Eaton N48D28T1221CULS50 transformer - UL Listed & DOE2016 Efficient
Part Number: N48D28T1221CULS50
Quick Summary
Introducing the Eaton N48D28T1221CULS50 transformer—a high-efficiency, three-phase solution for industrial power distribution and equipment protection. Engineers often struggle with energy losses, noise, and regulatory compliance in bulky power transformers. This unit carries UL Listed certification, meets DOE2016 Efficient standards, and features K13 for enhanced fault tolerance and cooling performance. Designed for energy-efficient power management and reliable power quality, it integrates smoothly with standard 480 V three-phase systems, delivering predictable performance, easier procurement, and reduced total cost of ownership over the equipment lifecycle.
Product Information
Extended Description
N48D28T1221CULS50 Eaton: Eaton NextGen K-Factor, DOE2016 CU 50dB sound, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120 150C, D-Taps
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28T1221CULS50
UPC
786689670610
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1200 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Wiring connection
305K
Type
Energy-efficient ventilated transformer
Frame
943
Kva Rating
112.50 kVA
Volt ampere rating
112.5KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
K13
Feature → Business Impact → Application: K-Factor nonlinear ventilated design improves heat dissipation under nonlinear loading, reducing hot spots and extending transformer life, which translates to lower maintenance costs and higher uptime in continuous production lines. Application: manufacturing floors with mixed-load harmonics and variable motor drives. Feature → Business Impact → Application: DOE2016 Efficient compliance delivers significant energy savings and supports corporate sustainability goals while minimizing utility penalties. Application: facilities under energy-performance mandates and green-building initiatives. Feature → Business Impact → Application: 480 V primary to 208Y/120 V secondary in a three-phase configuration simplifies integration with existing panel boards and motor control centers, reducing engineering time and enabling modular expansion. Application: standard industrial power distribution. Feature → Business Impact → Application: 112.5 kVA rating with a 150 °C rise provides robust short-term overload capability and reliability for critical lines, improving capacity planning and reducing the need for oversized spares. Application: high-demand manufacturing cells and process lines. Feature → Business Impact → Application: 1200 lb weight, 31.5 in depth, 34.5 in width, and 51 in height with a 943 frame supports installation in space-constrained electrical rooms while maintaining serviceability through accessible wiring connections. Application: retrofit projects and new installations. Feature → Business Impact → Application: K13 special features enhance fault tolerance and cooling efficiency, delivering safer operation in demanding environments. Application: data centers, control rooms, and heavy-load panels.
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FAQs
The N48D28T1221CULS50 is a three-phase, 480 V to 208Y/120 V transformer designed for industrial power distribution. Its footprint suits panel boards, motor control centers, and machinery enclosures in space-constrained electrical rooms. With UL Listing and DOE2016 efficiency, it supports retrofit projects and new installations while meeting safety and energy standards.
Key specs include a 112.5 kVA rating, 480 V primary, 208Y/120 V secondary, 150 °C rise, and a K13 feature set. The unit operates as a three-phase transformer with DOE2016 efficiency and UL Listing, offering a balance of capacity, cooling performance, and regulatory compliance for demanding industrial environments.
Yes, the transformer is UL Listed. It also complies with DOE2016 Efficient standards, which target reduced energy losses in commercial and industrial applications. These certifications support safer operation, easier procurement, and alignment with corporate energy and safety programs.
This model uses a standard three-phase 480 V input with a 208Y/120 V secondary, facilitating integration into typical industrial power distributions. The physical footprint (31.5 in x 34.5 in x 51 in) and weight (about 1200 lb) are within the range of common ventilated transformer installations, enabling straightforward retrofits and new-builds alike.
Energy savings from DOE2016 efficiency, combined with reduced heat and noise from the nonlinear ventilated design, can lower operating costs and maintenance needs. The UL Listing and K13 features improve reliability and fault tolerance, contributing to longer service life and reduced downtime in critical production lines.