Eaton N48M47B7516CU K-Factor nonlinear ventilated transformer - UL Listed

Part Number: N48M47B7516CU
Manufacturer
Eaton
Part number
N48M47B7516CU

Quick Summary

Eaton N48M47B7516CU is a K-Factor nonlinear ventilated transformer for 3-phase distribution at 480 V. Facilities face heat, efficiency mandates, and regulatory compliance challenges during transformer upgrades. UL Listed, DOE 2016 Efficient, and 60 Hz operation help ensure safe, compliant installations. This model delivers reliable power with copper windings and a shielded design. Using it reduces energy losses and simplifies sourcing for industrial power distribution projects. Its 75 kVA rating supports medium-load scenarios. With a NEMA 2 enclosure and floor or wall mounting, it integrates into crowded plant environments while offering straightforward wiring via 283B. The design also supports electrostatic shielding and K-factor 13 for enhanced fault tolerance and power quality.

Product Information

Extended Description

N48M47B7516CU Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, FR943, 60 Hz, 220C, 75 kVA, Three-Phase, 480 to 480Y/277, 80C rise, Shielded, DOE 2016, WS60, 283B, K13
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47B7516CU
UPC
786680245053
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1394 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Insulation
220 °C
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
75 kVA
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480Y/277 V
Sound Level
NEMA ST-20
Temperature rise
80 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS60
K-Factor nonlinear ventilated design optimizes response to nonlinear loads and fault currents. This improves power quality and reduces heat buildup, extending equipment life and reducing maintenance. In real-world plants, that translates to fewer unexpected shutdowns on critical lines and smoother operation of sensitive drives and controls. Copper windings deliver lower electrical resistance and reduced winding losses compared with alternative materials. The result is lower operating heat and improved efficiency under load, which lowers energy costs over the transformer’s life. This is especially beneficial for control panels, motor drives, and processes where steady voltage is essential. DOE 2016 Efficient status ensures the transformer meets contemporary energy performance standards. Coupled with 80 °C rise and 60 Hz operation, it supports compliant, reliable performance across industrial environments. Customers can document energy savings during audits while maintaining productive uptime. The NEMA 2 enclosure provides robust protection against dust and moisture in factory floors. Floor or wall mounting offers flexible installation in space-constrained facilities. Wiring uses 283B connections to align with Eaton’s installation practices and reduces field wiring errors. Electrostatic shield and shielded construction minimize EMI and enhance short-term fault tolerance. The WS60 weathershield option adds environmental protection for outdoor or damp installations. With a 75 kVA rating and primary 480 V to secondary 480Y/277 V, it matches common mid-range load profiles. A two-tap +2.5% and four-tap -2.5% setting provides practical voltage regulation under fluctuating supply. The 480 V / 480Y/277 V configuration supports efficient distribution to feeders and MCCs. In addition, the enclosed design incorporates UL Listed safety and meets DOE 2016 efficiency requirements.

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FAQs

The transformer supports a 480 V three-phase primary and 480Y/277 V secondary, rated at 75 kVA, with a 60 Hz frequency. It uses a 283B wiring connection and is designed for stable voltage delivery to feeders, motor drives, and control panels. Proper coupling with Eaton installation practices helps ensure reliable performance in industrial environments.
Plan for floor or wall mounting with upright orientation in a NEMA 2 enclosure to protect against dust and moisture. The unit measures approximately 31.5 in deep, 34.5 in wide, and 51 in tall, with a weight around 1394 lb. Ensure adequate clearance for ventilation, service access, and wiring via 283B connections, following Eaton installation guidelines.
The N48M47B7516CU is UL Listed and DOE 2016 Efficient, reflecting compliance with modern safety and energy performance requirements. It operates at 60 Hz and is designed to meet 10 CFR Part 431 Efficient standards, supporting regulatory alignment for commercial and industrial installations.
Yes. With DOE 2016 efficiency, a K-Factor 13 nonlinear design, and copper windings, the transformer minimizes losses and heat, lowering standby and running energy costs. The 75 kVA rating suits mid-range loads common in manufacturing lines, conveyors, and presses, contributing to measurable annual energy savings while maintaining system reliability.
Industries with demanding power quality and regulatory needs benefit most, including manufacturing plants, data centers, and process facilities. The NEMA 2 enclosure, electrostatic shield, and WS60 protection support both indoor and damp environments, while the 480 V to 480Y/277 V configuration suits MCCs, panels, and critical control circuits requiring stable voltages.