Eaton N48M28F4921CULS50 Transformer - DOE2016 Efficient
Part Number: N48M28F4921CULS50
Quick Summary
Eaton N48M28F4921CULS50 is an energy-efficient nonlinear ventilated transformer for industrial power distribution. This design addresses heat buildup, efficiency loss, and compliance risk common in large switchgear installations. With UL Listed certification and DOE2016 Efficient performance, it delivers safer operation and measurable energy savings. The product supports three-phase 480 V primary and 208Y/120 V secondary, making it suitable for data centers, manufacturing floors, and critical load centers. By combining K-Factor performance with compact frame options, it helps facilities meet sustainability targets while reducing lifecycle costs. This model also leverages Eaton's NextGen design for easier installation, serviceability, and predictable electrical characteristics.
Product Information
Extended Description
N48M28F4921CULS50 Eaton: Eaton NextGen K-Factor, DOE2016 CU 50dB, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4921CULS50
UPC
786689670115
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
150 kVA
Volt ampere rating
150KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Special features
K13
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design minimizes heat concentration, enabling higher load tolerance and reduced cooling demand, which translates to lower energy costs and improved equipment longevity in demanding environments such as manufacturing lines. This supports reliable uptime and safer operations in mission-critical systems. Application: Use in industrial power distribution where heat and efficiency are drivers of total cost of ownership. Feature → Business Impact → Application: DOE2016 Efficient performance delivers measurable energy savings and compliance readiness, reducing operating expenses and carbon footprint in large electrical rooms. Application: Ideal for facilities with energy targets and regulatory reporting requirements. Feature → Business Impact → Application: UL Listed certification provides documented safety and reliability, ensuring installation and maintenance teams can reference recognized standards. Application: Fits into standard safety programs and procurement requirements for industrial sites. Feature → Business Impact → Application: Three-phase 480 V primary and 208Y/120 V secondary compatibility simplifies integration with existing switchgear and downstream loads. Application: Suitable for data centers, machine halls, and production floors that require predictable voltage transformation. Feature → Business Impact → Application: 150 kVA rating and 943 frame with a 31.5 in depth, 34.5 in width, and 51 in height securely addresses footprint planning and installation sequencing in tight equipment rooms. Application: Projects with space constraints and crane-assisted installation. Feature → Business Impact → Application: K13 feature and high 115 °C rise support robust performance in hot environments, reducing derating and maintaining output under peak loading. Application: Harsh or warm facilities where reliability is critical. These combined features support faster project delivery, lower maintenance intervals, and improved lifecycle economics for industrial power management.
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FAQs
The N48M28F4921CULS50 is a three-phase 150 kVA transformer designed for standard ventilated enclosures. It uses a 283B wiring connection and fits within a 31.5 in depth, 34.5 in width, and 51 in height footprint. Due to its 1200 lb weight, plan for crane-assisted installation and confirm cabinet clearances, mounting provisions, and UL safety clearances per local codes.
This unit features K-Factor nonlinear performance and DOE2016 Efficient compliance, delivering lower no-load and load losses. The 150 kVA rating with three-phase 480 V to 208Y/120 V transformation provides stable voltages under transient loads. UL Listed certification supports safety validation, while the ventilated design enhances cooling, enabling consistent performance in demanding environments.
Yes. With 480 V to 208Y/120 V output, three-phase operation, and a high-efficiency profile, it's well-suited for data centers, manufacturing floors, and critical load centers. The K13 feature and thermal tolerance support high-load conditions, reducing risk of derating and improving uptime in space-constrained facilities.
UL Listed certification confirms electrical safety and compliance with recognized standards, simplifying procurement and installation approvals. DOE2016 Efficient status demonstrates energy-performance compliance, delivering long-term operating-cost advantages and helping meet corporate sustainability targets in regulated industries.
Expect reduced energy costs due to DOE2016 efficiency and lower cooling requirements from the ventilated design, improving total cost of ownership. Routine maintenance aligns with standard transformer practices, while the UL certification and robust NextGen design support easier serviceability and faster issue resolution, contributing to shorter downtime and better asset utilization.