Eaton N48M28B3016TR K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N48M28B3016TR
Quick Summary
Eaton N48M28B3016TR K-Factor nonlinear ventilated transformer is designed to deliver reliable, efficient power distribution for industrial facilities with non-linear loads. Many plants struggle with energy waste, voltage variability, and space constraints that disrupt production and increase downtime. This unit meets DOE 2016 efficiency standards and carries UL Listed certification along with a rugged NEMA 2 enclosure for indoor use. With aluminum windings, a 30 kVA rating, floor or wall mounting, and a 480 V to 208Y/120 V output, it supports precise voltage management and scalable expansion. Together these features help lower operating costs, improve reliability, and simplify compliance in modern manufacturing environments.
Product Information
Extended Description
N48M28B3016TR Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, 60 Hz, 220°C, 30 kVA, Floor or wall , Three-phase, 480 Delta V, 208Y/120 Vac, NEMA ST-20, 80°C, 30 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B3016TR
UPC
786680204067
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 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
30 kVA
Volt ampere rating
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
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 test report of standard production tests for the specific serial number to be shipped
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 - N48M28B3016TR
Selling Policy 25-000 - Distribution and Control Products and Services
K-Factor nonlinear ventilated design reduces harmonic losses and improves overall efficiency, translating into tangible energy savings for facilities with non-linear loads such as VFDs and servo drives. The business impact is lower operating costs and cooler equipment, which means less cooling load and higher uptime. This makes it ideal for plant floors and service centers where space and cooling matters. Aluminum windings reduce weight and simplify handling during installation while resisting corrosion in harsh environments. The result is easier service, shorter outage windows, and safer maintenance. This transformer supports floor- or wall-mounted installations, which streamlines retrofits in crowded electrical rooms. DOE 2016 Efficient and UL Listed compliance provide regulatory alignment and reliable performance under fluctuating loads. The certifications can support utility rebates and procurement conversations with OEMs. The design also complies with 10 CFR Part 431 Energy Efficiency and NEMA ST-20 sound expectations for industrial equipment. 30 kVA rating with 480 V primary and 208 Y/120 V secondary fits common industrial distributions, minimizing wiring and integration complexity. The voltage-tap options (+2.5% and -2.5%) enable fine-tuning to match loads, improving voltage regulation and reducing equipment stress. This reduces flicker and improves reliability for sensitive automation gear. NEMA 2 enclosure, 80 °C insulation, and 60 Hz operation are tailored for indoor factory environments, delivering robust protection against dust and moisture while maintaining efficiency. Floor- or wall-mounting, plus a compact footprint, simplifies installation in constrained spaces. Together, these features support faster commissioning and scalable deployment across multiple lines.
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FAQs
The N48M28B3016TR is designed for industrial power distribution with non-linear loads. It provides 30 kVA capacity, 480 V primary, and 208Y/120 V secondary in a three-phase, 60 Hz package. Its K-Factor nonlinear ventilated design helps manage harmonics, while the NEMA 2 enclosure suits indoor installations and UL/DOE 2016 compliance supports regulatory requirements.
Key specs include 30 kVA rating, 480 V primary, 208Y/120 V secondary, three-phase, 60 Hz, aluminum windings, insulation rated at 220 °C, and a temperature rise of 80 °C. Tap settings are +2.5% and -2.5%. Enclosure is NEMA 2, and the unit is UL Listed with DOE 2016 efficiency, making it suitable for indoor distribution near sensitive equipment.
Yes. The transformer comes with a NEMA 2 enclosure for indoor protection, plus floor- or wall-mounting options to fit constrained spaces. Its compact footprint and favorable wiring configuration simplify retrofits and new installs in machine rooms or production floors, while maintaining energy efficiency and compliance with modern standards.
This model is UL Listed and DOE 2016 Efficient, with additional compliance notes including 10 CFR Part 431. These certifications ensure safety, reliability, and energy efficiency, potentially unlocking utility incentives and simplifying procurement discussions with OEMs. The NEMA ST-20 sound rating also provides predictable noise performance for installation in commercial or manufacturing environments.
Maintenance is typical for dry-type transformers, with emphasis on periodic inspection of connections and enclosure integrity. The 30 kVA rating and DOE 2016 efficiency reduce operating costs through lower energy consumption, while UL listing and robust enclosure support longer service life. Voltage taps at +2.5% and -2.5% help sustain voltage regulation, reducing equipment stress and downtime across lines.