Eaton N48M28T3021I4 Nonlinear Ventilated Transformer - UL
Part Number: N48M28T3021I4
Quick Summary
Eaton N48M28T3021I4 is a K-Factor nonlinear ventilated transformer for three-phase power distribution. This solution addresses common challenges like harmonic heat, thermal stress, and space constraints in modern electrical rooms. It carries UL Listed safety certification, pairing proven safety with a rugged design for demanding environments. The K13 specification helps manage harmonic currents with predictable performance, while the vented cooling supports longevity under peak loads. For system integrators and panel builders, this translates to lower risk, easier regulatory compliance, and a clearer path to on-time installation—bolstered by Eaton’s engineering support and accessible specification data for rapid procurement and safe commissioning.
Product Information
Extended Description
N48M28T3021I4 Eaton: Eaton K-Factor nonlinear ventilated transformer, 30 kVA, K13, Vented XFMR, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T3021I4
UPC
786689663995
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
30 kVA
Phase
Three-phase
Feature: K-Factor nonlinear design handles harmonic currents more effectively. Business Impact: reduces hot spots, extends transformer life, and maintains voltage stability under distorted waveforms. Application: ideal for automation panels, drives, and mixed loads in manufacturing cells. Feature: 30 kVA rating in a three-phase 480-208Y/120 configuration. Business Impact: provides sufficient reserve for critical loads while keeping footprint compact. Application: serves machine tools, robotics, and control cabinets in modern production lines. Feature: Vented XFMR construction with UL safety listing. Business Impact: enhanced cooling performance reduces thermal risk and enables compliance in ventilated spaces. Application: suitable for indoor electrical rooms and equipment enclosures with limited cooling capacity. Feature: Physical dimensions and weight (21.13 in L, 36.88 in H, 24.88 in W; 430 lb). Business Impact: predictable installation footprint, easier crane/rigging planning, and transport. Application: site planning for retrofit or new builds in factories and automation centers. Feature: Clear specification data and downloadable resources (Eaton spec sheet, Transformer Flex Center video). Business Impact: reduces design risk and speeds procurement. Application: system integrators and panel builders performing design reviews and vendor comparisons.
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FAQs
The N48M28T3021I4 is designed for seamless integration with Eaton power management ecosystems thanks to its 480-208Y/120 three-phase configuration and common install practices used across Eaton panels. The UL Listed safety certification helps ensure compliance with standard electrical room practices, while the 21.13 in L x 24.88 in W footprint supports retrofit projects within established racking or cabinet layouts. When planning, reference the Eaton spec sheet for mounting clearances, conduit entry, and connection schemes to minimize field revisions.
This transformer employs a K-Factor nonlinear design, specifically K13, to better absorb and resist distorted current waveforms common in drives and automated equipment. The result is reduced overheating risks, improved voltage stability under harmonic stress, and longer component life. In practical terms, facilities with high-speed motors, servo drives, and mixed loads benefit from steadier secondary voltages and lower maintenance costs over time.
Yes, the N48M28T3021I4 is suited for tighter spaces thanks to its 21.13 inch length and 24.88 inch width footprint, with a weight of about 430 lb. Proper rigging and mounting clearances should follow the manufacturer’s guidelines in the spec sheet. The vented design helps with convective cooling in enclosed spaces, reducing the need for additional forced-air cooling in many installations.
The product carries UL Listed certification, which confirms adherence to essential safety standards for electrical equipment. This certification supports regulatory compliance in many markets and simplifies acceptance by electrical inspectors and panel builders. When deploying in international environments, verify local requirements (for example CE or IP ratings) and coordinate with Eaton engineering for any region-specific documentation.
ROI arises from improved power quality, reduced downtime, and predictable lifecycle costs. The K-Factor nonlinear design minimizes damage from harmonics, lowering replacement and maintenance risks in automated systems. Solid-state insulation and venting features support reliability in continuous operation. Regular inspection of ventilation, enclosure integrity, and connection torque—guided by Eaton’s maintenance data—helps sustain performance with minimal routine service.