Eaton N48M28B4916 Transformer - K-Factor 13, UL Listed
Part Number: N48M28B4916
Quick Summary
Eaton N48M28B4916 transformer is a high-efficiency three-phase power distribution transformer for industrial facilities. Many plants struggle with energy waste and heat management, especially under variable loads. This model leverages a K-Factor nonlinear design and DOE 2016 efficiency to reduce losses and improve reliability. It carries UL Listed safety certification, meets DOE efficiency guidelines, and uses a rugged NEMA 2 enclosure for indoor durability. With aluminum windings, a FR945 frame, and 480 V to 208Y/120 V operation, it delivers robust performance while supporting straightforward procurement and maintenance in day-to-day plant operations.
Product Information
Extended Description
N48M28B4916 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR945, 60 Hz, 220°C, 150 kVA , Three-phase, 480 Delta V, 208Y/120 Vac, NEMA ST-20, 80°C, 150 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B4916
UPC
786680191909
Product Length/Depth
33.5 in
Product Height
66.18 in
Product Width
42.18 in
Product Weight
2193 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.
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Frame
FR945
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
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
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 - N48M28B4916
Feature → Business Impact → Application: K-Factor nonlinear ventilated design delivers lower core and copper losses, reducing heat and improving overall energy efficiency in continuous operation environments. This translates to lower utility costs and cooler equipment rooms in manufacturing floors and data-driven facilities. Feature → Business Impact → Application: Aluminum windings and FR945 frame provide durability and corrosion resistance, supporting longer service life and easier field maintenance in harsh industrial spaces. Use this in mid-to-large industrial plants where uptime and lifecycle costs are critical. Feature → Business Impact → Application: 480 V primary and 208Y/120 V secondary voltages simplify integration with common plant power architectures, enabling straightforward panel design, wiring, and protection strategies. Feature → Business Impact → Application: NEMA 2 enclosure protects internal components from dust and moisture, allowing indoor installation in warehouses and production lines without weatherproofing concerns. Feature → Business Impact → Application: Tap settings at +2.5% and -2.5% facilitate voltage regulation to stabilize loads and reduce nuisance faults, improving equipment performance in facilities with fluctuating demand. Feature → Business Impact → Application: 60 Hz operation and 80 °C rise specification support reliable cooling and performance under steady-state and peak loading, enhancing availability in continuous-process environments. Feature → Business Impact → Application: DOE 2016 efficiency and K-factor 13 assist regulatory compliance and sustainability programs, making this transformer suitable for modernization projects. Feature → Business Impact → Application: Heavy 2193 lb weight paired with floor or wall mounting options offers installation flexibility in space-constrained plants while ensuring secure mounting and service access.
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FAQs
The N48M28B4916 is designed for floor or wall mounting, offering installation flexibility in space-constrained plant rooms. Its FR945 frame and substantial weight of approximately 2193 lb mean permanent, secure placement is recommended. Plan for adequate clearance for cooling and maintenance access.
This transformer provides a 480 V primary voltage and a 208Y/120 V secondary with a 150 kVA (150 kVA and 150 kVA rating) three-phase configuration. The 60 Hz rating ensures compatibility with typical North American power systems used in manufacturing and distribution facilities.
Yes. The unit features a NEMA 2 enclosure designed for indoor use, protecting the windings and internal components from dust and moisture typical of industrial settings. UL Listed certification further supports safe indoor operation and compliance with electrical safety standards.
The transformer is UL Listed and complies with DOE 2016 efficiency standards. It also includes features such as a K-Factor 13 and an electrostatic shield option, which support regulatory compliance and improved electrical performance in demanding facilities.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever comes first. The product is supported under Eaton’s policy 25-000, with standard service and parts availability to minimize downtime during maintenance cycles.