipment rooms where harmonic-rich loads are common. Feature → Business Impact → Application: Aluminum windings paired with a 220 °C insulation system offer robust conductivity and durability at a competitive price point, enabling cost-effective long-term operation in indoor environments. Application: manufacturing floors and assembly plants requiring reliable power delivery with manageable lifecycle costs. Feature → Business Impact → Application: NEMA 1 enclosure with a floor-mount GP frame provides rugged, field-assembly-friendly installation options that simplify retrofits and new builds. Application: mechanical rooms, switchgear confines, and space-constrained environments. Feature → Business Impact → Application: +2 at 2.5% FCAN and -2 at 2.5% FCBN tap changer support precise voltage regulation, reducing secondary-side voltage excursions and protecting downstream equipment. Application: facilities with variable loads or tight voltage tolerances. Feature → Business Impact → Application: DOE 2016 Efficient compliance, UL listing, and a 750 kVA rating deliver proven performance, regulatory alignment, and predictable maintenance needs. Application: critical process lines, data-handling systems, and large motors in manufacturing and logistics. Feature → Business Impact → Application: Indoor, floor-mounted transformer with a 60 Hz rating and a 150 °C rise, designed to meet demanding service conditions while minimizing downtime and maintenance cost. Application: industrial plants, OEM integration, and retrofit projects requiring dependable energy performance.
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FAQs
The N48M28T7716Q delivers 480 V primary to 208Y/120 V secondary in a three-phase, 60 Hz configuration, which matches common industrial power layouts. Its voltage-tap capability (+2 at 2.5% FCAN, -2 at 2.5% FCBN) supports minor system voltage adjustments without external equipment. This makes it well-suited for facilities with variable loads, ensuring downstream equipment receives stable voltage and reducing maintenance on secondary power supplies.
This unit is designed to meet DOE 2016 Efficient guidelines and is UL Listed, providing regulatory assurance and reliability. It uses aluminum windings with a 150 °C rise rating and operates at 60 Hz. The combination of DOE efficiency, UL certification, and robust insulation supports long-term energy savings, lower lifecycle costs, and compliance for indoor installations.
Yes. The transformer is configured with a NEMA 1 enclosure and floor-mount GP frame, ideal for indoor mechanical rooms, OEM cabinets, and factory floors. Its 3800 lb weight and substantial footprint require proper foundation and rigging planning, but the rugged enclosure and interior protections keep uptime high and maintenance simple.
Plan for a rigid foundation and rigging setup due to the 3800 lb weight and footprint of 44.25 in by 64 in by 80.25 in. The floor-mount configuration simplifies installation in dedicated spaces, but you’ll need adequate clearance for servicing and a foundation that supports vibration isolation. The device’s taps and connections are designed for straightforward field wiring aligned with standard 480 V to 208Y/120 V configurations.
The DOE 2016 Efficient specification reduces core and copper losses, yielding lower utility costs over the transformer's life. Combined with UL listing and a robust NEMA 1 enclosure, the unit minimizes downtime and maintenance frequency. For facilities with steady or growing loads at 750 kVA, the lifecycle energy savings and improved reliability can translate to meaningful ROI within a few years, depending on local energy prices and load profile.