Eaton N48M28B1516LS42 Transformer - UL Listed
Part Number: N48M28B1516LS42
Quick Summary
The Eaton N48M28B1516LS42 transformer is a reliable three‑phase power distribution solution for 480 V to 208Y/120 V systems in industrial facilities. In dense plant environments, engineers often struggle to meet DOE 2016 efficiency targets without sacrificing installation flexibility or serviceability. This unit delivers UL Listed certification and DOE 2016 Efficient compliance, packaged in a rugged NEMA 2 enclosure with aluminum windings to withstand harsh conditions. For industrial automation and power distribution upgrades, the combination of K-Factor 13 performance, compact footprint, and predictable voltage regulation translates to lower operating costs and easier compliance with standards.
Product Information
Extended Description
N48M28B1516LS42 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220C, 15 kVA, Three-Phase, 480 to 208Y/120, 80C rise, Shielded, DOE 2016, WS58, 283B, K13, 42 dB
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B1516LS42
UPC
786680244636
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
405 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
940
Insulation
220 °C
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
15 kVA
Volt ampere rating
15 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
42 dB
Temperature rise
80 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS58
K-Factor nonlinear ventilated design with aluminum windings yields reduced I²R losses under nonlinear loads, lowering heat generation and extending component life in motor drives and control panels. This improves system reliability and reduces cooling requirements in crowded electrical rooms, which is critical for uptime in automation environments. The transformer’s 60 Hz operation, 15 kVA rating, and three‑phase configuration provide predictable performance for critical loads such as CNC machines, robotics cells, and process controls, while supporting easy integration with existing 480 V primary and 208Y/120 V secondary circuits. The electrostatic shield modification minimizes EMI and noise coupling, enhancing signal integrity in nearby control equipment and PLC networks. With a NEMA 2 enclosure and WS58 weather shield options, installation and protection are straightforward in both indoor and semi-exposed spaces, aligning with site safety and durability expectations. Tap settings at two at +2.5% and four at -2.5% enable precise voltage regulation to maintain load voltage within tolerance during input fluctuations, reducing the risk of undervoltage or overvoltage trips in sensitive equipment. These features collectively drive efficiency gains, reduce maintenance cycles, and support compliant, quieter operation in manufacturing automation and distribution environments.
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FAQs
The N48M28B1516LS42 is a three‑phase transformer designed for 480 V primary and 208Y/120 V secondary, with a NEMA 2 enclosure suitable for floor or wall mounting. Ensure mounting clearance per enclosure guidelines, verify compatible 283B wiring connections, and provide appropriate access for maintenance. Use the +2.5% and -2.5% tap settings to optimize voltage under load and input variations. The unit’s compact footprint and robust construction simplify retrofits in industrial automation panels.
Key specifications include a 15 kVA rating, 60 Hz frequency, three‑phase configuration, primary voltage of 480 V, secondary voltage of 208Y/120 V, aluminum windings, 80 °C rise insulation, and a sound level of 42 dB. It also features a K-Factor 13 design, DOE 2016 efficiency, and a shielded construction to reduce EMI, making it suitable for non-linear loads in automation equipment.
Yes. Its 15 kVA three‑phase rating, 480 V to 208Y/120 V conversion, K-Factor 13 design, and DOE 2016 efficiency make it ideal for automation panels, drives, robotics, and CNC systems. The aluminum windings and shielded core support reliability under non-linear loads, while the NEMA 2 enclosure and tap settings provide practical installation and voltage regulation in busy manufacturing environments.
The N48M28B1516LS42 is UL Listed and complies with DOE 2016 Efficient standards. It carries a 10 CFR Part 431 Efficient designation and uses a rugged NEMA 2 enclosure for protected operation in standard industrial settings. These certifications help ensure safety, energy performance, and regulatory alignment for plant upgrades and new installations.
Energy efficiency (DOE 2016) reduces I²R losses and cooling load, yielding lower utility and chiller costs over the life of the transformer. The aluminum windings and robust enclosure minimize maintenance needs, while the voltage regulation taps reduce risk of equipment trips caused by supply fluctuations. Overall, customers typically realize lower operating costs and improved uptime in production lines and automation systems.