Eaton N48M28B1516 K-Factor nonlinear transformer UL-listed
Part Number: N48M28B1516
Quick Summary
Eaton N48M28B1516 K-Factor nonlinear ventilated transformer delivers efficient 15 kVA power for three-phase industrial systems. Facilities grapple with heat, energy waste, and regulatory hurdles when upgrading power distribution in demanding environments. UL-listed, DOE 2016 Efficient, and 10 CFR Part 431 Efficient compliance help reduce operating costs while ensuring reliability. Designed for floor or wall mounting in rugged settings, it supports scalable installations and easy integration with low-voltage dry-type distribution transformers across production lines.
Product Information
Extended Description
N48M28B1516 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 15 kVA , Three-phase, 480 Delta V, 208Y/120 Vac, NEMA ST-20, 80°C, 15 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B1516
UPC
786680191800
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
405 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
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
940
Insulation
220 °C
Material
Al windings
Mounting
Floor or wall
Tap size
2 at +2.5%, 4 at -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
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
Weathershield
WS58
Eaton's low-voltage dry-type distribution transformers
Eaton's low-voltage dry-type distribution transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28B1516
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Three-phase 15 kVA rating with 480 V primary and 208Y/120 V secondary. Benefit: Delivers reliable power for industrial equipment with tight voltage regulation, reducing downtime and extending equipment life. Application: Manufacturing lines and control panels needing stable three-phase power supply. Feature: Aluminum windings. Benefit: Lower material costs and improved heat dissipation, contributing to overall energy efficiency. Application: Variable-load environments where thermal management impacts performance. Feature: NEMA 2 enclosure. Benefit: Robust indoor protection against dust and light moisture, enabling safer installation in factory floors. Application: Enclosed electrical rooms and harsh plant environments. Feature: Tap size options (2 at +2.5%, 4 at -2.5%). Benefit: Precise voltage regulation under fluctuating input conditions, reducing secondary voltage variation. Application: Critical equipment fed from 480 V mains. Feature: Electrostatic shield modification. Benefit: Reduces electrical noise and interference between windings, improving control accuracy. Application: Sensitive automation and PLC-based systems. Feature: DOE 2016 Efficient and UL Listed. Benefit: Demonstrates regulatory compliance and energy efficiency, lowering operating costs and simplifying procurement. Application: Projects with strict energy targets and supplier qualification needs. Feature: Weathershield WS58 option and 80 °C rise rating. Benefit: Enhanced environmental resilience and predictable thermal performance under heavy loads. Application: Industrial installations with variable ambient temperatures.
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FAQs
The N48M28B1516 is designed for floor or wall mounting and ships with a sturdy NEMA 2 enclosure suitable for indoor environments. Its versatile footprint supports both retrofit and new builds in control rooms or equipment housings. When space is limited, its compact 21.13 in depth and 24.88 in width can fit common equipment layouts, while maintaining accessibility for service and testing.
Key specs include a 15 kVA three-phase rating, 480 V primary, 208Y/120 V secondary, and 60 Hz operation. It features aluminum windings, 220 °C insulation, and an 80 °C temperature rise. A tap changer provides ±2.5% voltage adjustment (2 taps at +2.5% and 4 taps at -2.5%), enabling tighter voltage regulation in variable supply conditions.
Yes. The N48M28B1516 complies with DOE 2016 efficiency requirements and is UL Listed, ensuring regulatory alignment and safety. The catalog notes also reference 10 CFR Part 431 efficiency. This combination supports lower energy costs and procurement confidence for regulated industrial environments.
Ideal for industrial control panels, machine tool circuits, and process equipment requiring stable 480 V to 208Y/120 V power. Its K-Factor design, electrostatic shield, and compact footprint suit manufacturing lines, data centers, and automation projects where reliability, energy efficiency, and regulated power quality are critical to performance and ROI.
Plan for routine verification of voltage regulation with the 2/4-tap changer and inspection of the aluminum windings and enclosure seals. The DOE 2016 efficiency and UL listing support reduced energy costs and compliance-related savings over the life of the asset. The electrostatic shield and insulation ratings contribute to long-term reliability and lower maintenance interruptions.