Eaton N48M28F1221CULS50 K-Factor Transformer - DOE2016
Part Number: N48M28F1221CULS50
Quick Summary
N48M28F1221CULS50 is a high-efficiency transformer designed for three-phase power distribution in industrial facilities. Engineers often struggle with energy waste, heat load, and noisy equipment in switchgear rooms. This model meets DOE2016 Efficient criteria, is UL Listed, and embeds K13 features for reliable operation. With its ventilated design and a 112.5 kVA rating, it helps reduce cooling costs while maintaining strong performance. Compact mounting footprint, three-phase 480 V input to 208Y/120 V output, and compatible wiring (283B) support easier installation and future-proofing.
Product Information
Extended Description
N48M28F1221CULS50 Eaton: Eaton NextGen K-Factor, DOE2016 CU 50dB Sound, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F1221CULS50
UPC
786689670962
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 minimizes core losses and controls heat. Business impact: Lower cooling requirements translate to reduced energy costs and quieter operation in plant spaces. Application: ideal for machine rooms, switchgear cabinets, and automated production lines. Feature: 112.5 kVA rating with 480 V primary and 208Y/120 V secondary. Business impact: provides robust headroom for critical loads and scalable capacity for growing lines. Application: manufacturing cells, automated equipment stations, and process control panels. Feature: DOE2016 Efficient compliance and UL Listed certification. Business impact: ensures regulatory alignment, lowers procurement risk, and supports energy-performance incentives. Application: projects with strict energy codes and quality-safety requirements. Feature: K13 design and ventilated construction with a 115 °C rise. Business impact: enhances reliability under load transients and preserves service life. Application: data centers, robotics bays, and high-density electrical rooms. Feature: Dimensions 31.5 in x 34.5 in x 51 in, weight 1200 lb, wiring connection 283B, frame 943. Business impact: informs mounting, enclosure planning, and installation sequencing. Application: OEM panel-builds, retrofit projects, and new facility builds.
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FAQs
This transformer uses a 283B wiring connection and measures 31.5 in x 34.5 in x 51 in with a 1200 lb weight, making it suitable for dedicated transformer enclosures or reinforced racks. It delivers 480 V primary to 208Y/120 V secondary in a three-phase configuration, and UL Listed status supports standard panel integration. Ensure enclosure clearance for ventilation and follow the terminations per OEM guidance.
Key specs include the K-Factor nonlinear ventilated design, 112.5 kVA rating, 480 V primary and 208Y/120 V secondary, and a 115 °C rise. DOE2016 Efficient compliance further reduces core losses and operating heat. These factors collectively lower cooling load, reduce utility costs, and improve reliability in high-density electrical rooms.
Yes. The 112.5 kVA three-phase transformer handles critical loads common in data centers and manufacturing lines. Its ventilated cooling, stable 480 V to 208Y/120 V output, and K13 features provide robust power quality, while UL Listing and DOE2016 compliance support facility standards and OEM system integration.
The unit carries UL Listed certification and DOE2016 Efficient compliance, with K13 design features enhancing reliability. UL Listing ensures safety and compatibility with established electrical codes, while DOE2016 Efficient status signals energy-performance optimization, which can translate to lower operating costs and compliance-ready procurement.
Maintenance focuses on routine enclosure checks, cooling system integrity, and wiring termination inspections. The 112.5 kVA K-Factor nonlinear ventilated design reduces heat-related wear, aiding longer service life. While ROI depends on load factors and energy savings, expected benefits include lower cooling energy, reduced downtime, and easier compliance with energy regulations.