Eaton N48M28T3316QLS52 Transformer - UL Listed
Part Number: N48M28T3316QLS52
Quick Summary
Eaton N48M28T3316QLS52 nonlinear ventilated transformer is a power-conditioning solution for industrial electrical rooms and distribution panels. Facilities often struggle with heat, noise, and voltage variability in space-constrained environments, leading to energy waste and reliability concerns. This unit meets DOE 2016 Efficient and UL Listed requirements while delivering a rugged NEMA 1 enclosure, CASE E frame, and 220°C insulation suitable for harsh factory floors. With aluminum windings and a 150°C rise, it provides dependable performance at 60 Hz and a 300 kVA rating, and the built-in tap changer supports voltage optimization across load conditions. For procurement teams, the combination of compliance, footprint, and install readiness translates to lower risk and faster project handover.
Product Information
Extended Description
N48M28T3316QLS52 Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER, DOE 2016, ALUMINIUM, 60 HZ, 300 KVA, 3 PH, 480 V DELTA, 208Y/120V, 52 DB, 150°C RISE, NEMA 1, CASE E, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN, RH6
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T3316QLS52
UPC
786689815554
Product Length/Depth
32 in
Product Height
66 in
Product Width
50.5 in
Product Weight
2700 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 1
Frame
CASE E
Insulation
220°C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
300 kVA
Volt ampere rating
300 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Sound Level
52 dB
Temperature rise
150 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
52 DB MAX
Weathershield
RH6
Feature: K-Factor nonlinear ventilated design reduces heat buildup and manages losses more effectively than traditional transformers. Business Impact: lowers cooling requirements, improves energy efficiency, and extends equipment life in busy electrical rooms. Application: ideal for manufacturing floors and process lines where space and reliability matter. Feature: Aluminum coil material offers corrosion resistance and weight advantages. Business Impact: easier handling during installation and reduced support costs over the life of the asset. Application: rugged industrial environments with demanding duty cycles. Feature: Tap size options 2 AT +2.5% FCAN and 4 AT -2.5% FCBN enable precise voltage regulation. Business Impact: improved load balance and voltage stability, reducing equipment stress. Application: environments with fluctuating supply or long feeders. Feature: 480 V delta primary and 208Y/120 V secondary provide versatile compatibility. Business Impact: supports common distribution architectures and simplifies integration with downstream panels. Application: multi-load facilities requiring flexible voltage transformation. Feature: NEMA 1 enclosure and CASE E frame facilitate quick installation and rugged operation. Business Impact: protected, maintenance-friendly installation that resists dust and contaminants. Application: indoor electrical rooms and factory floors. Feature: DOE 2016 efficient and UL Listed compliance, plus 10 CFR Part 431 alignment. Business Impact: regulatory assurance and potential energy cost savings, reducing total cost of ownership. Application: capital upgrades and compliance-driven projects. Feature: Sound level of 52 dB and insulation rated to 220°C with 150°C rise. Business Impact: quieter operation and safer thermal margins, enabling closer equipment spacing. Application: compact or noisy environments where heat and sound must be controlled.
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FAQs
Plan for a protected indoor space with a NEMA 1 enclosure, ensure adequate clearance for 32 in length, 66 in height, and 50.5 in width, confirm mounting to a stable surface suitable for a CASE E frame, and connect input and output to the 480 V delta primary and 208Y/120 V secondary according to the tap settings and local electrical codes.
It is a 300 kVA, three-phase transformer operating at 60 Hz with a 480 V delta primary and 208Y/120 V secondary. It uses aluminum windings, features 2 AT +2.5% FCAN and 4 AT -2.5% FCBN taps, and supports a 150°C rise with 52 dB sound output.
Yes. The N48M28T3316QLS52 is DOE 2016 Efficient and UL Listed, with additional compliance notes under 10 CFR Part 431, making it suitable for energy-conscious and regulated installations.
Expect UL Listed certification and a NEMA 1 enclosure with a CASE E frame, rated for indoor service in industrial environments. Weathershield RH6 and insulation rated to 220°C further support rugged operation.
Benefits come from energy efficiency, reduced cooling load, and longer transformer life due to controlled temperature rise. Regular checks should focus on tap connections, enclosure integrity, and ventilation to preserve performance and achieve a favorable ROI over the asset lifecycle.