Eaton N48M26T45EECS Nonlinear Ventilated Transformer - NEMA TP-1
Part Number: N48M26T45EECS
Quick Summary
Eaton N48M26T45EECS is a K‑Factor nonlinear ventilated transformer for three‑phase 480 V power distribution. Facility engineers face harmonic distortion, overheating, and space constraints in high‑capacity installations; this unit targets those challenges with robust design. Certifications include NEMA TP‑1 efficiency (catalog notes); official listings should be confirmed with the manufacturer, while the warranty provides assurance under Eaton policy. The integrated electrostatic copper shield and Weather Shield WS39 support reliability in harsh environments, reducing maintenance and downtime. Its 45 kVA rating, programmable taps, and 150°C rise enable efficient power conditioning for reliable distribution across industrial machinery and control centers.
Product Information
Extended Description
N48M26T45EECS Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 220 delta/110 midtap, 150°C rise w/ 200°C insulation systeam, 45 kVA, EE, CS
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M26T45EECS
UPC
786680111693
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
548 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
NEMA TP-1 efficient.
Coil material
Aluminum
Wiring connection
283B
Type
Nonlinear ventilated transformer
Frame
914D
Tap size
2 at +2.5% FCAN 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220 delta/110 midtap
Temperature rise
150 °C rise
Special features
Electrostatic copper shield
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M26T45EECS
Feature: K‑Factor nonlinear ventilated design mitigates harmonic distortion from non‑linear loads. Benefit: Improves downstream voltage quality and protects sensitive drives, motors, and controls. Application: Drives and PLC/load centers in manufacturing lines. Feature: Tap selector with multiple settings (+2.5%, up to two taps; -2.5%, up to four taps). Benefit: Maintains secondary voltage within tolerance under load fluctuations, reducing downtime and trip events. Application: Panel boards and MCCs in variable load environments. Feature: 480 V primary / 220 delta / 110 midtap secondary. Benefit: Flexible voltage conditioning suitable for common industrial distribution schemes, simplifying integration with existing equipment. Application: Assembly lines, packaging equipment, and machine centers. Feature: 150 °C rise with a 200 °C insulation system. Benefit: Higher thermal tolerance allows for stable operation under peak loads and hot environments, extending transformer life. Application: Outdoor or semi‑indoor installations with limited cooling. Feature: Aluminum coil and 283B wiring connection. Benefit: Lighter weight for handling and installation, corrosion resistance, and easier field connections. Application: Retrofit projects and new builds with weight and space constraints. Feature: Electrostatic copper shield and WS39 Weather Shield. Benefit: Enhanced EMI suppression and weather protection, reducing maintenance needs and improving reliability in harsh settings. Application: Outdoor racks, substations, and harsh‑environment installations. Feature: EE frame 914D and standardized mounting. Benefit: Streamlined integration with common enclosures and existing support structures, lowering installation time. Application: Control rooms and equipment housings with standard frame compatibility. Feature: NEMA TP‑1 efficient catalog notes. Benefit: Demonstrates compliance with efficiency standards that drive energy savings and lower operating costs. Application: Facilities seeking compliant, efficient power conditioning solutions.
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FAQs
Plan for a three‑phase, 480 V feed with a 914D EE frame footprint and standard mounting. Account for the WS39 weather shield if installed outdoors, and ensure proper clearance for ventilation. The 283B wiring connection should be prepared for field terminations, with the aluminum coil chosen for lighter weight and corrosion resistance.
The transformer provides two taps at +2.5% and four taps at -2.5% to fine‑tune secondary voltage under varying load and input conditions. This helps maintain the 220 V delta/110 V midtap secondary within tolerance, reducing voltage fluctuations that could trip equipment or shorten motor life.
Catalog notes indicate NEMA TP‑1 efficiency. Official certifications should be confirmed with Eaton, as the catalog lists 'Certifications: Contact Manufacturer.' This implies the unit supports recognized efficiency practices while formal listings may vary by installation and region.
Yes, features such as the WS39 Weather Shield and electrostatic copper shield enhance protection against weather and EMI. The 150 °C rise rating with a 200 °C insulation system supports operation in warmer environments, though ensure proper enclosure protection and ventilation in outdoor or semi‑outdoor deployments.
Eaton provides a warranty per policy 25‑000: one year from installation or eighteen months from shipment, whichever occurs first. For field support, technicians can refer to the Eaton Transformer Flex Center resources and the official specification sheet.