Eaton N48M28T30LS42 Transformer - UL Listed 3-Phase
Part Number: N48M28T30LS42
Quick Summary
An Eaton K-Factor nonlinear ventilated transformer delivers reliable power conditioning for 3-phase industrial facilities. Engineers contend with heat, noise, and voltage taps under varying loads; this unit offers a low 42 dB sound profile and precise taps. UL Listed certification ensures safety compliance and supports installation within standard electrical enclosures. With a 30 kVA rating at 60 Hz and three-phase operation, it is well suited for plant distribution, automation panels, and data centers. The WS38 WeatherShield, aluminum windings, and 150°C rise contribute to rugged durability, while the compact mounting footprint and Eaton support streamline installation and maintenance.
Product Information
Extended Description
N48M28T30LS42 Eaton: K-Factor Non Linear Transformer, Ventilated, K-13, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 150°C, 30 kVA , Al windings, Elec. Shield, Frame: 912B, uses WS38
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T30LS42
UPC
786680025846
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
318 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
Low sound equal to 42 dB
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
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 42 dB
Special features
Electrostatically Shielded
Weathershield
WS38
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T30LS42
Feature: K-Factor nonlinear ventilated design minimizes hotspot heating under non-linear loading. Business Impact: Improves reliability and extends transformer life, reducing maintenance costs and downtime. Application: servo drives and non-linear loads in automation panels where voltage regulation is critical.Feature: 30 kVA rating with 480 V primary and 208Y/120 V secondary enables direct feeding of common plant equipment. Business Impact: Simplifies panel design, reduces required interconnections, and lowers wiring costs. Application: motor control centers and distribution panels in manufacturing facilities.Feature: Tap settings 2 at +2.5% and 4 at -2.5% enable precise voltage regulation under fluctuating supply or load conditions. Business Impact: Maintains output accuracy, mitigates equipment stress, and improves overall system efficiency. Application: facilities with variable loads or long feeders.Feature: Low noise (42 dB) and WS38 WeatherShield support installation in restricted spaces and outdoors. Business Impact: Enables placement in control rooms or outdoor equipment racks without acoustic or environmental penalties. Application: data centers, outdoor substations, and compact switchgear housings.Feature: Aluminum windings and 912B frame with 150°C rise provide durability and compatibility with standard enclosures. Business Impact: Corrosion resistance, lighter weight, easier installation, and robust performance under high ambient temperatures. Application: rugged industrial environments requiring reliable long-term operation.
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FAQs
The N48M28T30LS42 weighs 318 lb with dimensions of 16.5 in L, 23 in W, and 30 in H, requiring a suitable enclosure or stand. Its 912B frame and WS38 weather shield support mounting in both indoor racks and outdoor sites. Plan for adequate clearance for ventilation and service access, and ensure alignment with 3-phase, 60 Hz power systems.
Key specs include a 30 kVA K-Factor nonlinear design, 480 V primary, 208Y/120 V secondary, 60 Hz frequency, and three-phase configuration. Tap settings are 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN. It features aluminum windings, an electrostatic shield, and a temperature rise of 150 °C for demanding environments.
Yes. The WS38 weather shield and aluminum windings enable outdoor and rugged indoor applications, while the 42 dB low-noise profile supports use near occupied spaces. Its UL Listed certification adds safety compliance for electrical assemblies. The 3-phase, 60 Hz design matches standard industrial distribution practices and simplifies integration with control panels and MCCs.
The N48M28T30LS42 carries UL Listed certification, indicating compliance with essential safety standards for electrical equipment. UL listing helps ensure safe installation within panelboards, switchgear, and enclosures, reducing compliance risk in regulated facilities. This transformer is designed for reliable operation in demanding industrial environments while meeting recognized safety requirements.
With a 30 kVA rating and non-linear load tolerance, the transformer reduces nuisance tripping and voltage fluctuation, supporting higher equipment uptime and energy efficiency. Maintenance is typically limited to routine inspections of connections, enclosure seals, and cooling paths; the aluminum windings and 150 °C rise design contribute to long service life and lower replacement costs over time.