Eaton N44M31T75E6 Nonlinear Transformer - UL Listed
Part Number: N44M31T75E6
Quick Summary
The Eaton N44M31T75E6 nonlinear transformer delivers 75 kVA for robust three-phase power distribution in industrial facilities. Engineers often battle harmonic distortion and unstable secondary voltages that disrupt sensitive equipment; this transformer mitigates those challenges with a K-Factor nonlinear design and reliable ventilation. UL Listed certification, a NEMA 2 enclosure, and electrostatic shielding add safety and EMI control for indoor installations. With copper windings and precise voltage taps, it supports efficient deployment in motor control centers, plant buses, and distribution panels, helping manufacturers improve uptime and energy efficiency while meeting rigorous industrial standards.
Product Information
Extended Description
N44M31T75E6 Eaton: K FACTOR NONLINEAR VENTILATED TRANSFORMER 75 KVA 3F.
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N44M31T75E6
UPC
786680234132
Product Length/Depth
71.67 cm
Product Height
123.34 cm
Product Width
59.48 cm
Product Weight
366.96 kg
Warranty
Certifications
UL Listed
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
283B
Type
Nonlinear, ventilated transformer
Design
KT-13
Frame
915D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220Y/127 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M31T45CU
Feature: K-Factor nonlinear, ventilated design → Business Impact: Reduces harmonic heat and improves load stability, extending transformer life and protecting connected drives. Application: Ideal for plants with nonlinear loads such as VFDs and automation controllers in manufacturing lines. Feature: Copper coil windings → Business Impact: Lower resistance, higher efficiency, and better thermal performance, decreasing cooling requirements and operating costs. Application: Continuous-duty service in production environments and control cabinets. Feature: NEMA 2 enclosure → Business Impact: Indoor-ready protection against dust and moisture, enabling safer installation in factory floors and switchgear rooms. Application: Indoor power distribution panels and control rooms. Feature: Tap size capability (+2.5% FCAN, -2.5% FCBN) → Business Impact: Voltage regulation to accommodate supply fluctuations, reducing device stress and maintenance. Application: Facilities with irregular incoming service or varying loads. Feature: 75 kVA three-phase, 60 Hz, 480 V primary to 220Y/127 V secondary → Business Impact: Sizing aligned with common industrial loads and motor starters, enabling scalable distribution. Application: Motor control centers, panel boards, and process lines. Feature: Electrostatic shielding and Weathershield WS39 option → Business Impact: EMI suppression and moisture protection for longer service life in challenging environments. Application: Assembly lines and enclosed switchgear with higher contamination risk. Feature: UL Listed certification and copper winding durability → Business Impact: Compliance assurance and reliability for regulated facilities, supporting maintenance planning and procurement approvals. Application: Plant-wide deployments requiring formal safety attestations.
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FAQs
Plan for a three-phase 480 V primary and 220Y/127 V secondary with 60 Hz operation. Ensure indoor installation within a NEMA 2 enclosure, proper ventilation, and clearance per manufacturer guidelines. The unit uses 283B wiring and offers taps at +2.5% and -2.5% for voltage regulation. Factor UL compliance into your safety documentation.
The transformer provides 75 kVA in a three-phase configuration, with a 480 V primary and 220Y/127 V secondary. It operates at 60 Hz and uses copper windings for efficiency. It is UL Listed and features a heat-tolerant design with a 150 °C rise, supporting reliable performance under heavy industrial loads.
Yes. Its 75 kVA capacity, three-phase configuration, and robust cooling make it suitable for motor control centers and similar power-distribution zones. The K-Factor nonlinear design helps manage harmonics from drives, while the copper windings and shielded construction improve reliability in mission-critical environments.
The unit is UL Listed, ensuring safety compliance for industrial installations. It features a copper-coil winding design, a NEMA 2 enclosure for indoor protection, and electrostatic shielding to minimize EMI. Optional Weathershield WS39 can be specified for enhanced environmental protection in challenging facilities.
Compatibility is aided by standard wiring connection 283B, a compact frame (915D), and voltage taps for regulation (+2.5% and -2.5%). The 60 Hz, 480 V to 220Y/127 V configuration aligns with common industrial power networks, simplifying panel integration and reducing engineering time for new installations.