Eaton N48M28T15 K-Factor ventilated transformer - UL Listed
Part Number: N48M28T15
Quick Summary
The N48M28T15 is a K-Factor nonlinear ventilated transformer for three-phase power distribution. This unit addresses heat, harmonic stress, and reliability challenges common in dense electrical rooms with robust cooling and adjustable taps to balance loading. It carries UL Listed certification and integrates aluminum windings, an electrostatic shield, and a rugged 912B frame designed for demanding environments, with a 150 °C rise rating. Primary voltage is 480 V and secondary is 208Y/120 V, delivering 15 kVA for medium-size distribution panels. With 60 Hz operation, WS38 weather protection, and Eaton’s warranty framework, it offers dependable performance and straightforward installation within existing power systems.
Product Information
Extended Description
N48M28T15 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 480V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 15 kVA, Al windings, Elec. Shield, Frame: 912B
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T15
UPC
786680060816
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
257 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
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
912B
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
15 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS38
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T15
Feature: K-Factor nonlinear ventilated design reduces heat buildup and harmonic heating under nonlinear loads. Benefit: Enhanced reliability in panels and switchgear, lower maintenance costs, and longer asset life in high-harmonic environments. Application: Data centers, manufacturing floors, and automated facilities where nonlinear loads are common. Feature: Three-phase 15 kVA rating with 480 V primary and 208Y/120 V secondary. Benefit: Stable voltage delivery for control cabinets and distribution panels, improving equipment performance and reducing voltage-related downtime. Application: Industrial automation and machine control rooms. Feature: Tap settings—2 at +2.5% FCAN and 4 at -2.5% FCBN—for precise voltage regulation. Benefit: Fine-tuned loading, improved efficiency, and reduced regulator steps. Application: Systems with variable loading profiles. Feature: Aluminum windings, electrostatic shield, 912B frame, and WS38 weather protection. Benefit: Durable construction, reduced stray capacitance, and outdoor or harsh-environment compatibility. Application: Outdoor substations and rugged industrial installations. Feature: UL Listed certification and Eaton warranty. Benefit: Compliance assurance and predictable service life with supported replacement parts and service. Application: Procurement and long-term planning in maintenance-heavy facilities.
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FAQs
The N48M28T15 uses the 912B frame and accommodates a 16.5 inch depth, 23 inch width, and 30 inch height, with an approximate weight of 257 lb. It fits standard mounting footprints and can be mounted in many Eaton or third-party switchgear configurations. Plan for WS38 weather protection and ensure proper clearance for tapping connections and ventilation, while leveraging the UL Listed certification for compliance.
This transformer is a K-Factor nonlinear unit rated at 15 kVA with a 480 V primary and 208Y/120 V secondary. It operates at 60 Hz and includes two +2.5% taps and four -2.5% taps to fine-tune voltage under varying loading. Aluminum windings and an electrostatic shield help reduce losses and interference, delivering stable voltage and reliable service in mixed-harmonic environments.
Yes, the N48M28T15 is equipped with WS38 weather protection and a rugged 912B frame, making it suitable for outdoor or harsh industrial settings where reliability is critical. The aluminum windings and electrostatic shield contribute to durable performance, while UL Listed certification supports regulatory compliance for outdoor and indoor installations alike.
The N48M28T15 is UL Listed, affirming compliance with safety and performance standards essential for industrial transformers. This certification reduces procurement risk, simplifies integration with existing compliant equipment, and supports warranty and service commitments from Eaton.
Eaton offers a warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. This, combined with standard spare parts availability and ongoing technical support, helps lower lifecycle costs and improves return on investment by reducing unexpected downtime and improving maintenance planning.