Eaton N48M28F12LS47 K-Factor ventilated transformer - UL

Part Number: N48M28F12LS47
Manufacturer
Eaton
Part number
N48M28F12LS47

Quick Summary

Eaton N48M28F12LS47 K-Factor nonlinear ventilated transformer provides reliable three-phase power for critical distribution panels. Manufacturers often struggle with noise, efficiency losses, and downtime when transformers operate under heavy loads. UL Listed safety certification supports compliance on installations, while the K-13 design and electrostatic shielding enhance reliability. In practical terms, this solution delivers lower maintenance costs and steadier availability for industrial power distribution, supporting uptime and cost per kilowatt improvements.

Product Information

Extended Description

N48M28F12LS47 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, 115°C, 112.5 kVA , Al windings, Elec. Shield, Frame: 917
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F12LS47
UPC
786680026508
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1298 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
115 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS34
K-13 K-Factor nonlinear design delivers robust fault current handling and harmonic mitigation, reducing electrical stress on upstream gear and improving system reliability for high-peak demand applications. Business impact: fewer unplanned outages, longer transformer life, and lower spare parts inventory for critical lines in manufacturing and data-center environments. Application: ideal for mid-to-large scale distribution where reliable power quality is essential and space is at a premium. Aluminum windings combined with electrostatic shielding improve efficiency and EMI control, lowering operating temperatures and protecting sensitive controls on automation lines. Business impact: improved energy efficiency, reduced cooling loads, and better electromagnetic compatibility in crowded plant floors. Application: suitable for OEM panels, machine centers, and process control rooms that demand stable voltages under load fluctuations. 112.5 kVA rating at 60 Hz with primary 480 V to secondary 208Y/120 V supports common industrial power architectures, enabling straightforward integration into existing electrical rooms. Business impact: streamlined procurement and faster commissioning for panel builders and engineers. Application: data centers, food & beverage processing, and heavy manufacturing requiring dependable, scalable power distribution. Tap configurations (2 at +2.5% FCAN, 4 at -2.5% FCBN) provide voltage regulation under varying loads, reducing the risk of under- or over-voltage conditions. Business impact: minimizes equipment wear and protects sensitive drives and PLC inputs. Application: precision automation lines and robotics stations that demand tight voltage control. The low sound catalog note of 47 dB and WS34 weather shield support quiet, outdoor, or near-occupancy installations. Business impact: compliance with noise limits and protection in configurable outdoor installations. Application: switchgear rooms adjacent to production areas or exterior equipment enclosures. Frame 917 and 56.17 in height convey a compact footprint for multi-bay installations, while 24.67 in depth and 31.44 in width align with standard transformer footprints. Weight at 1298 lb confirms a sturdy, vibration-resistant unit for vibration-prone environments. Warranty follows Eaton policy (one year from installation or eighteen months from shipment), aiding total cost of ownership planning. Application: long-term maintenance planning and service contract scoping for facilities managers.

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FAQs

The transformer is a three-phase unit with a 480 V primary and 208Y/120 V secondary designed for standard electrical rooms or outdoor enclosures using WS34 weather shielding. It fits common footprint dimensions (frame 917) and supports field-tap adjustments to maintain voltage within ±2.5% on either side, simplifying integration with existing distribution boards and protection schemes.
Key specs include a 112.5 kVA rating, 60 Hz operation, primary 480 V, secondary 208Y/120 V, aluminum windings, electrostatic shield, and a temperature rise of 115 °C. It uses a K-13 design for nonlinear loading, with taps of 2 at +2.5% FCAN and 4 at -2.5% FCBN to support voltage regulation under load.
Yes. Catalog notes specify a low sound output of 47 dB, and the WS34 weather shield aids outdoor installation. This combination helps keep noise within acceptable levels in equipment rooms adjacent to workspaces or near sensitive automation equipment.
The product is UL Listed, providing recognized safety certification for electrical equipment installations. This supports compliance in many industrial facilities and reduces supplier qualification time during audits and touchpoint reviews.
A one-year warranty from installation (or 18 months from shipment) reduces risk during early operation. The aluminum windings, electrostatic shielding, and low-noise design contribute to higher reliability and lower maintenance costs over time, delivering improved uptime and a lower total cost of ownership for power-distribution installations.