Eaton N48M28B3016LS45 Transformer - UL Listed
Part Number: N48M28B3016LS45
Quick Summary
Eaton N48M28B3016LS45 transformer delivers efficient 30 kVA voltage conversion for industrial power distribution. Facilities often battle energy waste, voltage sag, and the challenge of meeting evolving compliance requirements in limited spaces. This unit is UL Listed and DOE 2016 efficient, with 10 CFR Part 431 Efficient compliance to support regulatory risk reduction. Aluminum windings, a NEMA 2 enclosure, electrostatic shield, and a compact footprint enable reliable, cost-effective installation in machine rooms, panels, and distribution centers. By delivering consistent secondary voltage 208Y/120 V from a 480 V primary, it reduces downtime and improves downstream equipment performance, translating to lower maintenance and energy costs. Designed for floor or wall mounting and rugged environments, it integrates easily with existing power distribution infrastructure.
Product Information
Extended Description
N48M28B3016LS45 Eaton: Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220C, 30 kVA, Three-Phase, 480 to 208Y/120, 80C rise, Shielded, DOE 2016, WS58, 283B, K13, 45 dB
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B3016LS45
UPC
786680244117
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
420 lb
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, upright only
Tap size
2 at +2.5%, 4at -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
45 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
Special features
K-factor 13
Weathershield
WS58
Feature: K-Factor nonlinear ventilated transformer with K13 design improves tolerance to harmonic loads. Business Impact: Reduces heating losses and extends component life under non-linear loads, lowering maintenance costs. Application: Drives reliability in drives, inverters, and facility power lines where harmonics are common. Feature: Aluminum windings reduce weight and material cost while maintaining conductor performance. Business Impact: Easier handling during installation and lower shipping costs, plus corrosion resistance for indoor use. Application: Factory floors, switchgear rooms, and distribution cabinets. Feature: DOE 2016 Efficient rating along with 80 °C rise specification. Business Impact: Lower energy consumption and cooler operation, supporting regulatory compliance and long-term operating cost savings. Application: Continuous operation environments like manufacturing lines and data centers. Feature: NEMA 2 enclosure and robust mounting options. Business Impact: Reliable protection against indoor dust and moisture with flexible placement. Application: Indoor installations, service bays, and panel assemblies. Feature: Tap sizing of 2 at +2.5% and 4 at -2.5% provides voltage regulation. Business Impact: Tighter voltage control improves downstream equipment performance and reduces spare-part stress. Application: Equipment requiring precise voltage for sensors and controls. Feature: Electrostatic shield, WS58 weather shield, and 283B wiring connection. Business Impact: EMI suppression and resilient installation in controlled environments, with straightforward wiring. Application: Control panels, machine rooms, and distribution panels.
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FAQs
This model supports floor or wall mounting with upright orientation in indoor environments. Plan for adequate clearance around the 21.13 in depth, 24.88 in width, and 36.88 in height, and ensure secure mounting to a stable surface. Use the 283B wiring connection and verify NEMA 2 enclosure protection to maintain compliance and minimize thermal buildup.
Key specs include a 30 kVA three-phase rating, primary 480 V and secondary 208Y/120 V, 60 Hz operation, 80 °C rise, and a 45 dB sound level. Tap settings are 2 at +2.5% and 4 at -2.5%, with K-Factor 13 for non-linear loads. The unit also adheres to DOE 2016 efficiency and includes an electrostatic shield.
Yes. With DOE2016 efficient performance, UL Listing, and a compact footprint, it supports reliable power delivery for data centers and manufacturing floors. Its non-linear load tolerance (K-Factor 13), voltage regulation via taps, and shielded construction help minimize harmonic distortion, protect sensitive equipment, and reduce cooling and maintenance costs in demanding environments.
The transformer is UL Listed and compliant with 10 CFR Part 431 Efficient standards, along with DOE 2016 efficiency requirements. This combination provides regulatory confidence for facility managers seeking energy-efficient, certified power conversion in indoor industrial spaces.
DOE 2016 efficiency reduces no-load and load losses, delivering lower energy bills over time. The K-Factor 13 capability mitigates harmonic heating, improving uptime and extending component life. Combined with aluminum windings and a shielded design, you can expect lower cooling requirements, reduced spare parts wear, and longer intervals between maintenance in continuous operation environments.