Eaton N48M28T75SRTRS64X-US Transformer - 75 kVA, UL Listed
Part Number: N48M28T75ZCUEE
Quick Summary
Eaton N48M28T75SRTRS64X-US Transformer delivers reliable, K-factor nonlinear low-voltage power for industrial facilities. In real-world plants, voltage harmonics and harmonic currents can stress transformers and drive downtime; this unit mitigates those risks with a 75 kVA rating and non-linear design. UL Listed certification and a NEMA 4X enclosure, along with NEMA ST-20 sound provisions, support robust operation in challenging environments. By offering 480 delta to 208Y/120 V transformation with an aluminum winding and accessible tap settings, this transformer reduces commissioning time while delivering consistent performance for control panels and power distribution networks.
Product Information
Extended Description
N48M28T75ZCUEE 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, 150°C rise w/ 200°C insulation systeam, 75 kVA, ZC, UE, E
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75ZCUEE
UPC
786680050565
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
848 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, Easy install base
Coil material
Copper
Frame
916AZ
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75ZCUEE
Feature → Business Impact → Application: The K-Factor nonlinear design manages harmonic content more effectively, reducing overheating risk and extending equipment life in harmonic-rich loads such as drives and automated line controllers, enabling higher uptime. Feature → Business Impact → Application: A 75 kVA, three-phase configuration supports high-load equipment across production lines and motor drives, simplifying power distribution in switchgear and MCCs while maintaining voltage integrity. Feature → Business Impact → Application: Aluminum coil construction combined with a CASE D frame provides corrosion resistance and a lighter footprint, facilitating easier installation in tight plant spaces and reducing mounting stress. Feature → Business Impact → Application: NEMA 4X enclosure protection and UL Listed compliance offer reliability in washdown and outdoor environments, accelerating installation in packaging, food and beverage, and process facilities. Feature → Business Impact → Application: Tap settings of 2 at +2.5% FCAN and 4 at -2.5% FCBN enable precise voltage regulation to accommodate minor supply fluctuations, minimizing nuisance tripping in panel boards and control circuits. Feature → Business Impact → Application: A 150°C rise rating and documented sound performance (NEMA ST-20) support continuous operation under heavy loads, offering predictable performance in demanding manufacturing floors and plant rooms. Feature → Business Impact → Application: Test reports for sound and routine included streamline commissioning and QA processes, reducing risk during acceptance testing in automation projects and retrofits.
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FAQs
Yes. This unit is designed for a 480 V delta primary to 208Y/120 V secondary, three-phase operation. Wire the primary to 480 V delta with appropriate overcurrent protection, and connect the secondary to 208Y/120 V circuits with proper grounding. Use the taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN to fine-tune voltage as needed and verify enclosure integrity (NEMA 4X) during installation.
The K-Factor nonlinear design improves tolerance to harmonic currents, reducing overheating and insulation stress under harmonic-rich conditions typical of motor drives and controllers. This translates to more stable voltages, extended winding life, and lower risk of unexpected outages, though the unit itself is listed as 'Efficiency: Exempt,' so performance gains come from harmonic resilience and reliability rather than energy-star style efficiency labeling.
Industries with demanding automation and power distribution needs benefit most, including automotive manufacturing, packaging lines, machine shops, data centers, and process industries. The 75 kVA rating with 480 V to 208/120 V output supports control panels, drives, and critical support equipment, delivering stable supply for high-speed automation, robotics, and sensor networks.
The unit is UL Listed and ships with a NEMA 4X enclosure, offering robust protection in washdown and outdoor environments. It also conforms to standards signposted by NEMA ST-20 for sound ratings, and includes test reports for sound and routine maintenance, aiding regulatory compliance and commissioning.
Maintenance benefits stem from aluminum windings and a rugged CASE D frame that resist corrosion and reduce field maintenance. The unit’s robustness lowers downtime and extends service life, while included test reports speed commissioning. ROI improves through reduced transformer-related interruptions and predictable performance in harsh, high-cycle production environments.