Eaton N48M28F3021 Nonlinear Ventilated Transformer - UL
Part Number: N48M28F3021
Quick Summary
The Eaton N48M28F3021 is a K-Factor nonlinear ventilated transformer designed for protecting power systems in data centers and manufacturing facilities. Facilities struggle with harmonic distortion, overheating, and regulatory compliance under variable loads. UL Listed certification supports safety and reliable operation across industrial power systems, helping maintain uptime. The model combines robust 30 kVA capacity with three‑phase 480-208Y/120 sourcing, delivering efficiency gains, simplified installation, and long-term cost savings for engineers and procurement teams. The ventilated design minimizes temperature rise under nonlinear loads, reducing cooling energy and extending transformer life, while its compact footprint simplifies integration in space-constrained electrical rooms. This combination supports faster project timelines and predictable total cost of ownership for industrial buyers.
Product Information
Extended Description
N48M28F3021 Eaton: Eaton K-Factor nonlinear ventilated transformer, 30 kVA, k13 EFF Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F3021
UPC
786689664473
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
30 kVA
Phase
Three-phase
K-Factor nonlinear design helps manage harmonic currents without excessive core losses. This translates to steadier voltage regulation and cooler operation under nonlinear loading, enabling data centers and automated facilities to maintain uptime. Application: data halls, machine tools, and panel boards that experience harmonic-rich loads. 30 kVA three-phase rating provides scalable power for diverse loads while keeping transformer footprint manageable. This supports efficient power distribution for motor drives, CNCs, and automation panels, reducing the risk of voltage dips during peak demand. Ventilated construction improves heat dissipation, reducing thermal stress and prolonging life, which lowers maintenance costs and minimizes unscheduled downtime in high-load environments. Its compact dimensions and 430 lb weight simplify mounting in standard electrical rooms and compact switchgear spaces, enabling faster installation and easier future upgrades. UL Listed certification ensures safety and regulatory compliance, helping facilities pass audits and maintain steady operation across harsh industrial conditions. The design remains compatible with Eaton’s distribution ecosystem, including documentation and resources such as the Eaton Specification Sheet and Transformer Flex Center content, to support streamlined commissioning and ongoing service.
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FAQs
N48M28F3021 is designed for 480-208Y/120 V three-phase distributions. Plan for adequate floor loading (weight ~430 lb) and ventilation clearance around the cabinet to maintain airflow. Mounting should align with bus connections and enclosure openings, and provide proper wire routing to minimize impedance. Verify room dimensions match the 21.13 in depth, 36.88 in height, and 24.88 in width, ensuring safe access for maintenance and inspection.
The transformer delivers 30 kVA with three-phase operation. Primary rating is 480 V, secondary is 208Y/120 V. It carries a catalog number N48M28F3021 and is UL Listed for safety. Physical size is 21.13 in L/Depth, 36.88 in H, 24.88 in W, and it weighs about 430 lb. This combination supports reliable, scalable power to automation equipment and panels.
K-Factor nonlinear transformers are designed to handle harmonic-rich loads common in data centers and automation facilities. They maintain voltage quality, reduce overheating risk, and improve cooling efficiency. This translates to higher uptime, less risk of nuisance trips, and lower energy costs during peak, nonlinear loading events, making them ideal for critical IT and manufacturing environments.
The N48M28F3021 carries UL Listed certification, which confirms conformance to recognized safety standards for electrical equipment. This certification supports regulatory compliance during audits and helps ensure safer installation, reduced liability, and smoother acceptance by manufacturers, contractors, and facilities managers responsible for power distribution reliability.
With a 30 kVA rating and improved harmonic handling, the N48M28F3021 can reduce cooling energy and minimize downtime due to overheating or voltage instability. Its ventilated design lowers thermal stress, potentially extending transformer life and lowering maintenance costs. Routine checks should focus on insulation integrity, cleanliness, and connection torque to sustain optimal performance.