Eaton N48M28T45CUEE Transformer - NEMA TP-1 Efficient
Part Number: N48M28T45CUEE
Quick Summary
Eaton N48M28T45CUEE is a three-phase transformer delivering reliable 480 V to 208Y/120 V power for industrial equipment. In practice, voltage sags and insulation degradation can disrupt controls, driving up maintenance costs and risking downtime. This UL Listed, NEMA TP-1 compliant unit also features electrostatic shielding and a WS39 weather shield for rugged operation. By combining copper windings with a compact footprint, it provides consistent power delivery while enabling easier integration into existing switchgear and control panels, supporting predictable performance and lower lifecycle costs for modern facilities.
Product Information
Extended Description
N48M28T45CUEE 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, 150°C rise w/ 200°C insulation systeam, 45 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T45CUEE
UPC
786680034442
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
623 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
Coil material
Copper
Frame
914D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T45CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: K-Factor nonlinear ventilated transformer. Benefit: Better handling of nonlinear loads and improved energy efficiency, reducing harmonic impacts on power systems. Application: data centers and manufacturing lines where clean power is essential. This translates to fewer nuisance trips and reduced cooling requirements, supporting uptime and efficiency goals. Feature → Business Impact → Application: Three-phase 45 kVA rating with a 480 V primary and 208Y/120 V secondary delivers sufficient headroom for control panels and motor drives, enabling scalable power distribution across plant floors. Result: improved reliability and simplified panel design, ideal for machine rooms and control enclosures. Feature → Tap settings of 2 at +2.5% and 4 at -2.5% provide voltage regulation to accommodate supply fluctuations, enhancing power quality and reducing equipment stress in dynamic environments. Feature → Copper windings and a 150 °C rise with 200 °C insulation improve thermal performance and long-term durability, supporting harsh industrial conditions and lower maintenance needs. Feature → Electrostatic shielding and WS39 weather shield protect against interference and moisture ingress, enabling outdoor or harsh indoor locations without sacrificing safety. Feature → Compliance and warranty, including UL Listed and NEMA TP-1 compliance with a one-year warranty or 18 months from shipment, offer procurement peace of mind and predictable total cost of ownership.
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FAQs
Install the transformer in a ventilated enclosure on a sturdy rack or pad compatible with the 914D frame. Connect the primary to 480 V three-phase supply and the secondary to 208Y/120 V loads, observing polarity and proper grounding. Use the taps: two at +2.5% and four at -2.5% to adjust voltage under varying supply conditions. Ensure clearances per manufacturer recommendations and follow all local electrical codes.
Key specs include 45 kVA, 60 Hz, three-phase, 480 V primary, 208 Y/120 V secondary, copper windings, 150 °C rise with 200 °C insulation, and a 22 in D x 29 in W x 39 in H footprint. It is UL Listed, NEMA TP-1 compliant, electrostatically shielded, and equipped with WS39 weather shield for rugged environments.
Yes. The unit features an electrostatic shield and a WS39 weather shield, along with NEMA TP-1 efficiency and UL Listing, making it suitable for rugged industrial spaces and certain outdoor or semi-exposed locations when installed in appropriate enclosures.
The transformer measures 22 inches in length, 29 inches in width, and 39 inches in height, with an approximate weight of 623 pounds. Plan for robust mounting, adequate ventilation, and clearance around service access doors during installation in control rooms or equipment rooms.
Eaton offers a one-year warranty from installation or an 18-month warranty from shipment, whichever occurs first, under Selling Policy 25-000. This includes standard product support, access to datasheets, performance specifications, and available replacement parts to minimize downtime.