Eaton N48M28T1221 Transformer - DOE2016 Efficient
Part Number: N48M28T1221
Quick Summary
Eaton N48M28T1221 Transformer provides energy-efficient power conditioning for three‑phase industrial systems. Engineers often wrestle with heat buildup, efficiency penalties, and bulky installations in demanding manufacturing lines and data centers. UL Listed and DOE2016 Efficient compliance assure reliability and energy savings across duty cycles. The K13 nonlinear ventilated design supports safer commissioning, easier field service, and durable operation in challenging environments. This model is well suited for 112.5 kVA duty, 480 V primary with 208Y/120 V secondary, delivering consistent voltage regulation under fluctuating loads. Designed for installation in compact substations or control centers, it pairs with standard 283B wiring connections and Eaton's extension-compatible frames.
Product Information
Extended Description
N48M28T1221 Eaton: Eaton NextGen K-Factor, DOE2016, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 150C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T1221
UPC
786689670528
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
283B
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: K-Factor nonlinear ventilated transformer with a 112.5 kVA rating. Business Impact: Improves energy efficiency while maintaining voltage stability under non-linear loading, reducing cooling costs and extending equipment life. Application: Ideal for automation panels and distribution centers where harmonic currents are common. Feature: Three-phase, 480 V to 208Y/120 V output. Business Impact: Supports standard industrial power architectures, enabling safer, more reliable panel design and easier downstream equipment coordination. Application: Manufacturing lines and data centers with mixed voltages. Feature: DOE2016 Efficient and UL Listed compliance. Business Impact: Ensures regulatory alignment and lower total cost of ownership through certified performance and energy savings. Application: Facilities needing verifiable efficiency metrics and safety certification. Feature: Ventilated frame with K13 feature. Business Impact: Enhanced heat dissipation reduces hotspot risk, improving standby and peak-load performance. Application: Environments with elevated ambient temperatures or dense cabinet configurations. Feature: Robust physical dimensions and build (31.5 in L, 51 in H, 34.5 in W; 1200 lb). Business Impact: Stable, rugged installation compatible with standard racks and frames, minimizing retrofit complexity. Application: Heavy-duty substations and control rooms requiring solid footing and precise alignment. Feature: Wiring connection 283B and Frame 943 compatibility. Business Impact: Simplifies field wiring and integration with existing Eaton ecosystems, shortening commissioning time. Application: Retrofit projects and new builds leveraging Eaton infrastructure. Industry context note: In modern automation environments, selecting a transformer with DOE2016 efficiency, wide voltage headroom, and proven thermal management translates into measurable energy savings, lower cooling loads, and improved uptime across critical processes.
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FAQs
Plan for a footprint around 31.5 in deep, 34.5 in wide, and 51 in tall, with a total weight near 1200 lb. Provide solid floor support, appropriate hoisting equipment, and clearance for cooling and service access. Uses standard 283B wiring connections and a compatible 943 frame for Eaton-compatible installations.
Key specs include a 112.5 kVA rating, three-phase configuration, primary voltage of 480 V, secondary voltage of 208Y/120 V, and a 150 °C rise. It features the K13 nonlinear ventilated design and is UL Listed with DOE2016 Efficient compliance, ensuring reliable performance under varying loads.
Yes. The N48M28T1221 is designed to meet DOE2016 Efficient standards, delivering enhanced energy performance for new installations and retrofit projects, while UL Listing provides safety confidence across commissioning, operation, and maintenance.
Best suited for industrial automation, manufacturing power distribution, and data-center auxiliary power, especially where harmonic loading, heat management, and reliable voltage regulation are critical. The 480 V to 208Y/120 V output supports typical control panels and distributed loads in these environments.
Plan for periodic thermal checks due to the high 150 °C rise capability, verify UL safety clearances, monitor cooling performance of the ventilated frame, and ensure wiring connections remain compliant with 283B standards. Leverage Eaton’s installation guidelines and available training resources to optimize uptime and service life.