Eaton N48M28F7521HD Transformer - UL Listed
Part Number: N48M28F7521HD
Quick Summary
The Eaton N48M28F7521HD transformer is a K-Factor nonlinear ventilated transformer designed for reliable industrial power distribution. In many plant environments, harmonics, overheating, and installation complexity drive maintenance costs and downtime. This UL Listed device emphasizes safety and reliability, while its K13 K-Factor design helps mitigate harmonic currents in demanding loads. With a 75 kVA three-phase rating and a 480-208Y/120 configuration, it supports scalable power distribution for equipment, machines, and automation panels. By combining robust electrical performance with practical installation considerations, this vented transformer delivers measurable business value for facilities aiming to improve efficiency and reduce operating risk.
Product Information
Extended Description
N48M28F7521HD Eaton: Eaton K-Factor nonlinear ventilated transformer, K13, 75 kVA, Vented XFMR, 3-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7521HD
UPC
786689665265
Product Length/Depth
35.57 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1093 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
75 kVA
Phase
Three-phase
Feature: K-Factor nonlinear design with K13 rating. Business Impact: enhances harmonic mitigation, reducing overheating and extending component life under nonlinear loads. Application: ideal for drives, welders, and other high-harmonic equipment in manufacturing lines. Feature: Ventilated XFMR enclosure. Business Impact: improves cooling efficiency and reliability in hot, crowded electrical rooms, enabling safer operation and longer service intervals. Application: data centers, packaging facilities, and heavy equipment plants where ambient temperatures fluctuate. Feature: 75 kVA, three-phase, 480-208Y/120 configuration. Business Impact: supports mid-size power demands with balanced voltage transformation and reduced distribution losses. Application: machine tools, conveying systems, and automation panels requiring stable secondary voltages. Feature: UL Listed certification. Business Impact: substantiates safety compliance and expedites procurement by satisfying common industrial regulatory requirements. Application: facilities with strict safety standards and contractor onboarding processes. Feature: Robust physical footprint (35.57 in L, 34.5 in W, 51 in H) and weight (1093 lb). Business Impact: informs installation planning, space assignment, and crane/rigging considerations to minimize downtime. Application: retrofit projects and new builds in constrained electrical rooms.
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FAQs
The N48M28F7521HD is designed for a 480 V primary and a 208Y/120 V secondary in a three-phase configuration. It provides localized, stable secondary voltages for automation panels and equipment. Ensure proper clearances, grounding, and accordance with UL Listed installation requirements. Verify interconnection with your panelboard and bus systems for a safe, reliable power path.
This transformer employs K-Factor nonlinear design (K13) to limit harmonic heating and voltage distortion. The result is reduced thermal stress on windings, improved capacitor and switchgear life, and more predictable voltage regulation. It is particularly advantageous for drives, welding equipment, and other nonlinear loads common in modern manufacturing environments.
Yes, with its three-phase 75 kVA rating, ventilated enclosure, and UL Listed safety certification, the N48M28F7521HD supports reliable power distribution in data centers. Its harmonic mitigation helps protect sensitive IT equipment from voltage distortion, while its robust cooling design aids uptime in conditioned and partially conditioned spaces.
The model carries UL Listed certification, which supports safety and compliance for many industrial installations. While UL Listed is confirmed, CE or IP ratings are not listed in the provided data. Confirm with Eaton or your compliance team if additional certifications are required for your specific site or region.
The transformer’s robust K-Factor design reduces harmonic-related losses and overheats, lowering maintenance frequency and downtime. Its vented enclosure improves cooling efficiency, contributing to longer asset life. When paired with proper installation planning and periodic insulation testing, facilities can achieve lower operating costs and steadier power quality over the asset life.