Eaton N48M28T45SRTRS64X-US Transformer - UL Listed
Part Number: N48M28T45SRTRS64X-US
Quick Summary
Engineered Eaton N48M28T45SRTRS64X-US transformer delivers 45 kVA three‑phase power for industrial distribution panels. Many facilities struggle with harmonic distortion and overheating from non‑linear loads, making reliable power conversion essential. This unit carries UL Listed certification and is built with a rugged NEMA 4X enclosure and CASE C+ frame to withstand harsh environments. Its aluminum windings and a 150°C rise support durable, high‑temperature operation in demanding control cabinets, while a 480V primary to 208Y/120V secondary configuration simplifies wiring. For OEMs and end users, the included sound/test reports streamline compliance documentation and reduce field troubleshooting time.
Product Information
Extended Description
N48M28T45SRTRS64X-US Eaton: EATON LOW VOLTAGE VENTILATED TRANSFORMER, K-FACTOR-NON-LINEAR 45 KVA, 60 HZ, ALUMINUM, 3-PHASE, 480 DELTA, 208Y/120V, NEMA ST-20, 150°C RISE, CASE C+, 220°C, 2 at +2.5% FCAN, 4 at -2.5% FCBN
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T45SRTRS64X-US
UPC
786689907037
Product Length/Depth
21.75 in
Product Height
40.5 in
Product Width
36.5 in
Product Weight
667 lb
Certifications
UL Listed
Coil material
Aluminum
Frame
CASE C+
Insulation
220 °C
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
45 kVA
Phase
Three-phase
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Efficiency
Exempt
Special features
MADE IN AMERICA, NEMA 4X ENCL, TEST REPORTS FOR SOUND AND ROUTINE INCLUDED
The K‑Factor nonlinear ventilated design targets harmonic currents common in modern facilities, reducing overheating and extending equipment life. This translates to fewer unplanned outages and lower maintenance costs as drives and controllers operate within tighter voltage tolerance. With a 45 kVA three‑phase core, the transformer supports multiple downstream loads from automation gear to machine tools, enabling compact, centralized power distribution in control rooms and switchgear. Aluminum windings paired with the CASE C+ frame offer corrosion resistance and robust heat dissipation, delivering reliable service in factory floors and outdoor environments when paired with the NEMA 4X enclosure. Tap settings—2 at +2.5% FCAN and 4 at -2.5% FCBN—allow precise voltage regulation during startup surges or load changes, reducing nuisance trips and equipment stress. UL Listed certification, NEMA ST‑20 sound rating, and the included test reports simplify compliance packs and commissioning. The unit’s dimensions (21.75 in depth, 36.5 in width, 40.5 in height) and a 667 lb weight enable predictable space planning and straightforward retrofit in existing panels, while its Made in America pedigree supports supplier diversity goals and traceability.
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FAQs
Install in a ventilated, accessible area with clearances for cooling and servicing. The unit measures 21.75 in deep, 36.5 in wide, and 40.5 in high and weighs 667 lb, so plan for a sturdy foundation or rack mounting. Use the NEMA 4X enclosure in harsh environments, and ensure input wiring accommodates 480V delta while secondary is wired to 208Y/120V.
The N48M28T45SRTRS64X-US employs a K‑Factor nonlinear design to handle harmonic currents without excessive cooling or voltage distortion. Aluminum windings and a CASE C+ frame support efficient heat dissipation, while a 150 °C rise tolerance ensures reliability under peak loads common to drives and automation equipment.
Yes. It supports 480V delta primary input and 208Y/120V secondary outputs, suitable for centralized power distribution in panels and automation cabinets. With 60 Hz operation and 45 kVA rating, it can accommodate multiple downstream loads, and the 2 at +2.5% and 4 at -2.5% taps help maintain voltage under varying load conditions.
The unit is UL Listed and ships with sound and routine test reports for commissioning and compliance. It features a NEMA 4X enclosure for rugged environments, a NEMA ST‑20 sound rating, and MADE IN AMERICA construction, supporting procurement and regulatory requirements for industrial facilities.
Expect long service life due to robust aluminum windings, CASE C+ frame, and a protective NEMA 4X enclosure. The K‑Factor design reduces harmonic heating, lowering maintenance cycles, while the documented test data eases inspections. Although efficiency is listed as Exempt, reliable cooling, voltage regulation with taps, and built‑in protection contribute to reduced downtime and predictable operating costs.