Eaton N48M47T4516 K-Factor ventilated transformer - UL
Part Number: N48M47T4516
Quick Summary
Eaton K-Factor nonlinear ventilated transformer provides reliable power conditioning for industrial control panels in demanding environments. Engineers face heat management challenges and rising energy costs when selecting dry-type transformers for 24/7 operations. UL Listed status and alignment with DOE 2016 efficiency requirements ensure safety and regulatory compliance, while a NEMA 2 enclosure adds rugged indoor protection. By leveraging aluminum windings and a compact footprint, this transformer supports scalable installations and lower total cost of ownership, making it a solid choice for 480 V distributions and 480Y/277 V secondary needs in manufacturing, facilities, and data centers.
Product Information
Extended Description
N48M47T4516 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, 60 Hz, 220°C, 45 kVA , Three-phase, 480 Delta V, 480Y/277 Vac, NEMA ST-20, 150°C, 45 kVA, 480 Vac-208Y/120 Vac, WS59, 295B, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47T4516
UPC
786680196058
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 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
Wiring connection
295B
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
45 kVA
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480Y/277 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS59
Eaton's low-voltage dry-type distribution transformers
Eaton's low-voltage dry-type distribution transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M47T4516
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The N48M47T4516 uses K-Factor 13 nonlinear optimization to minimize harmonic stress on the upstream power system, reducing heat and improving overall reliability for critical loads in manufacturing lines and automation systems. This yields measurable efficiency gains and lower maintenance costs when deployed in high-cycle environments. Feature → Business Impact → Application: Aluminum windings reduce weight and material cost while maintaining electrical performance, supporting faster installation and easier retrofits in crowded switchgear rooms and retrofitted panels. Application: suitable for space-constrained enclosures in plant floors and retrofit projects requiring retrofit-friendly transformers. Feature → Business Impact → Application: NEMA 2 enclosure delivers robust indoor protection against dust and moisture, enabling durable operation in warehouse environments and assembly lines without expensive outdoor housing. Application: ideal for indoor dry-type distribution in controlled facilities. Feature → Business Impact → Application: DOE 2016 efficiency compliance and 10 CFR Part 431 alignment provide regulatory confidence and potential energy savings, benefiting facilities aiming to meet energy codes and reduce operating costs. Application: suitable for data centers and process lines seeking compliant, efficient power distribution. Feature → Business Impact → Application: Three-phase 45 kVA rating with 480 V primary and 480Y/277 V secondary supports scalable installations, reducing the need for multiple smaller units and enabling standardized panel designs in factories and campuses. Application: large motor drives and split-phase loads in manufacturing and distribution centers.
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FAQs
Yes. The N48M47T4516 is designed for 480 V primary and 480Y/277 V secondary distributions in three-phase power networks. Its wiring connection is specified as 295B, and its primary/secondary configurations support common industrial bus layouts, simplifying integration with existing switchgear and panel boards while maintaining safe, compliant voltage regulation.
Key metrics include a 45 kVA rating, 60 Hz frequency, three-phase operation, primary voltage of 480 V, and secondary voltage of 480Y/277 V. It features a 150 °C temperature rise, aluminum windings, and a K-factor 13 for improved harmonic handling. Efficiency is DOE 2016 compliant, and insulation is rated to 220 °C.
This transformer excels in indoor industrial settings such as manufacturing floors, automation panels, data centers, and distribution rooms. Its NEMA 2 enclosure protects against dust and moisture, while the compact footprint and modular windings support scalable panel designs, retrofit projects, and energy-code compliant power distribution for critical loads.
The N48M47T4516 is UL Listed and DOE 2016 compliant (10 CFR Part 431), ensuring safety and energy-efficiency alignment with current regulations. It also carries features like an electrostatic shield and K-factor 13, which support regulatory and industry-standard expectations for power transformers used in commercial and industrial facilities.
Maintenance is typically minimal due to robust dry-type construction and a static shield option. The 18-month shipment or 1-year installation warranty provides initial protection, while energy efficiency (DOE 2016) reduces operating costs over time. A single 45 kVA unit can reduce lifecycle costs by consolidating loads and simplifying motor-drive or PLC-based distribution schemes.