Eaton N48M28B4916CULS53 Transformer - DOE2016 Efficient
Part Number: N48M28B4916CULS53
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is a reliable power-conditioning solution for industrial facilities. This device delivers stable voltage conversion for motors, controls, and other heavy loads with minimized losses. Maintaining energy efficiency while controlling heat in high-power distributions is a common engineering challenge, and this unit helps address it. The transformer is UL Listed, DOE 2016 Efficient, and features K13 with electrostatic shielding, supporting regulatory compliance and system reliability. Designed for floor-mount installation in controlled environments, it offers a robust balance of performance, footprint, and total cost of ownership, making it a practical choice for manufacturing, processing, and data-center support applications.
Product Information
Extended Description
N48M28B4916CULS53 Eaton: Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, FR944, 60 Hz, 220C, 150 kVA, Three-Phase, 480 to 208Y/120, 80C rise, Shielded, DOE 2016, WS61, 283B, K13, 53 dB
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B4916CULS53
UPC
786680245558
Product Length/Depth
33.5 in
Product Height
60 in
Product Width
38 in
Product Weight
1937 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
944
Insulation
220 °C
Material
Copper windings
Mounting
Floor
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
150 kVA
Volt ampere rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
53 dB
Temperature rise
80 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS61
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design with copper windings reduces harmonic stress and improves overall power quality, delivering smoother operation for sensitive equipment and motor drives in manufacturing lines. This translates to fewer nuisance trips and longer motor life, enhancing production uptime and reducing maintenance costs. In practice, engineers deploy this transformer where clean, stable voltage is critical for process control systems and CNC machines. Feature → Business Impact → Application: A 150 kVA three-phase platform with a 480 V primary and 208Y/120 V secondary standardizes voltage across mixed equipment, enabling safer, faster panel wiring and easier voltage regulation in automation cells. This supports quicker deployment and lower installation risk on assembly lines and plant floors. Feature → Business Impact → Application: NEMA 2 enclosure with a floor-mount footprint and WS61 weather protection delivers reliable indoor performance with easy access for service, minimizing downtime during maintenance and retrofit projects. Feature → Business Impact → Application: DOE 2016 Efficient and UL Listed certification assure regulatory compliance and energy savings, lowering lifetime operating costs and simplifying procurement audits for facilities with strict sustainability targets. Feature → Business Impact → Application: Electrostatic shield and K13 feature provide enhanced insulation and fault tolerance, reducing leakage paths and improving short-circuit resilience, which is valuable for high-density transformer banks near switchgear rooms. Feature → Business Impact → Application: Tap settings (+2.5% and -2.5%) enable fine voltage adjustment to match site load profiles, improving voltage regulation for critical equipment and reducing performance variability on diverse loads.
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FAQs
Yes. This model is designed for floor mounting in controlled indoor environments and uses a durable NEMA 2 enclosure. With a 33.5 inch depth, 38 inch width, and 60 inch height, ensure adequate floor space and clearance for service access. The unit’s weight around 1937 lb requires proper anchoring and vibration isolation. Wiring is connected via 283B, and the tap changer supports +2.5% / -2.5% adjustments for voltage stabilization on site.
The transformer is a 150 kVA three-phase unit with a 480 V primary and 208Y/120 V secondary, operating at 60 Hz. It uses copper windings, has a temperature rise of 80 °C, sound level around 53 dB, and includes a 2-strap tap changer for precise voltage regulation. Insulation is rated to 220 °C, and the winding connection is 283B.
Yes. It carries UL Listing and DOE 2016 Efficient compliance. Catalog notes reference 10 CFR Part 431 (2016) Efficient, and the K-Factor 13 designation supports harmonic mitigation. These certifications help streamline procurement, audits, and long-term energy management across industrial facilities.
Ideal for power management and distribution in manufacturing, processing, and data-center environments. It supports sensitive loads with clean voltage delivery, motor drive conditioning, and phase balancing. The K-factor, copper windings, and robust enclosure make it suitable for floor-mounted installations near switchgear and control panels.
Energy efficiency of DOE 2016 and UL certification reduce operating costs through lower idle losses, while the robust electrostatic shield and tight voltage regulation minimize downtime. With a long service life, copper windings, and a floor-mount footprint, the total cost of ownership improves as preventive maintenance intervals lengthen and system reliability increases.