Eaton N48M28B7516CUTRLS50 K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N48M28B7516CUTRLS50
Quick Summary
Eaton N48M28B7516CUTRLS50 K-Factor nonlinear ventilated transformer delivers reliable power distribution for industrial facilities. In harsh environments where space, noise, and efficiency targets collide, designers often struggle to meet DOE requirements without compromising performance. This unit carries UL Listed certification, DOE 2016 efficient notes, and a rugged NEMA 2 enclosure for indoor service, while using copper windings for long-term durability. The combination of a compact footprint, low sound (50 dB), and versatile floor or wall mounting translates into lower installed cost and easier compliance. For systems needing tight voltage control and scalable capacity, it supports energy-efficient operation and streamlined maintenance with proven industrial readiness.
Product Information
Extended Description
N48M28B7516CUTRLS50 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, 60 Hz, 220°C, 75 kVA, Floor or wall , Three-phase, 480 Delta V, 208Y/120 Vac80°C, 75 kVA, 480 Vac-208Y/120 Vac, DOE 2016, Low sound 50 dB
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B7516CUTRLS50
UPC
786680203978
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.
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
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
50 dB
Temperature rise
80 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield, certified test report of standard production tests for the specific serial number to be shipped
Special features
K-factor 13
Eaton's low-voltage dry-type distribution transformers
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Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28B7516CUTRLS50
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: K-Factor nonlinear design reduces harmonic impact on the power system, delivering improved reliability and lower total cost of ownership in continuous-duty environments; Application: data centers and manufacturing lines seeking stable voltage with minimal losses. | Feature → Business Impact → Application: 75 kVA three-phase transformer with 480 V primary to 208Y/120 V secondary supports critical loads while maintaining compact dimensions; Application: control panels and distribution boards in space-constrained facilities. | Feature → Business Impact → Application: NEMA 2 enclosure provides rugged indoor protection against dust and moisture, enabling longer service intervals; Application: shop floors and process lines requiring durable enclosures. | Feature → Business Impact → Application: copper windings offer superior thermal performance and longevity, reducing thermal rise under peak loads; Application: high-demand machines and servo systems. | Feature → Business Impact → Application: DOE 2016 efficiency compliance lowers energy consumption and operating costs over the life of the transformer; Application: energy-conscious facilities targeting sustainability targets. | Feature → Business Impact → Application: tap size options (+2.5%, -2.5%) enable precise voltage regulation to maintain downstream equipment performance; Application: systems with fluctuating input voltage or sensitive loads. | Feature → Business Impact → Application: low sound level of 50 dB minimizes acoustic impact in open-floor plans; Application: manufacturing cells near office areas or noise-sensitive zones. | Feature → Business Impact → Application: floor or wall mounting simplifies installation and optimizes space usage; Application: retrofit projects or new builds with limited footprint. | Feature → Business Impact → Application: 220 °C insulation supports higher thermal resilience and safety margins; Application: demanding industrial environments with elevated ambient temperatures. | Feature → Business Impact → Application: UL Listed certification and 10 CFR Part 431 DOE efficiency compliance ensure regulatory alignment and market acceptance; Application: procurement and compliance-sensitive projects.
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FAQs
This model is designed for a 480 V primary to 208Y/120 V secondary configuration and operates at 60 Hz. It supports floor or wall mounting in NEMA 2 enclosures, making it suitable for indoor industrial spaces with tight electrical layouts.
Key specs include 75 kVA three-phase rating, 480 V primary, 208Y/120 V secondary, 60 Hz, copper windings, 50 dB sound level, +2.5%/−2.5% tap options, 80 °C rise, and 220 °C insulation. DOE 2016 efficiency and UL Listed certification are also specified.
Yes. The unit is designed for floor or wall installation and comes in a NEMA 2 enclosure, supporting indoor use in manufacturing, processing, or control room environments where space optimization and rugged protection are priorities.
The transformer is UL Listed and complies with DOE 2016 efficiency requirements (10 CFR Part 431). It is built to meet industry standards for energy efficiency and safe indoor operation in commercial and industrial settings.
DOE 2016 efficiency reduces losses over the life of the transformer, delivering lower energy costs and better reliability in continuous-duty systems. When combined with a compact, low-noise design and durable copper windings, the model supports lower maintenance costs and improved uptime in high-demand environments.