Eaton N48M31F50EE Transformer - K-Factor KT-13
Part Number: N48M31F50EE
Quick Summary
Eaton N48M31F50EE Transformer provides nonlinear K-Factor power conditioning for 3-phase industrial distribution. Engineers often contend with harmonic distortion, voltage drift, and overheating in high-density power rails; this design mitigates those risks with a robust ventilated build and a configurable tapping scheme. Certifications for this part are listed as 'Contact Manufacturer'; in practice, verify CE and UL/NRTL listings, plus regional markings as applicable to your site. With a 50 kVA rating, 480 V primary and 220Y/127 V secondary, plus ±2.5% taps, it supports reliability and efficiency for data centers, manufacturing lines, and process facilities.
Product Information
Extended Description
N48M31F50EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 220Y/127V, 115°C rise, 50 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M31F50EE
UPC
786680140907
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Certifications
Contact Manufacturer
Volt ampere rating
50 kVA
Primary voltage
480 V
Secondary Voltage
220 Y/127 V
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M31F50EE
Feature → Business Impact → Application: The N48M31F50EE employs a nonlinear K-Factor design to limit harmonic heating and improve efficiency under nonlinear loads, reducing lifecycle costs and expanding usable capacity on existing feeders. This translates to more predictable voltage profiles for sensitive equipment and less maintenance caused by overheating, ideal for data centers and high-density industrial plants. Feature → Business Impact → Application: With a 50 kVA rating and a 480 V primary to 220Y/127 V secondary configuration, it aligns with common industrial power systems, enabling straightforward integration into manufacturing lines and system upgrades without extensive redesigns. Feature → Business Impact → Application: Voltage taps at +2.5% and -2.5% provide precise regulation to compensate for supply drift, enhancing equipment performance and protecting control circuits in facilities with variable mains or long feeder runs. Feature → Business Impact → Application: The ventilated construction delivering an 115°C rise capability supports sustained loading in hot plant environments, improving uptime and reducing the need for oversized cooling, a cost-efficient choice for industrial power distribution. Feature → Business Impact → Application: KT-13 K-Factor and EE core features offer compatibility with standard installation practices and familiar mounting footprints, simplifying procurement, stocking, and field service for maintenance teams across manufacturing and warehousing sites. This combination also addresses common objections about harmonic compliance and installation complexity by delivering measurable efficiency gains, reliability, and compatibility with existing infrastructure.
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FAQs
Installers should verify the 50 kVA rating aligns with the load, set taps to compensate for supply variance, and ensure proper ventilation for the EE core. Mounting should follow standard 3-phase transformer practices, with adequate clearance for cooling and access to primary and secondary terminals. Check compatibility with existing switchgear and fusing, and verify grounding and protective relays are in place for safe operation.
The N48M31F50EE uses a nonlinear K-Factor design to quantify and limit losses and heating caused by non-linear loads. This reduces transformer overheating and voltage distortion on complex loads such as drives and nonlinear power supplies. For your system, this translates to improved efficiency, more stable voltage delivery, and extended equipment life in environments with high harmonic content.
Yes, the 50 kVA, 480 V to 220Y/127 V configuration supports critical loads and control circuits common in data centers and manufacturing lines. The KT-13 K-Factor design helps mitigate harmonics from server power supplies and drives, while voltage taps allow fine regulation to accommodate supply variations and long feeders typical in these facilities.
The data field indicates certifications are to be confirmed with the manufacturer ('Contact Manufacturer'). In practice, verify regional listings such as UL/NRTL, CE, and any site-specific approvals before deployment. Also confirm IP or environmental ratings if the unit will be installed in harsh or outdoor environments. Always request a current certificate of compliance from Eaton for the exact unit you purchase.
ROI comes from reduced harmonic-related losses, improved voltage regulation, and lower maintenance due to better cooling and a robust ventilated design. The N48M31F50EE’s 50 kVA capacity supports expanding workloads without replacing gear, which minimizes downtime and capital expenditure. In practice, expect longer asset life, fewer unplanned outages, and improved process stability in facilities with high non-linear loads.