Eaton N48M28T2216SR K-Factor Transformer - DOE 2016
Part Number: N48M28T2216SR
Quick Summary
The Eaton N48M28T2216SR is a high-efficiency K-Factor transformer designed for industrial power distribution. It reduces downtime and energy waste in demanding facilities by combining DOE 2016 efficiency with UL Listed reliability. With a NEMA 2 enclosure and floor-mount design, it withstands harsh environments while delivering consistent voltage under load. UL and compliance with 10 CFR Part 431 Efficient simplify regulatory reporting, while the aluminum windings and 150°C rise support durable, long-life operation. Designed for procurement teams and electrical engineers, it pairs 225 kVA capacity with scalable performance to support growing loads and predictable TCO.
Product Information
Extended Description
N48M28T2216SR Eaton: Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, 60 Hz, 220°C, 225 kVA, Floor, Three-phase, 480 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 225 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T2216SR
UPC
786680203916
Product Length/Depth
33.5 in
Product Height
66.18 in
Product Width
42.18 in
Product Weight
1723 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.
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Insulation
220 °C
Mounting
Floor
Tap size
2 at +2.5%, 4 at -2.5%
Frequency rating
60 Hz
Kva Rating
225 kVA
Volt ampere rating
225 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
Electrostatic shield, certified sound level test report
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 - N48M28T2216SR
Feature: K-Factor 13 nonlinear design improves fault tolerance under nonlinear loading; Business Impact: reduces overheating risk and nuisance trips, enhancing uptime; Application: ideal for mixed-load industrial systems with drives and motors. Feature: Aluminum windings lower material cost and contribute to high-efficiency operation; Business Impact: reduces copper costs and improves overall efficiency; Application: suitable for large-floor installations where weight and heat management matter. Feature: DOE 2016 efficiency and 10 CFR Part 431 compliance; Business Impact: simplifies regulatory reporting and lowers energy consumption; Application: supports facilities pursuing green commitments and reduced operating expenses. Feature: NEMA 2 enclosure and floor-mount design; Business Impact: rugged protection and straightforward installation with secure mounting; Application: long-term installation in factory floors and utility rooms. Feature: Voltage taps 2 at +2.5% and 4 at -2.5%; Business Impact: improves voltage regulation without rewiring; Application: accommodates varying input conditions. Feature: Electrostatic shield option and verified sound level test; Business Impact: minimizes EMI and ensures predictable acoustic performance; Application: compliant installations in sound-sensitive environments near automation equipment.
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FAQs
Yes. The N48M28T2216SR is a three-phase transformer rated for 480 V primary and 208Y/120 V secondary, designed for floor mounting in industrial spaces. Its NEMA 2 enclosure supports durable on-site operation, while the 225 kVA rating covers medium-load scenarios common in manufacturing and data-center relay rooms.
This unit features DOE 2016 efficiency and 10 CFR Part 431 compliance, with UL Listed certification for safety. The K-Factor 13 design contributes to reduced losses under nonlinear loading, helping facilities meet sustainability targets and regulatory reporting requirements while maintaining reliable service.
Plan for floor mounting with adequate clearance around the 33.5 in depth, 42.18 in width, and 66.18 in height footprint. The weight is approximately 1723 lb, so include proper lifting and anchoring. Use the taps at +2.5% and -2.5% to minimize voltage fluctuation under varying loads and ensure drive systems remain within spec during startup.
The 225 kVA, 60 Hz, aluminum-windings design reduces I2R losses and improves heat management, leading to lower energy costs over the life of the asset. The UL listing, DOE 2016 efficiency, and 150 °C rise rating support predictable maintenance planning, while the electrostatic shield option helps mitigate EMI and extend equipment life.
Yes. Available downloads include Eaton's Specification Sheet for N48M28T2216SR, brochures on high-efficiency dry-type transformers, and related videos. The documents cover electrical parameters, installation guidelines, and test data to support commissioning, regulatory filings, and performance verification in industrial facilities.