Eaton N48M28T75LS47 K-Factor Ventilated Transformer - UL Listed
Part Number: N48M28T75LS47
Quick Summary
N48M28T75LS47 is a K-Factor nonlinear ventilated transformer for three-phase power distribution in industrial facilities. It minimizes noise and footprint while meeting reliability demands under variable loading. UL Listed for safety compliance; 150°C rise tolerance and electrostatic shielding provide robust protection in demanding environments. Ideal for data centers and manufacturing automation, it pairs with a 480 V primary and 208Y/120 V secondary to improve grid stability and reduce energy losses, delivering tangible business value through improved uptime and efficiency.
Product Information
Extended Description
N48M28T75LS47 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, 75 kVA , Al windings, Elec. Shield, Frame: 915D
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75LS47
UPC
786680026300
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
617 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
915D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 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
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75LS47
Feature → Business Impact → Application: The N48M28T75LS47 uses a K-Factor nonlinear design with aluminum windings and an electrostatic shield to improve power quality while reducing EMI introduced by nonlinear loads. This translates to fewer nuisance trips and better performance for sensitive automation equipment, such as programmable logic controllers and drives, in manufacturing lines. Application: data centers, factory floors, and automation cabinets benefit from steadier voltage profiles and improved electromagnetic compatibility.Feature → Business Impact → Application: With a 75 kVA rating and a 60 Hz, three-phase configuration, this transformer supports scalable power delivery from 480 V to 208Y/120 V, enabling modular expansion without re-architecture. Application: control rooms and panel assemblies in industrial facilities where standardized distribution is required and upgrades happen in stages.Feature → Business Impact → Application: Tap options—2 at +2.5% FCAN and 4 at -2.5% FCBN—allow precise voltage regulation under fluctuating loads, reducing equipment stress and extending component life. Application: sites with variable demand, such as melt shops or batch-processing lines, where voltage stability is critical.Feature → Business Impact → Application: Low sound level (47 dB) and WS39 weather shield readiness enable indoor and semi-ex outdoor installations with minimal acoustic impact and weather protections. Application: machine rooms and outdoor enclosures near noise-sensitive areas, where compliance and comfort matter.Feature → Business Impact → Application: Frame 915D, dimensions of 22 in L, 29 in W, 39 in H, and weight around 617 lb simplify footprint planning and installation, while aluminum windings and electrostatic shield support long-term reliability and EMI suppression. Application: retrofit projects and new installations requiring predictable form factors and dependable performance.
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FAQs
Install with the 915D frame footprint, allowing for a 22 in length, 29 in width, and 39 in height. Plan for forklift or crane access due to 617 lb weight, and ensure adequate clearance for ventilation and maintenance access. Use the electrostatic shield and UL-listed certification as part of your safety compliance checks during commissioning.
Yes. The transformer is UL Listed, offering safety compliance for industrial installation. It includes an electrostatic shield to reduce EMI, improving power quality for sensitive automation equipment and meeting typical facility safety and regulatory requirements.
Primary voltage is 480 V with a secondary of 208Y/120 V. Tap options include 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN, enabling fine voltage regulation under changing load or site conditions, which minimizes windings stress and maintains equipment performance.
Ideal for data centers, manufacturing automation, and general industrial power distribution. The 75 kVA rating supports mid-scale load centers, while the K-Factor nonlinear design handles non-linear loads common in drives and rectifiers, maintaining power quality and reducing harmonic impact.
Aluminum windings, electrostatic shielding, and a robust frame contribute to reliable operation and EMI suppression. The low-noise design (47 dB) reduces audible impact in occupied spaces, and the WS39 weather shield option provides environmental protection for outdoor or harsh environments, easing long-term maintenance.