Eaton N48M28T7516SRLS49 K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N48M28T7516SRLS49
Quick Summary
The Eaton N48M28T7516SRLS49 is a K-Factor nonlinear ventilated transformer for industrial power distribution. Plants today contend with harmonic distortion, energy costs, and limited space that hinder uptime and efficiency. UL Listed certification, DOE 2016 efficiency, and a NEMA 2 enclosure ensure compliance and rugged indoor readiness. Floor or wall mounting and a compact footprint support flexible installation in control rooms, switchgear, or line-side applications. With aluminum windings and a 75 kVA rating, it delivers reliable, scalable power for 480 V to 208Y/120 V systems. In practice, this design minimizes harmonic currents, reduces noise to 49 dB, and aligns with DOE 2016 energy standards.
Product Information
Extended Description
N48M28T7516SRLS49 Eaton: Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, 60 Hz, 220°C, 75 kVA, Floor or wall , Three-phase, 480 Delta V, 208Y/120 Vac, Low sound 49 dB, 150°C, 75 kVA, 480 Vac-208Y/120 Vac, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T7516SRLS49
UPC
786680197314
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1.1 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
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Insulation
220 °C
Mounting
Floor or wall
Tap size
2 at +2.5%, 4 at -2.5%
Frequency rating
60 Hz
Kva Rating
75 kVA
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
49 dB
Temperature rise
150 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield, certified sound level test report
Special features
K-factor 13
Eaton's high-efficiency dry-type transformers
Eaton's high-efficiency dry-type transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T7516SRLS49
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The K-Factor 13 nonlinear design reduces harmonic distortion in critical loads, improving power quality, lowering cabinet temperatures, and reducing maintenance costs across automated lines. This translates to longer equipment life and steadier production uptime in manufacturing environments. Feature → Application: Three-phase 75 kVA capacity at 480 V primary and 208Y/120 V secondary enables seamless integration with motor drives, control panels, and line-side feeders, delivering consistent power for demanding processes. Feature → Business Impact → Application: Aluminum windings deliver robust performance with corrosion resistance and cost efficiency, supporting lighter maintenance burdens and lower long-term ownership costs in harsh plant environments. Feature → Enclosure and mounting: NEMA 2 enclosure with floor or wall mounting simplifies installation in crowded electrical rooms, switchyards, or machine centers while meeting indoor protection requirements. Feature → Noise and efficiency: Sound level of 49 dB and DOE 2016 efficiency ensure quieter operation and energy compliance, helping facilities meet noise regulations and reduce utility bills.
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FAQs
Installers should plan for a floor- or wall-mounted arrangement in a protected indoor space with adequate clearance per your facility’s wiring and clearance standards. The NEMA 2 enclosure provides indoor protection, and the unit supports a +2.5% to -2.5% tap configuration. Ensure 480 V input and 208Y/120 V output wiring is sized for 75 kVA and that the electrostatic shield test requirements are met during commissioning.
The transformer features a K-Factor 13 nonlinear design that mitigates harmonic currents commonly associated with modern loads. This improves power quality, reduces overheating risk in downstream equipment, and supports compliance with harmonic limits in facility power systems, resulting in fewer nuisance trips and longer life for downstream drives and controllers.
Yes. The N48M28T7516SRLS49 carries UL Listing and meets DOE 2016 efficiency criteria per 10 CFR Part 431, aligning with energy standards for dry-type distribution transformers. This dual compliance supports regulatory acceptance, lowers energy costs, and simplifies procurement for projects with strict certification requirements.
This transformer suits motor control centers, automated production lines, and process equipment that require reliable three-phase power with a 480 V to 208Y/120 V step-down. The 75 kVA rating accommodates moderate-to-large loads, while the compact footprint and floor/wall mounting enable easy integration into tight electrical rooms and switchgear assemblies.
The unit carries Eaton’s standard warranty policy (one year from installation or 18 months from shipment, whichever occurs first) and includes a certified sound level test report. Routine maintenance focuses on enclosure integrity, insulation conditions (rated to 220 °C), and verifying tap settings. Regular inspections help sustain efficiency and confirm compliance with DOE 2016 and UL requirements.