Eaton N48D28T4521 Transformer - UL Listed
Part Number: N48D28T4521
Quick Summary
Eaton N48D28T4521 transformer is a 45 kVA three-phase power conversion solution for industrial distribution. It helps simplify installations by delivering reliable voltage transformation from 480 V to 208Y/120 V in demanding environments. This model addresses common challenges such as heat buildup, harmonic performance, and space constraints in retrofit and new-build projects. UL Listed certification supports safety compliance, and the vented design aids thermal management in dense electrical rooms. By pairing robust electrical performance with a compact footprint, it provides a clear business value: safer operations, reduced downtime, and predictable power delivery for critical equipment.
Product Information
Extended Description
N48D28T4521 Eaton: Eaton K-Factor nonlinear ventilated transformer, 45 kVA, K13, 480-208Y/120, Vented XFMR, Three-phase
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28T4521
UPC
786689664152
Product Length/Depth
24 in
Product Height
36.88 in
Product Width
30.5 in
Product Weight
658 lb
Certifications
UL Listed
Kva Rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Voltage rating
480-208Y/120V
Feature → Business Impact → Application: The 45 kVA rating paired with a K-Factor nonlinear ventilated design delivers controlled heat dissipation, increasing transformer life and reducing cooling energy costs in data centers and manufacturing lines. This improves electrical reliability and lowers total cost of ownership for plant-scale power distribution. Feature → Business Impact → Application: Primary 480 V and secondary 208Y/120 V configuration enables straightforward integration with common industrial gear, minimizing wiring complexity and installation time in switchgear rooms and machine cells. Application: data centers, process lines, and automation cabinets benefit from faster commissioning and fewer adaptation steps. Feature → Business Impact → Application: Three-phase operation reduces transformer count and footprint while maintaining performance, enabling space-efficient layouts in compact electrical rooms and modular facilities. Application: retrofit projects and new builds where floor space is at a premium. Feature → Business Impact → Application: UL Listed certification provides clear safety and regulatory alignment, facilitating procurement approvals and installation acceptance tests. Application: multinational plants and regulated industries. Feature → Business Impact → Application: Vented enclosure design supports sustained operation under non-linear loads and harmonic-rich environments, improving efficiency and uptime in high-demand applications. Application: data centers, robotics cells, and packaging lines. Feature → Business Impact → Application: Detailed spec availability (datasheet, Flex Center video) aids procurement and engineering teams in verifying compatibility and accelerating project timelines. Application: standardization programs and vendor consolidation initiatives.
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FAQs
The N48D28T4521 excels in data centers, manufacturing lines, and process equipment housing where 480 V primary and 208Y/120 V secondary are common. Its three-phase design reduces transformer count, while the vented enclosure supports heat management in restricted electrical rooms. UL Listed certification aids regulatory approvals and site inspections.
The K-Factor nonlinear venting helps manage non-linear load harmonics, reducing overheating and thermal stress on windings. This translates to longer transformer life, more stable voltage under peak demand, and lower cooling requirements—particularly important in facilities with variable loads such as digital manufacturing and automation cells.
Key specs are 45 kVA, three-phase, primary 480 V, secondary 208Y/120 V, and voltage rating 480-208Y/120V. Ensure compatible switchgear, bussing, and protective relays are sized for 45 kVA and that the installation space allows the 24 in depth, 36.88 in height, and 30.5 in width footprint.
Yes. The unit is UL Listed, indicating conformance to recognized safety standards. Its vented enclosure supports safe heat dissipation, and proper mounting with required clearances and ventilation is recommended to maintain performance and allow service access during maintenance.
Expect improved uptime due to reliable voltage conversion and better thermal management, which reduces cooling load and associated energy costs. The durable, UL-listed design minimizes regulatory risk and maintenance frequency in mission-critical applications such as data centers and automated production lines.