Eaton N48M28F30CUEESRLS42 Transformer - UL Listed
Part Number: N48M28F30CUEESRLS42
Quick Summary
The Eaton N48M28F30CUEESRLS42 transformer powers three-phase low-voltage distribution in industrial facilities. Engineers often face noise, heat rise, and space constraints when upgrading power transformers in control centers. This unit is UL Listed and NEMA TP-1 compliant, with a certified low-sound profile to support compliant, quieter operation. Copper windings and a 115 °C rise rating deliver durable performance, while selectable taps enable precise voltage regulation for critical loads. The combination supports safer, more efficient power distribution across manufacturing lines and automation equipment, reducing downtime and maintenance costs over the asset lifecycle.
Product Information
Extended Description
N48M28F30CUEESRLS42 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, 30 kVA, Copper windings, EE, SRLS42
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F30CUEESRLS42
UPC
786680053436
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
448 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, Certified sound level report, Low sound equal to 42 dB
Coil material
Copper
Frame
912B
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 42 dB
Special features
Electrostatically Shielded
Weathershield
WS38
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F30CUEESRLS42
Feature: K-Factor nonlinear ventilated design reduces overheating in harmonic-rich environments. Benefit: Improves reliability and extends intervals between maintenance, enabling longer uptime for motor drives and automated processes. Application: automation panels and manufacturing lines where harmonic currents are common. Feature: Copper windings offer superior conductivity and thermal performance. Benefit: Lower I2R losses translate to measurable energy cost savings and cooler operation, improving overall plant efficiency. Application: high-current distribution in control rooms and switchgear assemblies. Feature: Tap changer with 2 at +2.5% and 4 at -2.5% enables voltage regulation under varying loads. Benefit: Maintains stable bus voltage for sensitive equipment and motors, reducing nuisance tripping and improving equipment life. Application: facilities with fluctuating input voltage or mixed load profiles. Feature: Low sound profile (42 dB) and enhanced shielding. Benefit: Quiet operation in space-constrained environments minimizes noise complaints and supports compliant audible requirements. Application: open-plan factories, instrument rooms, and automated lines near workspaces. Feature: Electrostatically shielded construction with WS38 weather shield protection. Benefit: Improved reliability in damp or dusty environments and extended service life in exposed installations. Application: outdoor installations or elevated enclosures where weather exposure is a concern.
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FAQs
This transformer is a three-phase, 30 kVA unit with 480 V primary and 208Y/120 V secondary, designed for standard low-voltage distribution in industrial enclosures. Its 912B frame and copper windings support straightforward mounting in common pad- or rack-mount configurations. Ensure enclosure clearances meet NEMA TP-1 requirements and verify tap settings are adjusted for stable voltage under expected load variations.
Key specs include 30 kVA, 480 V primary, 208Y/120 V secondary, 60 Hz, and copper windings. Tap settings are 2 at +2.5% and 4 at -2.5% to accommodate voltage fluctuations. The device is NEMA TP-1 compliant and UL Listed, with a 115 °C rise rating suitable for continuous duty in industrial environments.
Yes, particularly for automation lines and plant power distribution where clean voltage regulation, quiet operation, and reliable protection are crucial. The K-Factor nonlinear design helps manage harmonics from drives, while the low-sound 42 dB profile and electrostatic shielding reduce acoustic and EMI concerns, supporting sensitive automation equipment and data-center-adjacent panels.
The transformer is UL Listed and NEMA TP-1 compliant, with a certified sound level and low-noise performance. These certifications support regulatory compliance for many industrial facilities and electrical installations, simplify procurement for regulated projects, and help satisfy safety and performance criteria required by electrical codes.
Warranty follows Eaton’s policy (one year from installation or 18 months from shipment, whichever occurs first). Maintenance is typically minimal but should include periodic inspection of taps, insulation condition, and enclosure integrity. ROI benefits come from reduced energy losses due to copper windings, improved voltage regulation under varying loads, and lowered downtime from reliable, quiet operation in demanding environments.