Eaton N48M28T49LS47 K-Factor transformer - UL Listed
Part Number: N48M28T49LS47
Quick Summary
K-Factor transformer from Eaton provides reliable three-phase power isolation for data centers and industrial facilities. This design addresses inrush, noise, and maintenance costs that challenge large facilities. UL Listed certification ensures safety and compliance across many markets. With 150 kVA capacity, a 480 V primary and 208Y/120 V secondary, it supports stable distribution under varying loads. Aluminum windings, an electrostatic shield, and frame 918A contribute to durability in harsh environments. A low noise level of 47 dB and optional WS34 weather protection extend applicability to sensitive installations while maintaining efficient performance. Tap adjustments (+2.5% FCAN, -2.5% FCBN) provide voltage fine-tuning for diverse site conditions.
Product Information
Extended Description
N48M28T49LS47 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, 150 kVA , Al windings, Elec. Shield, Frame: 918A
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T49LS47
UPC
786680025365
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1438 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 47 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
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T49LS47
Feature: K-Factor nonlinear transformer design with aluminum windings and an electrostatic shield reduces inrush and EMI. Business impact: lower peak currents, reduced wear on upstream equipment, and longer life for connected drives and control systems. Application: ideal for data centers, manufacturing lines, and process plants where voltage stability and equipment protection are critical. Feature: 150 kVA three-phase rating at 60 Hz with 480 V primary and 208Y/120 V secondary. Business impact: supports standard distribution with room for load growth, reducing the number of transformers required and simplifying procurement. Application: suitable for critical feeders in data centers, automation rooms, and plant-wide distribution networks. Feature: Tap settings with 2 at +2.5% FCAN and 4 at -2.5% FCBN. Business impact: precise voltage regulation enables balanced loads and reduced regulator wear. Application: installations facing supply fluctuations or long feeders. Feature: Low sound level of 47 dB and WS34 weather shield compatibility. Business impact: quieter operation and extended outdoor versatility without compromising cooling or enclosure integrity. Application: data centers next to offices, outdoor equipment enclosures, or industrial facilities with noise restrictions. Feature: Heavy-duty frame 918A and aluminum windings deliver rugged durability and efficient heat management. Business impact: longer service life and lower replacement costs. Application: harsh manufacturing floors and remote sites. Feature: UL Listed safety certification and warranty support reduces risk and accelerates procurement. Business impact: easier compliance reporting and predictable after-sales service. Application: any industrial installation requiring third-party validation and reliable support. Feature: Integration compatibility with standard electrical distribution gear and common terminations. Business impact: reduces commissioning time and simplifies inventory management. Application: new builds and upgrades across data centers, manufacturing lines, and process facilities. Feature: Electrostatic shielding reduces EMI and protects sensitive electronics; improves signal integrity and troubleshooting efficiency. Business impact: fewer anomalies and faster diagnostics. Application: high-precision automation and control networks.
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FAQs
Plan for a dedicated, level floor space capable of supporting 1438 lb. The unit measures 30.68 in (L) x 62.18 in (H) x 31.44 in (W); provide clearance for connections, cooling, and maintenance access. Mounting in a secure location with proper electrical terminations and a suitable enclosure is essential for reliable operation.
It is a 150 kVA, three-phase transformer with 60 Hz frequency, 480 V primary, and 208Y/120 V secondary. Aluminum windings, frame 918A, and a 150°C rise rating support demanding applications. Tap settings include 2 at +2.5% and 4 at -2.5%, and the unit operates with UL Listed safety standards.
Yes. The 150 kVA rating, tight voltage regulation via taps, low noise 47 dB, and electrostatic shielding make it a strong fit for data centers and manufacturing lines that require stable power delivery, EMI control, and reliable uptime, even under fluctuating loads.
The unit is UL Listed, confirming safety compliance for many markets. This certification supports procurement and installation in regulated environments. Always verify market-specific requirements, as additional regional standards may apply depending on installation location.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Regular maintenance of cooling pathways and connections is advised to sustain performance, with Eaton support available for commissioning, spare parts, and diagnostics as part of the warranty terms.