Eaton N48M28F1221CULS48 Transformer - DOE2016 K-Factor
Part Number: N48M28F1221CULS48
Quick Summary
Eaton N48M28F1221CULS48 transformer is a high-efficiency three-phase power solution for industrial power distribution. For engineers and maintenance teams, rising energy costs and stricter efficiency targets create heat, losses, and downtime risks. This model meets DOE2016 Efficient standards and is UL Listed, delivering K13 performance for reliable operation. With a 112.5 kVA rating and 480 V to 208Y/120 V outputs, it fits typical panel and MCC applications, while compatible wiring and Eaton support simplify procurement, installation, and ongoing maintenance. The combination of efficiency, safety, and familiar Eaton design language translates into lower total cost of ownership and improved system reliability.
Product Information
Extended Description
N48M28F1221CULS48 Eaton: Eaton NextGen K-Factor, DOE2016 CU, 48db, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F1221CULS48
UPC
786689670504
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1200 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Kva Rating
112.50 kVA
Volt ampere rating
112.5KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Special features
K13
Feature: K-Factor nonlinear ventilated design (K13) improves nonlinear load handling and reduces stray heat. Business Impact: Lower input losses under distorting loads and expanded tolerance for harmonics, contributing to cooler cabinet temperatures and longer insulation life. Application: Ideal for facilities with VFDs, drives, and nonlinear computing loads in manufacturing, pumping stations, and process lines. Feature: DOE2016 Efficient rating lowers energy consumption and operating costs. Business Impact: Reduced utility bills and improved overall plant energy performance, supporting corporate sustainability targets and ROI. Application: Retrofit projects and new builds in data centers, controls rooms, and energy-conscious production lines. Feature: 112.5 kVA three-phase capability with 480 V primary and 208Y/120 V secondary. Business Impact: Flexible power distribution for mixed-voltage loads, enabling standardized panels and fewer interconnection errors. Application: Control panels, motor control centers, and distribution centers requiring reliable step-down service. Feature: UL Listed certification ensures safety compliance and streamlined maintenance. Business Impact: Simplified approvals, documented safety compliance, and faster on-site inspections. Application: Shop floors, assembly lines, and harsh environments where safety labeling and traceability matter. Feature: Robust physical and wiring attributes—Frame 943, 31.5 in depth, 34.5 in width, 51 in height, 1200 lb weight; Wiring connection 283B. Business Impact: Predictable footprint and straightforward installation with compatible enclosure and bus layouts. Application: New installations in equipment rooms and retrofit projects with space planning constraints. Feature: 115 °C temperature rise rating supports higher insulation margins and reliability. Business Impact: Enhanced durability under peak loading and extended service life in hot environments. Application: Plants with heavy start-up transients and mixed ambient conditions, including export areas and hot-process lines.
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FAQs
The N48M28F1221CULS48 uses Eaton’s standard 283B wiring connection, which simplifies panel integration and reduces wiring error risk. Plan for proper ventilation and clearance around the unit to support its 115 °C rise rating. Verify enclosure compatibility and provide adequate support structure to manage the 1200 lb weight. Typical installations include dedicated transformer rooms or service enclosures with adequate fire protection and clear access for maintenance.
This transformer employs a K-Factor nonlinear ventilated design (K13) to handle harmonics more effectively, reducing overheating and stray losses under non-sinusoidal loads. For facilities with VFDs, drives, or switching power supplies, expect improved temperature stability and longer insulation life. Always pair with appropriately rated breakers and harmonic mitigation strategies to maximize benefits.
Yes. With a 480 V primary and 208Y/120 V secondary, this unit is well-suited to standard control panel and MCC applications in manufacturing. Its 112.5 kVA rating supports multiple loads, and the UL Listed certification simplifies compliance and panel approvals. Ensure enclosure space accommodates its dimensions (31.5 in depth, 34.5 in width, 51 in height) and weight (approximately 1200 lb).
The N48M28F1221CULS48 carries UL Listed certification and meets DOE2016 Efficient standards, signaling safety compliance and energy efficiency. For plant managers, these certifications streamline procurement, reduce risk during audits, and support energy-performance reporting. Keep documentation accessible for inspections and cross-reference with local electrical and safety codes as part of installation planning.
ROI is driven by reduced energy losses from DOE2016 efficiency and lower cooling demands due to improved thermal performance. The 112.5 kVA capacity supports current and growing loads, while UL safety certification minimizes installation risk. In mature facilities with nonlinear loads, the K13 design can yield meaningful energy savings, longer transformer life, and lower maintenance costs over the asset's life cycle.