Eaton N48M28T75EETR Three-Phase Transformer - UL Listed
Part Number: N48M28T75EETR
Quick Summary
Eaton N48M28T75EETR is a nonlinear ventilated transformer designed for demanding power distribution environments. In many facilities, harmonic-rich loads challenge heat management and voltage stability, driving maintenance, downtime, and costly unscheduled outages. UL Listed certification, a NEMA 2 indoor enclosure, and tested efficiency per NEMA TP-1 reinforce compliance, reliability, and lifecycle value for critical control panels. With 75 kVA capacity and voltage taps at +2.5% and -2.5%, it supports adaptive voltage regulation across applications from machine rooms to panel boards, while easing installation. Designed for indoor plant rooms and industrial cabinets, it aligns with modern automation standards and asset protection strategies. In short, it delivers reliable power, harmonic mitigation, and long-term cost savings for engineers and procurement teams.
Product Information
Extended Description
N48M28T75EETR 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, 75 kVA, EE, TR
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75EETR
UPC
786680103223
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
717 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
Certified Test Report of Standard Production Test (on CMI style), NEMA TP-1 efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
283B
Type
Nonlinear, ventilated transformer
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75EETR
The K-Factor nonlinear design helps absorb harmonic currents, reducing heat in windings and core. This mitigates overheating under harmonic-rich loads and extends insulation life, translating to lower cooling energy and reduced maintenance in factories and data centers. The transformer is rated 75 kVA at 60 Hz, providing ample headroom for mid-size automation panels while preserving footprint. Voltage regulation taps at +2.5% and -2.5% allow precise downstream voltage control, minimizing voltage dips and improving equipment performance in control panels and machine rooms. With 480 V primary and 208Y/120 V secondary, the unit supports compact distribution blocks and scalable panels, while aluminum windings offer corrosion resistance and reliability. The NEMA 2 indoor enclosure, electrostatically shielded construction, and 283B wiring compatibility simplify installation in busy environments. UL Listed certification, certified test reports, and NEMA TP-1 efficiency labeling reduce procurement risk and support lifecycle value for industrial facilities.
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FAQs
Plan for indoor installation with a NEMA 2 enclosure, providing protection against dust and light moisture. Ensure adequate clearance for cooling, access to the 283B wiring connection, and mounting on a rigid base compatible with the 916A frame. Consider limited footprint in restricted spaces and verify electrical room ventilation to maintain performance during high harmonic loads.
This is a 75 kVA, three-phase transformer operating at 60 Hz with a 480 V primary and a 208Y/120 V secondary. It features voltage taps at +2.5% and -2.5% for precise regulation, aluminum coil material, and an electrostatically shielded design. The unit is UL Listed and rated for indoor, controlled environments in demanding automation applications.
Yes. The transformer employs K-Factor nonlinear design to manage harmonic currents, reducing overheating and improving voltage stability in facilities with motor drives and rectifier loads. This leads to longer component life, fewer unplanned maintenance events, and more consistent performance across critical loads in manufacturing and processing environments.
The unit is UL Listed for safety compliance and carries a NEMA TP-1 efficiency designation, indicating efficient performance under typical load profiles. It also uses a NEMA 2 enclosure suitable for indoors, with an electrostatically shielded construction to enhance fault protection in busy electrical rooms.
Owners can expect improved uptime from better harmonic management and voltage regulation, reduced cooling energy due to lower temperature rise, and fewer unplanned outages. The aluminum windings and robust frame simplify service and replacement, while the included test reports and warranties provide assurances that support lifecycle cost savings and a favorable total cost of ownership in industrial facilities.