Eaton N39M34T75CUEE Transformer - K-Factor Nonlinear
Part Number: N39M34T75CUEE
Quick Summary
Eaton K-Factor nonlinear ventilated transformer delivers reliable power conditioning for three-phase industrial systems. In busy facilities with harmonics and tight space, voltage stability and heat management can be persistent challenges. This unit aligns with NEMA TP-1 efficiency guidelines and offers certification status through the manufacturer for regulatory clarity. With copper windings and a robust 75 kVA rating, it helps optimize panel design, boost reliability, and reduce energy loss. For engineers and procurement teams, the combination of performance, compatibility, and Eaton’s support translates to lower lifecycle costs and faster project timelines.
Product Information
Extended Description
N39M34T75CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 400V, Taps: 2 at +2.5% /4 at -2.5%, SV 400Y/231V, 150°C rise w/ 200°C insulation systeam, 75 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N39M34T75CUEE
UPC
786680111846
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
910 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
Contact Manufacturer
Catalog Notes
NEMA TP-1 efficient.
Coil material
Copper
Wiring connection
283AC
Type
Nonlinear ventilated transformer
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
400 V
Secondary Voltage
400 Y/231 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 - N39M34T75CUEE
Feature → Business Impact → Application: The N39M34T75CUEE provides a 75 kVA three-phase capacity with a 400 V primary and 400Y/231 V secondary, delivering strong voltage regulation in harmonics-rich loads. This translates to improved equipment uptime and reduced power quality issues across manufacturing lines, data centers, and processing systems. The K-Factor nonlinear design helps manage harmonic currents, lowering transformer overheating risk and enabling longer insulation life in demanding environments. Application-wise, its copper windings and electrostatic shielding boost efficiency and reliability in critical applications, while the 150°C rise with a 200°C insulation system supports higher overload tolerance in peak demand periods. The unit’s taps at +2.5% and -2.5% provide voltage flexibility for variable supply conditions, enabling smoother machine operation and easier panel integration. Compatibility with WS19 weather shielding supports outdoor installation and rugged facility conditions, reducing commissioning time and maintenance needs. Overall, this transformer can lower energy losses, extend service life, and simplify regulatory compliance for power distribution upgrades.
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FAQs
Installation should follow standard three-phase mounting practices with the 916A frame and 283AC wiring. Ensure clearance for ventilation, secure the unit against mechanical vibration, and verify copper windings and electrostatic shielding orientation. Use the +2.5% and -2.5% taps to fine-tune voltage during commissioning and confirm WS19 weather shielding if installed outdoors.
Key specs include 75 kVA, three-phase, 400 V primary, 400Y/231 V secondary, 60 Hz, copper windings, and a 150 °C rise with a 200 °C insulation system. Taps provide +2.5% and -2.5% adjustments, and the unit features electrostatic shielding for improved reliability in harmonic environments.
Yes. The K-Factor nonlinear design targets harmonics management, reducing overheating risk and improving power quality in loads with significant harmonic content. The copper windings and shielding further mitigate losses, supporting stable operation in IGBT drives, furnaces, and other inductive/high-harmonic equipment.
Certifications are provided by the manufacturer on request; catalog notes indicate NEMA TP-1 efficiency. Eaton offers warranty terms and technical support—details are available through the Eaton channel—helping ensure regulatory alignment and timely project execution.
Warranty terms follow Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For service and maintenance, rely on Eaton-approved technicians to preserve insulation integrity and performance across the 75 kVA rating and 60 Hz operation.