Eaton N48M28B49CUEELS47 Transformer - NEMA TP-1 Efficient
Part Number: N48M28B49CUEELS47
Quick Summary
Eaton K-Factor nonlinear ventilated transformer powers reliable three-phase distribution in industrial facilities. Engineers often struggle with harmonic distortion, overheating, and noise when scaling from 480 V to 208Y/120 V without robust cooling. UL Listed and NEMA TP-1 compliant, with an 80 °C rise and electrostatically shielded construction, help ensure safety and reliability. This transformer’s rugged copper windings and heavy frame support long service, predictable startup, and scalable integration in OEM lines and distribution centers. Designed for straightforward operation and low-noise performance, it enables efficient maintenance cycles while supporting reliable power delivery across diverse industrial applications.
Product Information
Extended Description
N48M28B49CUEELS47 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 80°C rise, 150 kVA, Copper windings, EE, LS47
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B49CUEELS47
UPC
786680046155
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1821 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
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
Nema TP-1 efficient, Low sound equal to 47 dB
Coil material
Copper
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
80 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28B49CUEELS47
Feature: K-Factor nonlinear ventilated design addresses harmonic currents and heat under non-linear loads, maintaining output within specification. Business Impact: reduces overheating, improves efficiency, and extends transformer life in dense industrial environments. Application: ideal for facilities with drives, welders, and mixed loads where reliable voltage regulation is critical. Paragraph 2: Feature: Copper windings in a robust frame deliver high electrical conductivity and durable construction. Business Impact: lowers losses, supports higher short-circuit withstand, and minimizes temperature rise for stable operation. Application: suited for 150 kVA class installations in manufacturing and processing plants. Paragraph 3: Feature: Tap changes of 2 at +2.5% and 4 at -2.5% enable precise voltage regulation. Business Impact: maintains equipment performance during supply fluctuations, reduces downtime, and protects sensitive controls. Application: essential for PLCs, CNCs, and automated asset protection. Paragraph 4: Feature: Compliance and quiet operation with NEMA TP-1 efficiency and ULListed certification plus electrostatic shielding. Business Impact: simplifies procurement, reduces noise-related complaints, and mitigates EMI in control rooms. Application: ideal for indoor switchgear rooms and outdoor installations with WS34 weather shielding. Paragraph 5: Feature: Physical ruggedness including 30.68 in length, 62.18 in height, 31.44 in width, and 1821 lb weight with WS34 weather shield. Business Impact: straightforward installation in tight spaces, reliable long-term service, and robust performance in harsh environments. Application: suitable for industrial facilities, data centers, and OEM power distribution installations.
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FAQs
Yes. The unit uses a standard 3-phase footprint with a 918A frame and dimensions of 30.68 in L, 62.18 in H, and 31.44 in W. For outdoor or harsher environments, WS34 weather shielding and proper base mounting are recommended to ensure safe, code-compliant installation.
The transformer is rated at 150 kVA, with a 480 V primary and 208Y/120 V secondary, operating at 60 Hz. It features copper windings, 80 °C rise, and taps at +2.5% and -2.5% for voltage regulation, supporting stable output under load variations.
Yes. It is UL Listed and NEMA TP-1 compliant, with low sound output (47 dB) and an electrostatic shield to reduce EMI, aligning with common industrial procurement and safety requirements.
Ideal for manufacturing floors, data centers, and automation systems where harmonic loads and precise voltage control are present. Its robustness, tunable taps, and quiet operation make it suitable for control rooms, machine shops, and OEM equipment racks.
Warranty details specify one year from installation or 18 months from shipment, whichever comes first. Regular maintenance should focus on cooling paths, insulation integrity, and verifying tap connections to sustain performance over the service life.