Eaton N48M47T75EE K-Factor Transformer - UL Listed
Part Number: N48M47T75EE
Quick Summary
Eaton N48M47T75EE nonlinear transformer provides robust voltage regulation for three-phase power distribution in industrial facilities. Engineers frequently contend with voltage variability that forces oversized equipment and complicates protection coordination under dynamic loads. UL Listed and NEMA TP-1 compliant, with catalog notes highlighting NEMA TP-1 efficiency, bolster reliability and regulatory compliance across installations. Designed for a 75 kVA service with a 480 V primary and 480Y/277 V secondary, it aligns with energy-efficiency goals while remaining compatible with standard industrial feeders and enclosure concepts.
Product Information
Extended Description
N48M47T75EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47T75EE
UPC
786680044342
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
792 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
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
Nema TP-1 efficient
Coil material
Aluminum
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480 Y/277 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M47T75EE
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design improves harmonic tolerance and fault current management, reducing nuisance trips and extending equipment life in demanding electrical environments. This translates into lower maintenance costs and greater uptime for manufacturing lines and mixed-load facilities. Feature → Business Impact → Application: A 75 kVA rating with a 480 V primary and 480Y/277 V secondary supports critical loads with consistent voltage regulation, minimizing outages and enabling reliable operation of sensitive equipment such as controls and drives in industrial plants. Feature → Business Impact → Application: Tap changes of 2 at +2.5% and 4 at -2.5% provide fine-tuning to accommodate voltage fluctuations, improving protection coordination and reducing voltage-related performance issues in facilities with variable supply. Feature → Business Impact → Application: Aluminum coil, 916A frame, and 60 Hz operation offer durable, corrosion-resistant construction with straightforward integration into existing distribution schemes, supporting easy installation alongside standard enclosures. Feature → Business Impact → Application: A 150 °C rise with 200 °C insulation system and NEMA TP-1 efficiency positioning deliver robust thermal performance and energy-efficient operation, translating to lower life-cycle costs and better compliance with efficiency guidelines. Feature → Business Impact → Application: UL Listed and NEMA TP-1 compliant status, along with WEATHERSHIELD WS19 protection, provide regulatory confidence and enhanced outdoor or semi-outdoor applicability in harsh environments while simplifying procurement and warranty considerations.
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FAQs
The N48M47T75EE uses a standard 916A frame and Suzuki–no, sorry—frame alignment compatible with common enclosure footprints. It features aluminum coil windings, 60 Hz operation, a 75 kVA rating, and a 480 V primary with 480Y/277 V secondary. Plan for proper ventilation, an appropriate weather shield (WS19 if outdoors), and adherence to UL Listed installation practices.
The 75 kVA three-phase transformer handles typical facility loads with strong voltage regulation. KT-13 K-Factor design improves harmonic tolerance, reducing overheating and distortion under transient or harmonic-rich conditions. Tap settings at +2.5% and -2.5% allow on-site voltage fine-tuning, minimizing voltage drop across feeders and protecting sensitive equipment.
Yes, the N48M47T75EE is suitable for data centers and manufacturing environments. Its K-Factor design mitigates harmonics from VFDs and drives, while the 480 V/480Y277 V configuration supports critical loads. UL Listed and NEMA TP-1 compliant status, plus efficient operation notes, help meet reliability and energy-performance targets for such facilities.
The transformer is UL Listed and NEMA TP-1 compliant. Catalog notes indicate NEMA TP-1 efficiency, aligning with energy-performance expectations. These certifications support code compliance, reliability, and eligibility for utility and project approvals in many industrial installations.
The unit’s aluminum coil, rugged 916A frame, and protective features (WEATHERSHIELD WS19) support long service life with lower corrosion risk and reduced maintenance. Its 75 kVA rating, efficient NEMA TP-1 operation, and UL certification contribute to lower ownership costs through energy savings, predictable performance, and a more straightforward warranty pathway.