Eaton N48M28T12LS47 K-Factor Transformer - UL Listed
Part Number: N48M28T12LS47
Quick Summary
The Eaton N48M28T12LS47 nonlinear ventilated transformer delivers power conditioning for data centers and manufacturing facilities. Engineers often contend with harmonics, noise, and tight space, and this unit mitigates those challenges with a robust K‑13 design. UL Listed safety certification supports compliance, while the electrostatic shield and 150°C rise rating provide enhanced protection in demanding environments. With a 112.5 kVA rating and aluminum windings, it offers efficient, reliable support for 480 V to 208Y/120 V distribution, reducing energy losses. In addition, the 47 dB sound profile and WS34 weather shielding enable installation near occupied spaces or outdoors, delivering long-term value and lower total cost of ownership.
Product Information
Extended Description
N48M28T12LS47 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, 112.5 kVA , Al windings, Elec. Shield, Frame: 917
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T12LS47
UPC
786680026522
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1250 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
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
112.5 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 - N48M28T12LS47
K‑Factor nonlinear K‑13 design improves harmonic management, reducing third‑harmonic currents and protecting downstream drives and controls. This translates to measurable uptime gains and longer motor life in busy data centers and process lines. Applications include large switchgear assemblies and critical low/medium voltage distribution where clean power is essential.112.5 kVA rating with 480 V primary and 208Y/120 V secondary provides centralized power conditioning for mid‑size facilities, enabling smoother panel integration and fewer distribution bottlenecks in plant networks. This supports reliability across essential loads and reduces the need for redundant transformers. Aluminum windings paired with an electrostatic shield enhance efficiency and fault containment, improving short‑circuit resilience while reducing heat generation, which lowers cooling requirements and operating costs. The 47 dB low sound profile and ventilated 917 frame support siting near offices or in open spaces, improving worker comfort and simplifying facility compliance. WS34 weather shielding enables outdoor or harsh environment operation, expanding deployment options without compromising performance. Tap settings of 2 at +2.5% FCAN and 4 at -2.5% FCBN provide voltage regulation under load swings, helping maintain nominal outputs for sensitive equipment and process controls.
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FAQs
This transformer is configured for three‑phase 480 V input with a 208Y/120 V secondary and weighs about 1250 lb. Install in a ventilated space with room for heat dissipation, access to cooling, and clearance for service. The WS34 weather shield supports outdoor or harsh environments, and the 17–20 inch installation clearance around the frame is advised for maintenance access and wire terminations.
Key specs include a 112.5 kVA rating, primary voltage of 480 V, secondary voltage of 208Y/120 V, three‑phase operation, 60 Hz, and taps: 2 at +2.5% and 4 at -2.5%. The unit features aluminum windings and an electrostatic shield, with a 150 °C rise rating to sustain performance under elevated load and temperature conditions.
Yes. The N48M28T12LS47 can be equipped with WS34 Weathershield for outdoor or exposed environments, helping maintain performance in harsher conditions while meeting space considerations in outdoor panel setups.
The transformer is UL Listed, ensuring compliance with essential safety standards for electrical equipment. This certification supports adherence to regulatory requirements in many facilities, simplifying procurement, installation and maintenance planning.
Aluminum windings and an electrostatic shield improve efficiency and fault tolerance, reducing heat generation and cooling energy use. The low noise profile (47 dB) and robust K‑Factor nonlinearity help minimize downtime and noise complaints, contributing to a lower total cost of ownership over the product’s life. Warranty is aligned with Eaton policy (1 year from installation or 18 months from shipment, whichever occurs first).