Eaton N48M28F12CUEETR Nonlinear Ventilated Transformer - 115°C Rise
Part Number: N48M28F12CUEETR
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is designed to deliver reliable voltage conditioning for three-phase industrial power systems. This rugged solution helps maintain consistent output in environments with fluctuating loads, reducing downtime and equipment wear. It features copper windings, 60 Hz operation, and precise tap settings to support stable delivery from 480 V to 208Y/120 V across demanding applications like manufacturing lines and automation controls. Certifications and test reports are available from the manufacturer, with NEMA TP-1 efficiency documentation and Eaton's warranty framework ensuring long-term protection. By combining robust protection features with proven performance, this transformer enables safer operation, easier compliance, and lower lifecycle costs for power distribution upgrades.
Product Information
Extended Description
N48M28F12CUEETR 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, 112.5 kVA, Copper windings, EE, TR
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F12CUEETR
UPC
786680111440
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1034 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.
Certifications
Contact Manufacturer
Catalog Notes
Certified test report of standard production tests for the specific serial number to be shipped NEMA TP-1 efficient.
Coil material
Copper
Wiring connection
283B
Type
Nonlinear ventilated transformer
Frame
916A
Tap size
2 at +2.5% FCAN 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Special features
Electrostatically shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F12CUEETR
Feature → Business Impact → Application: K-Factor nonlinear ventilated design with copper windings improves harmonic current handling and reduces overheating under nonlinear loads, extending transformer life and lowering maintenance costs. Application: ideal for motor drives, CNCs, and robotics in manufacturing environments with high harmonic activity. Feature → Taps: 2 at +2.5% and 4 at -2.5% provides flexible voltage regulation to maintain setpoints during feeder variations. Business Impact: reduces voltage excursions and improves equipment performance, saving energy and avoiding nuisance trips. Application: panel upgrades and critical process lines where voltage stability matters. Feature → Rating and configuration: 112.5 kVA, 480 V primary, 208Y/120 V secondary at 60 Hz, three-phase. Business Impact: broad compatibility with plant power distribution and ease of integration with existing gear. Application: data centers, process lines, and machine tool networks. Feature → Thermal performance: 115°C rise design supports reliable operation in limited ventilation or elevated ambient conditions. Business Impact: higher availability and lower cooling costs. Application: factories with tight space and modest HVAC. Feature → Protection and enclosure: Electrostatic shielding and WS19 weathershield enable dependable outdoor or harsh-plant installations. Business Impact: reduces320 risk of insulation damage and improves uptime. Application: outdoor substations and exposed equipment rooms. Feature → Build and installation: Copper windings, frame 916A, wiring connection 283B offer proven durability and straightforward wiring. Business Impact: simplifies retrofits and serviceability, lowering installation time and error risk. Application: upgrade projects and new builds in steel mills, elongation lines, and packaging facilities. Feature → Warranty and test evidence: One-year warranty with Eaton policy; certified test reports for NEMA TP-1 efficiency. Business Impact: lowers risk and provides traceable compliance documentation. Application: procurement and regulatory audits for industrial plants.
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FAQs
The N48M28F12CUEETR is designed for 480 V primary, 208Y/120 V secondary, three-phase systems at 60 Hz. Check your panel wiring with a 283B connection and ensure the site can accommodate copper windings and the 916A frame. The unit’s tap settings (+2.5% / -2.5%) help manage voltage variations, reducing the risk of under- or over-voltage conditions and enabling a straightforward retrofit path where existing gear supports these configurations.
Expect improved harmonic handling and reduced overheating under nonlinear loading due to the K-Factor design. The transformer is rated at 112.5 kVA with a 115°C rise, enabling stable output for drives and motor systems. With copper windings and a robust ventilation design, you gain better power quality, fewer trips, and enhanced reliability in high-drive environments.
Yes. The transformer features electrostatic shielding and WS19 weather protection, designed for installation in exposed or harsh environments. These protections help extend insulation life and maintain reliability in area with dust, moisture, or temperature swings. Ensure proper enclosure and clearance per manufacturer guidance during installation.
Catalog notes indicate a certified test report for NEMA TP-1 efficiency, and the manufacturer supports documentation through the Eaton warranty policy (25-000). If formal certifications such as CE or UL are required for your facility, contact Eaton to confirm current certification scope and obtain the specific reports or declarations needed for audits and procurement.
The unit carries Eaton’s warranty (one year from installation or eighteen months from shipment, whichever occurs first) and leverages copper windings and a rugged frame. Combined with NEMA TP-1 efficiency readiness and robust protection features, this supports lower maintenance costs, higher uptime, and a favorable return on investment in upgrade programs for power distribution.