Eaton N48M28T75ZEE Transformer - NEMA TP-1 Compliant
Part Number: N48M28T75ZEE
Quick Summary
The Eaton N48M28T75ZEE transformer provides 75 kVA power transformation for three-phase industrial systems. Many facilities struggle with voltage stability and installation complexity when upgrading to modern, energy-efficient transformers. This unit is UL Listed and NEMA TP-1 compliant, with electrostatically shielded construction and a 150 °C rise insulation system, delivering safer operation in demanding environments. Engineered for easy installation and reliable performance, it integrates with standard switchgear and control panels while offering configurable taps for voltage stabilization. In practice, this transformer supports consistent power delivery in manufacturing, data centers, and process industries, reducing downtime and improving overall efficiency for power management and distribution initiatives. Engineers benefit from predictable performance across load swings and reduced risk of over-voltage events during peak demand. Maintenance is simplified by rugged construction and Eaton's support ecosystem.
Product Information
Extended Description
N48M28T75ZEE 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, ZE, E
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75ZEE
UPC
786680050404
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
820 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, Easy install base
Coil material
Aluminum
Frame
916AZ
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 - N48M28T75ZEE
Feature: K-Factor nonlinear ventilated design provides harmonic mitigation and reduced losses, improving overall system efficiency and cooling. Business Impact: Lower energy costs, extended transformer life, and reduced cooling requirements in high-demand environments. Application: Data centers, machine halls, and automated lines where power quality matters. Feature: 60 Hz three-phase operation with 75 kVA rating and 480 V primary to 208Y/120 V secondary ensures seamless integration with standard plant distribution and switchgear. Business Impact: Simplified layout, fewer adapters, and faster commissioning. Application: New builds or upgrades in industrial plants and production lines. Feature: Tap options—2 at +2.5% and 4 at -2.5%—enable precise voltage regulation under fluctuating loads. Business Impact: Improved voltage stability and reduced equipment stress. Application: Environments with variable demand and critical control signaling. Feature: Aluminum windings in a robust 916AZ frame with a 820 lb footprint and WS19 weather shield deliver durable, vibration-resistant performance. Business Impact: Longer service intervals, lower maintenance costs, and dependable operation in harsh environments. Application: Outdoor installations or exposed electrical rooms. Feature: Electrostatic shielding and UL Listed, NEMA TP-1 compliant construction provide safety and regulatory alignment. Business Impact: Compliance assurance, faster audits, and minimized risk of non-conformance. Application: Facilities governed by strict electrical codes and reliability requirements. Feature: Easy install base and NEMA TP-1 efficient design simplify installation and commissioning. Business Impact: Faster project turnover, reduced labor costs, and dependable power for critical processes. Application: Control cabinets, distribution panels, and transformer rooms in manufacturing and process industries.
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FAQs
The N48M28T75ZEE is a three-phase transformer rated at 75 kVA with a 480 V primary and 208Y/120 V secondary, designed to integrate with typical plant switchgear and control panels. It operates at 60 Hz and uses aluminum windings in a 916AZ frame. Its UL Listed and NEMA TP-1 compliant construction simplifies approval processes and installation in standard industrial rooms.
This transformer uses a K-Factor nonlinear ventilated design to mitigate harmonics and reduce stray heating, improving power quality and system efficiency. Electrostatic shielding further minimizes noise and interference. The combination supports cleaner power delivery to sensitive loads like drives and PLCs, reducing maintenance and extending equipment life in environments with heavy motor loads.
Yes. With a 75 kVA rating, 480 V to 208Y/120 V outputs, and 60 Hz operation, it is well-suited for data centers, manufacturing lines, and process control panels. Its WS19 weather shield, easy install base, and rugged aluminum windings support reliable operation in demanding spaces, while its compact footprint simplifies installation in constrained rooms.
The unit is UL Listed and NEMA TP-1 compliant, ensuring safety, performance, and code alignment for electrical installations. This reduces audit risk, accelerates procurement, and supports compliance with industry standards. The NEMA TP-1 efficient designation also indicates energy-efficient design principles, contributing to lower operating costs over the asset life.
The transformer benefits from robust aluminum windings, a durable frame, and weather protection (WS19), which translate to longer service intervals and lower maintenance costs. A one-year warranty from installation or 18 months from shipment adds financial protection, while the easy install base reduces commissioning time, accelerating project ROI in power-management upgrades.