Eaton N48M28T5516QCU Transformer - DOE2016 Efficient
Part Number: N48M28T5516QCU
Quick Summary
The Eaton N48M28T5516QCU is a K-Factor nonlinear ventilated transformer for high-demand electrical systems. Retrofitting projects often struggle to balance efficiency, harmonic control, and footprint within tight facility constraints. It carries DOE 2016 Efficient performance, UL Listed certification, and a rugged NEMA 2 enclosure to meet harsh plant conditions. These certifications help ensure regulatory compliance and reliable operation in demanding environments. For engineers and procurement teams, this transformer provides reliable 480 V primary to 208Y/120 V secondary distribution with floor mounting, copper windings, and robust insulation, delivering steady performance in power distribution and harmonic mitigation scenarios.
Product Information
Extended Description
N48M28T5516QCU Eaton: 500 kVA K-13 DOE 2016 Efficient General Purpose Ventd Transformer 480V Delta, 208Y/120,150C rise, Cu Shielded Q
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T5516QCU
UPC
786680321085
Product Length/Depth
44.25 in
Product Height
80.25 in
Product Width
64 in
Product Weight
3430 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
GPF
Insulation
220 °C
Mounting
Floor
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
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
K13
Feature: K-Factor nonlinear design optimizes harmonic handling and load responsiveness. Business Impact: Reduces upstream transformer loading and minimizes voltage distortion, enabling cleaner power delivery to sensitive equipment. Application: Facilities with heavy harmonic loads such as motor drives and CNC networks benefit from improved power quality and longer equipment life. Feature: DOE 2016 Efficient performance. Business Impact: Lower no-load and load losses translate to meaningful energy cost savings over the life of the asset. Application: Large facilities pursuing energy compliance and reduced operating costs in continuous operation environments. Feature: NEMA 2 enclosure and floor mounting. Business Impact: Durable protection against dust and moisture with straightforward installation, reducing enclosure-related maintenance and footprint concerns. Application: Manufacturing floors, warehousing, and industrial plants where secure, accessible siting is required. Feature: 500 kVA rated, 3-phase, 60 Hz, 480 V to 208Y/120 V. Business Impact: High-capacity distribution supports multiple feeds and critical loads with a single, centralized transformer, lowering coordination complexity and inventory needs. Application: Data centers, processor lines, and large machine rooms with diverse downstream circuits. Feature: Copper windings and 150 °C rise insulation. Business Impact: Robust thermal performance and durability for demanding duty cycles, reducing replacement risk and service intervals. Application: Heavy-duty industrial installations and facilities with elevated ambient temperatures. Feature: UL Listed and 150 °C rise rating with 208Y/120 secondary. Business Impact: Compliance assurance and broader install approvals across jurisdictions, while maintaining dependable secondary voltage for sensitive loads. Application: Regulated environments and multi-site deployments that require proven certification and compatibility.
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FAQs
Plan for floor mounting and ensure adequate space for a 64 in wide, 80.25 in tall, 44.25 in deep footprint. The unit weighs 3430 lb, so arrange appropriate anchoring and lifting equipment. Verify enclosure protection (NEMA 2) and ensure proper ventilation and clearance for cooling and service access.
It is a 500 kVA, three-phase transformer with 60 Hz operation. Primary voltage is 480 V (delta) and secondary is 208Y/120 V. It features copper windings, a 150 °C rise insulation class, and is DOE 2016 Efficient with UL Listed certification.
Yes. The K-Factor nonlinear design (K13) mitigates harmonic currents, improving power quality for sensitive equipment and reducing voltage distortion in harmonics-heavy loads typical of data centers and high-drive systems.
The unit is UL Listed and DOE 2016 Efficient compliant, with catalog notes referencing 10 CFR Part 431 (2016) Efficient. It also carries a NEMA 2 enclosure rating suitable for industrial environments and 150 °C rise insulation to handle higher temperature operation.
Higher efficiency lowers energy costs over the lifecycle, while robust copper windings and insulation reduce maintenance and replacement risk. Compliance with DOE 2016 and UL listings simplifies regulatory approvals, supporting faster project timelines and predictable total cost of ownership.