Eaton N48M28T22LS52 K-Factor Transformer - UL Listed
Part Number: N48M28T22LS52
Quick Summary
The Eaton N48M28T22LS52 provides harmonic-aware three-phase power transformation for critical industrial loads. Facilities often struggle with rising energy costs, overheating, and unpredictable harmonics from older transformers, which erode efficiency and shorten equipment life. UL Listed safety certification validates compliance with electrical safety standards; the K-13 design delivers efficient cooling at high kVA and a 150°C rise. For buyers, its ventilated design, aluminum windings, and integrated shield translate to lower operating temperatures, better efficiency, and easier long-term maintenance.
Product Information
Extended Description
N48M28T22LS52 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 480V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 225 kVA , Al windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T22LS52
UPC
786680027482
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1794 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
UL Listed
Catalog Notes
Low sound equal to 52 dB
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
225 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 52 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T22LS52
The K-Factor nonlinear design addresses harmonic currents, improving power quality and reducing losses in critical circuits. This translates to lower neutral conductor stress and improved reliability for sensitive equipment in data centers and manufacturing lines. The business impact is tangible: steadier voltages, reduced equipment wear, and better compliance with harmonic limits across dynamic loads. The three-phase 225 kVA system operates at 60 Hz with a 480 V primary and a 208Y/120 V secondary, delivering consistent performance for heavy-duty infrastructure and automated processes. Aluminum windings paired with an electrostatic shield provide robust heat management and EMI containment, supporting longer service life in demanding environments. The ventilated frame 918A construction enhances cooling, enabling higher loading profiles and faster thermals recovery after peak demand. The 2 at +2.5% FCAN and 4 at -2.5% FCBN taps give voltage regulation flexibility to protect critical equipment from fluctuations. Low sound at 52 dB and the WS34 weather shield reduce acoustic and environmental impact in shared spaces, while UL Listed certification underpins safety and reliability. In practice, installers appreciate the straightforward compatibility with standard Eaton distribution catalogs and the clear installation path for relocation or expansion projects, minimizing downtime during upgrades.
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FAQs
This transformer weighs 1794 lb and has dimensions of 30.68 in (L) x 62.18 in (H) x 31.44 in (W). Ensure adequate clearance, mounting provisions, and proper ventilation. Use the WS34 weather shield if installed outdoors or in exposed environments. Plan for three-phase, 480 V primary and 208Y/120 V secondary wiring, plus the two voltage-tap options (+2.5% and -2.5%).
The unit is a 225 kVA, three-phase transformer rated for 60 Hz operation with a 480 V primary and 208Y/120 V secondary. It features aluminum windings, an electrostatic shield, a 150°C rise, and taps at +2.5% FCAN and -2.5% FCBN to accommodate voltage variation on site.
Yes. The K-Factor nonlinear design helps manage harmonic distortion common in data centers and other IT-heavy facilities. Its quiet operation (52 dB), aluminum windings, shielded construction, and robust 225 kVA rating support reliable power delivery to sensitive IT loads while maintaining power quality and uptime.
The N48M28T22LS52 carries UL Listed certification, signaling conformance with recognized electrical safety standards. When planning installations, ensure local codes and company standards are met, and reference Eaton’s warranty terms for coverage during the first year of installation or 18 months from shipment, whichever comes first.
Eaton backs this transformer with a one-year warranty from installation or 18 months from shipment, whichever occurs first. Routine maintenance focuses on verifying wiring integrity, clearances, cooling airflow, and tap settings. Given the ventilated design and shielded windings, significant maintenance savings are realized through improved reliability and reduced thermal stress on connected equipment.