Eaton N48M28F4921CUS2PI3 Transformer - UL Listed
Part Number: N48M28F4921CUS2PI3
Quick Summary
The Eaton N48M28F4921CUS2PI3 transformer delivers K-Factor nonlinear protection for reliable three-phase power distribution. This design addresses common modernization pain points, including space constraints, efficiency goals, and compatibility with existing switchgear. DOE2016 Efficient compliance and UL Listed certification help meet procurement standards while supporting safer operation. For engineers and procurement teams, the model offers a dependable balance of performance and accessibility for industrial automation and facility power systems.
Product Information
Extended Description
N48M28F4921CUS2PI3 Eaton: Eaton NG K-Factor, DOE2016 CU, 80kA, SPD 3in IR-W, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4921CUS2PI3
UPC
786689671044
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
The 150 kVA three-phase transformer features a 480 V primary and 208Y/120 V secondary, delivering robust load handling and simplified panel integration which reduces the number of transformer banks on a given line. This translates to lower installed footprint and easier maintenance planning, directly impacting total cost of ownership in manufacturing facilities and automation rooms. DOE2016 Efficient designation lowers operating losses, supporting energy-performance targets and regulatory compliance while reducing long-term energy costs for data centers and light-industrial applications. The K-Factor nonlinear ventilated design, combined with a 115 °C rise rating, improves fault current management and thermal performance, enabling safer operation in environments with harmonic loads common to modern controls and drives. UL Listed certification provides procurement confidence and supplier traceability, smoothing commissioning and audits across industrial sites. Large footprint considerations, including a 1200 lb weight and 31.5 in length by 34.5 in width, necessitate proper foundation and crane-accessible installation, which, when planned, yields reliable service life and predictable maintenance windows. Wiring connection 283B and frame 943 support straightforward integration with standard power distribution infrastructure and existing switchgear in industrial automation environments.
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FAQs
The N48M28F4921CUS2PI3 is a 150 kVA, three-phase transformer with a 480 V primary and 208Y/120 V secondary, designed to integrate with standard industrial switchgear and distribution panels. Its Wye configuration and precise voltage ratios minimize the need for auxiliary components, streamline panel wiring, and reduce voltage conversion losses across typical automation applications.
DOE2016 Efficient designation indicates reduced core and winding losses for improved energy performance, lowering long-term operating costs.UL Listed certification confirms compliance with safety and quality standards, easing procurement and quality assurance processes. Together these certifications support reliable operation in demanding environments while meeting regulatory and supplier requirements for industrial power systems.
A 150 kVA transformer at 1200 lb requires a robust foundation, adequate crane access, and clear clearance for service panels and cooling paths. Plan for vibration isolation and proper ventilation given the ventilated design. Ensure the structure can support the weight, and coordinate with electrical room layout to optimize routing of 480 V and 208Y/120 V circuits.
Applications with harmonic-rich loads, such as drives, CNC controllers, and other power electronics, benefit from K-Factor nonlinear ventilation. The design improves thermal performance under non-sinusoidal current profiles, reduces overheating risk, and extends motor and switchgear life. This makes it well-suited for automated manufacturing lines and data-center adjacent equipment rooms.
Maintenance benefits come from a robust, UL-listed unit with DOE2016 efficiency—lower energy losses translate to reduced operating costs over time. ROI is driven by improved reliability, reduced cooling needs due to better thermal performance, and simpler procurement from a single, compliant, high-capacity transformer suitable for scalable automation projects.