Eaton N48M28B15CULS42 Transformer - UL Listed
Part Number: N48M28B15CULS42
Quick Summary
N48M28B15CULS42 is a K-Factor nonlinear ventilated transformer for three-phase power distribution in data centers. Engineers often face heat buildup, noise, and EMI in compact electrical rooms hindering uptime. UL Listed safety certification helps ensure code compliance, while copper windings and electrostatic shielding support reliability. This solution integrates with 480 V primary and 208Y/120 V secondary systems, delivering predictable performance for mission-critical loads. Its 15 kVA rating, 60 Hz operation, and 80 °C rise specification position it for scalable installations across industrial automation, HVAC, and data-center feeder upgrades. Beyond compliance, the unit’s low-profile footprint, 42 dB low sound rating, and shielded copper windings support easier installation and longer service life. With Eaton's warranty coverage and robust engineering, procurement teams can forecast maintenance costs and minimize downtime across critical loads.
Product Information
Extended Description
N48M28B15CULS42 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, 80°C, 15 kVA , Cu windings, Elec. Shield, Frame: 912B
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B15CULS42
UPC
786680025686
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
311 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 42 dB
Coil material
Copper
Type
Ventilated transformer
Design
K-13
Frame
912B
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
15 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °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 - N48M28B15CULS42
The K-Factor nonlinear ventilated design optimizes harmonic handling and heat dissipation, reducing hot spots and extending service life. This translates into lower maintenance costs and fewer unplanned outages for critical loads. The solution is ideal for data centers, machine controls, and process automation panels where steady power quality matters. With a 15 kVA three-phase rating and 480 V primary feeding a 208Y/120 V secondary, it supports scalable power distribution for automation systems, panel boards, and facility feeders, helping smooth voltage delivery and minimize drift under load changes. Copper windings paired with electrostatic shielding improve efficiency and EMI control, protecting sensitive electronics and sensors in harsh industrial environments. Tap settings of 2 at +2.5% FCAN and 4 at -2.5% FCBN provide voltage regulation under input variation, reducing risk of undervoltage or overvoltage on downstream equipment. The 80 °C rise specification enables reliable operation in warmer installations, while a 42 dB sound profile and compacto footprint simplify installation in space-constrained rooms. The WS38 weather shield option adds environmental protection, and UL Listed certification supports frontline safety compliance across plants and data centers.
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FAQs
When installing the N48M28B15CULS42, verify that your space accommodates the 912B frame and 311 lb weight. Plan for adequate clearance for ventilation, access to taps, and routine maintenance. Use a level mounting surface suitable for a three-phase cabinet or switchgear enclosure, with proper cable routing to minimize EMI and ensure safe servicing.
Key specs include 15 kVA, three-phase power, 480 V primary, 208Y/120 V secondary, 60 Hz operation, and an 80 °C rise rating. It features copper windings, an electrostatic shield, and taps at +2.5% FCAN and -2.5% FCBN for voltage regulation. The unit is UL Listed and delivers low sound at 42 dB.
Yes. Its 15 kVA rating, 480 V to 208Y/120 V output, and 60 Hz design fit typical data center feeder and automation panel loads. The electrostatic shielding and K-Factor nonlinear ventilation help manage harmonics and EMI, while the 42 dB sound level supports quieter operation in shared spaces.
The product is UL Listed, signaling compliance with essential safety standards for electrical equipment. This certification supports regulatory acceptance in many regions and simplifies procurement by providing a recognized safety baseline for industrial power distribution.
The unit carries Eaton’s warranty policy (one year from installation or eighteen months from shipment, whichever occurs first). With copper windings, shielded construction, and robust frame design, routine maintenance is minimized, reducing downtime and long-term maintenance costs in critical load applications.