Eaton N48M28F75CUTRSS4X-US Transformer - 75 kVA, UL Listed
Part Number: N48M28F75CUTRSS4X-US
Quick Summary
Eaton N48M28F75CUTRSS4X-US Transformer provides reliable power isolation for medium-to-large industrial panels. Engineers often struggle with heat buildup, voltage fluctuations, and installation delays in demanding environments. It carries UL Listed certification, a NEMA 1 enclosure, and a 115°C insulation rise, aligning with safety and reliability standards. With a 75 kVA rating and a 480V delta primary to 208Y/120V secondary, it enables scalable, compliant power distribution in automation facilities, supporting efficient panel builds and streamlined procurement for control rooms and manufacturing lines.
Product Information
Extended Description
N48M28F75CUTRSS4X-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER, EXEMPT, COPPER, 60 HZ, 75KVA, 3PH, 480V DELTA, 208Y/120V, NEMA ST-20, 115°C RISE, NEMA 1, CASE E, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN, RH6
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F75CUTRSS4X-US
UPC
786689908676
Product Length/Depth
32 in
Product Height
66 in
Product Width
50.5 in
Product Weight
1208 lb
Certifications
UL Listed
Coil material
Copper
Enclosure
NEMA 1
Frame
CASE E
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Efficiency
Exempt
Special features
MADE IN AMERICA, K13, 115C, NEMA 4X, SS 304, TEST REPORT INCLUDED
Weathershield
RH6
Feature: K-Factor nonlinear ventilated design with copper windings → Business Impact: Superior harmonic handling and thermal performance reduce heat-related losses and extend transformer life → Application: Industrial automation panels and process lines where power quality is critical. Feature: NEMA 1 enclosure in CASE E frame with 220°C insulation and 115°C rise → Business Impact: Robust protection in standard indoor environments, faster commissioning, and enhanced safety margins → Application: Plant electrical rooms and control cabinets in manufacturing facilities. Feature: Tap size options 2 AT +2.5% FCAN, 4 AT -2.5% FCBN → Business Impact: Precise voltage regulation to accommodate diverse loads and supply deviations → Application: Multi-load automation setups and mixed-voltage panels. Feature: UL Listed, NEMA ST-20 sound reference, Weathershield RH6 → Business Impact: Compliance with safety norms and predictable noise levels, suitable for shared facilities and outdoor-adjacent spaces → Application: Industrial sites with strict acoustics requirements and weather exposure. Feature: 75 kVA, three-phase, 60 Hz performance with 480V delta / 208Y/120V secondary → Business Impact: Scalable power distribution for capital projects and upgrade programs, supporting faster deployment and better ROI → Application: Heavy machinery, machine control systems, and distributed power networks in factories.
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FAQs
This unit is a three-phase 75 kVA transformer with a 480V delta primary and 208Y/120V secondary. It fits standard indoor electrical rooms or control cabinets with a NEMA 1 enclosure (CASE E). Ensure adequate clearance, access to the 2 AT / 4 AT tap options for voltage tailoring, and compliance with 60 Hz service. Mounting footprint is substantial (32 in D, 66 in H, 50.5 in W) and weight is ~1208 lb, so plan rigging and ventilation accordingly.
The transformer is UL Listed and designed with a NEMA 1 enclosure, CASE E frame, and 115°C insulation rise. It also references NEMA ST-20 sound criteria and includes Weathershield RH6 for environmental compatibility. These certifications support compliance in regulated facilities and help with documentation during procurement and audits.
Yes. It is a three-phase, 75 kVA K-Factor nonlinear ventilated transformer optimized for industrial power distribution. The 480V delta to 208Y/120V secondary configuration supports common automation loads, while the K-Factor design helps manage harmonics in panelboards and drive systems. Its robust enclosure and insulation ratings help maintain reliability in demanding automation environments.
Electrical: 60 Hz operation, primary 480 V delta, secondary 208Y/120 V, 75 kVA, three-phase. Mechanical: 32 in D x 66 in H x 50.5 in W, weight ~1208 lb. Tap provisions are +2.5%/-2.5% via 2 AT and 4 AT options. Ensure sufficient mounting space, ventilation, and access to taps for field adjustments during commissioning.
Efficiency is Exempt, with a 115°C rise and 220°C insulation indicating robust thermal performance. UL listing and NEMA 1 enclosure reduce compliance risk. The 75 kVA rating supports heavy loads with scalable power distribution, contributing to longer service life and reduced downtime, which translates to lower lifecycle costs and faster project ROI in automation facilities.