Eaton N48M28B4916SRLS50 Transformer - UL Listed, 150 kVA
Part Number: N48M28B4916SRLS50
Quick Summary
The Eaton N48M28B4916SRLS50 transformer provides energy-efficient power conversion for industrial controls and power distribution. Operators and engineers struggle with rising energy costs and strict regulatory requirements, seeking reliable efficiency without sacrificing performance. This model carries UL Listed, DOE 2016 Efficient, and NEMA 2 protection, aligning safety, efficiency, and environmental needs. With aluminum windings, a K-Factor 13 rating, and floor-or-wall mounting, it trims energy costs while simplifying installation. This combination supports reliable power distribution in manufacturing cells, control panels, and industrial automation networks. Customers appreciate predictable load performance, easier compliance documentation, and extended service life in harsh plant environments. By combining compliant efficiency with robust electrical specifications, the N48M28B4916SRLS50 supports digital transformation and uptime.
Product Information
Extended Description
N48M28B4916SRLS50 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, 60 Hz, 220°C, 150 kVA, Floor or wall , Three-phase, 480 Delta V, 208Y/120 Vac, Low sound 50 dB, 80°C, 150 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B4916SRLS50
UPC
786680203930
Product Length/Depth
33.5 in
Product Height
66.18 in
Product Width
42.18 in
Product Weight
1.1 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Insulation
220 °C
Mounting
Floor or wall
Tap size
2 at +2.5%, 4 at -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
50 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, certified sound level test report
Special features
K-factor 13
Eaton's high-efficiency dry-type transformers
Eaton's high-efficiency dry-type transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28B4916SRLS50
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: DOE 2016 efficient design reduces core and winding losses across typical load profiles. Business Impact: lowers operating energy consumption and cooling requirements, reducing total cost of ownership. Application: ideal for continuous-duty manufacturing lines and industrial control panels that demand stable voltage with minimal heat.Feature: K-Factor 13 nonlinear capability and aluminum windings. Business Impact: improves harmonic handling and reduces copper loss, enabling reliable operation with power electronics and rectifier-heavy loads. Application: data-acquisition systems, PLCs, and drive-equipped equipment where non-linear loading is common.Feature: NEMA 2 enclosure with a low 50 dB sound profile. Business Impact: provides indoor protection and quieter operation in crowded plant spaces, easing installation and compliance with noise limits. Application: electrical rooms, switchgear aisles, and machine footprints near operators.Feature: Tap size options of 2 at +2.5% and 4 at -2.5% for voltage regulation. Business Impact: maintains voltage stability across supply fluctuations, reducing equipment stress and outage risk. Application: facilities with varying mains quality or distant feeders.Feature: Electrostatic shield option and certified sound level test support. Business Impact: mitigates EMI, enhances filter performance, and accelerates regulatory documentation. Application: environments with sensitive electronics or strict EMI/EMC requirements, plus DOE and UL compliance workflows.
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FAQs
This unit is designed for a three-phase system with a 480 V primary and 208Y/120 V secondary at 60 Hz. It features taps at +2.5% and -2.5% for voltage adjustment and is mounted in a floor-or-wall configuration. The enclosure is NEMA 2 for indoor protection, with a nominal sound level of 50 dB, simplifying installation in standard electrical rooms.
The N48M28B4916SRLS50 is UL Listed and DOE 2016 Efficient compliant. It also references 10 CFR Part 431 (2016) Efficient notes and carries a reliable warranty policy. These certifications support regulatory compliance, energy efficiency goals, and procurement due diligence for regulated environments.
K-Factor 13 indicates the transformer is designed to handle nonlinear harmonic currents without excessive overheating or voltage distortion. This enhances reliability in systems with power electronics and drives, reducing risk of overheating while maintaining voltage integrity across the secondary.
Yes. With a 150 kVA rating, 480 V to 208Y/120 V outputs, low noise at 50 dB, and a compact ventilated dry-type design, it suits data centers, manufacturing cells, and control panels. Aluminum windings and high insulation ratings support long service life in demanding environments, while the floor-or-wall mounting eases installation.
Expect energy savings from DOE 2016 efficiency, reduced cooling load due to lower heat output, and a longer service life from robust insulation and aluminum windings. The UL listing and electrostatic shield option also help minimize EMI concerns, potentially lowering maintenance costs and extending uptime in critical production lines.