Eaton N48M28F22EELS50 Transformer - UL Listed
Part Number: N48M28F22EELS50
Quick Summary
Eaton N48M28F22EELS50 transformer provides K-Factor nonlinear power transformation for critical electrical infrastructure. In large installations, engineers contend with efficiency losses, heat rise, and noisy operation that impact uptime and maintenance costs. UL Listed and NEMA TP-1 compliant, with a low-noise option and electrostatic shielding, help ensure regulatory compliance and quieter plant floors. Three-phase, 225 kVA service with 480 V primary and 208Y/120 V secondary supports scalable power distribution, while +2.5% / -2.5% taps enable precise voltage regulation. Designed for easy installation and reliable performance, it supports lifecycle planning and compatibility with Eaton's Transformer Flex Center tools for site optimization.
Product Information
Extended Description
N48M28F22EELS50 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 225 kVA, EE, LS, 50
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F22EELS50
UPC
786680053405
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1670 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
Nema TP-1 efficient, Low sound equal to 50 dB
Coil material
Aluminum
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
225 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 50 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F22EELS50
Feature is a K-Factor nonlinear ventilated transformer design that improves harmonic handling and cooling efficiency, reducing heat rise and extending component life. Business impact is lower maintenance costs and greater uptime in high-load environments, suitable for data centers, manufacturing lines, and industrial control panels. Application example includes critical power distribution where voltage stability matters and harmonics are a concern. Feature three-phase 225 kVA rating with a 480 V primary and 208Y/120 V secondary; impact is scalable power delivery for growing facilities and tighter voltage control. Application spans large motor drives and PLC-powered systems, delivering reliable performance under peak loads. Feature taps at +2.5% and -2.5% enable precise voltage regulation, reducing equipment stress and improving downstream device performance. Application includes panelboards and switchgear with close voltage tolerances. Feature aluminum coil construction lowers weight and cost while maintaining structural integrity; impact is easier handling during installation and long-term durability under thermal cycling. Application in retrofit projects and new builds seeking NEMA TP-1 efficiency and low sound operation. Feature 115 °C rise rating and electrostatic shielding; impact is improved protection against insulation degradation and EMI. Application in dense electrical rooms with WS34 weather shield for outdoor or corrosive environments where required.
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FAQs
The unit is a three-phase transformer rated at 225 kVA with a 480 V primary and 208Y/120 V secondary, designed for 60 Hz operation. It features taps at +2.5% and -2.5% to accommodate voltage fluctuations and maintains compatibility with standard LV panels and switchgear, easing integration into existing distributions without extensive rewiring.
This transformer is UL Listed and NEMA TP-1 compliant, with a low-noise option of 50 dB. The design adheres to NEMA TP-1 efficiency guidelines and includes electrostatic shielding to reduce EMI, helping you satisfy regulatory and safety requirements in regulated environments.
Dimensions are 30.68 in (depth) x 62.18 in (height) x 31.44 in (width) with a weight of approximately 1670 lb. The 918A frame and aluminum coil construction support robust installation in typical transformer bays. Ensure adequate clearance for ventilation, access to taps, and connection to 480 V primary and 208Y/120 V secondary circuits, along with WS34 weather shield if outdoor use is anticipated.
The product carries Eaton’s standard warranty policy (25-000): one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance of cooling paths, inspection of taps, and verification of insulation integrity are recommended to sustain performance over the lifecycle.
The K-Factor nonlinear design improves harmonic handling and cooling efficiency, reducing heat buildup and extending insulation life. This translates to higher uptime, lower energy losses, and easier compliance with industry standards. Combined with precise +/− tapping and robust protection features, it supports predictable lifecycle costs and scalable power delivery for growing facilities.