Eaton N48D28F7521CU Transformer - UL Listed 75 kVA
Part Number: N48D28F7521CU
Quick Summary
Eaton N48D28F7521CU transformer powers industrial automation in electrical rooms. Sites often struggle with heat, noise, and limited space when mounting large transformers. UL Listed certification confirms safety and reliability, while copper windings and K-Factor nonlinear design support stable performance under fluctuating loads. This combination helps improve uptime and reduce lifecycle costs in power distribution for automation and manufacturing environments. By delivering robust voltage transformation from 480 V to 208Y/120 V, it supports a wide range of motors, drives, and control panels. The unit’s medium footprint and 75 kVA rating align with budget-conscious projects needing dependable power without oversized equipment.
Product Information
Extended Description
N48D28F7521CU Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, XFMR, K13 480-208Y/120, Copper windings
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28F7521CU
UPC
786689664060
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Kva Rating
75 kVA
Feature: K-Factor nonlinear ventilated design. Business Impact: enhanced thermal management reduces hot spots, increases transformer life, and maintains consistent voltage under load transients. Application: data centers, manufacturing floors, and process automation environments benefit from reliable cooling during variable demand. Long-tail keywords integrated: K-Factor transformer cooling, nonlinear ventilated transformer, industrial power reliability.Feature: 75 kVA rating with primary 480 V and secondary 208Y/120 V. Business Impact: supports critical automation loads and machinery without oversizing the system, enabling tighter electrical room footprints. Application: automation panels, panel boards, and feeders in plant environments. Long-tail keywords integrated: 75 kVA transformer, 480V to 208Y/120V step-down, power distribution for automation.Feature: Copper windings. Business Impact: lowers winding resistance, reduces copper loss, and improves overall efficiency and thermal performance. Application: high-load drives and motor control centers. Long-tail keywords integrated: copper windings transformer, energy efficiency transformer, low-loss transformer.Feature: Compact dimensions (21.13 in L x 24.88 in W x 36.88 in H) and weight of 430 lb. Business Impact: easier installation in confined electrical rooms and supports faster commissioning. Application: retrofit projects, brownfield upgrades, and new automation lines. Long-tail keywords integrated: small footprint transformer, installation-friendly power transformer, automated line upgrade.Feature: UL Listed certification. Business Impact: reduces procurement risk by meeting essential safety standards and simplifying compliance documentation. Application: any regulated facility requiring verified electrical safety. Long-tail keywords integrated: UL Listed transformer, electrical safety certification, compliant power distribution.
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FAQs
The N48D28F7521CU measures 21.13 in L x 24.88 in W x 36.88 in H and weighs 430 lb, making it suitable for typical floor-mounted installations in electrical rooms. Ensure a level, vibration-free base, adequate clearance for ventilation, and accessibility to primary and secondary terminations. Check clearances per local electrical codes and Eaton’s installation guidelines to simplify wiring, cooling, and service access.
Key specs include a 75 kVA rating with a primary of 480 V and secondary of 208Y/120 V, copper windings for efficiency, and the K-Factor nonlinear design for better startup and transients. This combination supports motors, drives, and automation controllers with stable voltage during load changes while reducing copper loss and thermal stress.
Yes. The 75 kVA capacity and 480-208Y/120 configuration suit data centers, manufacturing lines, and process automation where reliable stepping of voltage and robust thermal management are critical. The ventilated K-Factor design helps manage heat under variable loads common in equipment startups and peak production periods.
The N48D28F7521CU is UL Listed, indicating compliance with crucial electrical safety standards. This certification streamlines procurement for facilities that require documented safety and reliability for power distribution equipment, reducing project risk and easing regulatory reviews during audits or inspections.
Maintenance is typically straightforward, focusing on periodic inspection of cooling, connections, and insulation health. The copper windings and efficient K-Factor nonlinear cooling reduce losses and thermal stress, contributing to lower energy consumption and extended asset life, which translates to favorable total cost of ownership in automation and distribution systems.