Eaton N38M37T75CU Transformer - UL Listed
Part Number: N38M37T75CU
Quick Summary
Eaton N38M37T75CU transformer delivers high-capacity, three-phase power distribution for industrial facilities. Engineers struggle with harmonic distortion, voltage swings, and thermal limits that threaten uptime. This UL Listed unit supports 60 Hz operation and uses copper windings with an electrostatic shield to improve reliability in demanding environments. With a 75 kVA rating, a 380 V primary and a 380Y/220 V secondary, it integrates into modern power-distribution schemes, reducing maintenance and energy losses. Its K-Factor nonlinear design helps manage non-linear loads common in drives and power electronics, while the rugged frame 916A and weather shield WS19 support safe installation in open plant spaces.
Product Information
Extended Description
N38M37T75CU Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 380V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 380Y/220V, 150°C, 75 kVA, Cu windings, Elec. Shield, Frame: 916A
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N38M37T75CU
UPC
786680060748
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
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
Coil material
Copper
Type
Ventilated transformer
Design
K-13
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
380 V
Secondary Voltage
380Y/220 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 - N38M37T75CU
K-Factor nonlinear ventilated design minimizes harmonic heating, reducing thermal hotspots and extending transformer life, which lowers maintenance costs in facilities with variable motor loads and converters. Three-phase 75 kVA capacity provides headroom for evolving workloads, eliminating the need for multiple smaller transformers and simplifying panel design. The +/− tap changes (2 at +2.5%, 4 at −2.5%) offer voltage flexibility to accommodate site conditions without replacing equipment, improving first-time installation success and ongoing reliability. Copper windings and an electrostatic shield increase efficiency and short-circuit protection, delivering steadier voltage under load and easier compliance with electrical standards. Frame 916A and Weathershield WS19 enable straightforward mounting, weather resistance, and safer outdoor or semi-exposed installations. The 60 Hz rating and 150°C rise tolerance ensure robust performance in demanding environments while supporting long service intervals and predictable maintenance planning.
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FAQs
Yes. The N38M37T75CU is designed for 380 V primary input and 380Y/220 V secondary output in three‑phase configurations. It provides a 75 kVA rating, 60 Hz operation, and has voltage taps that support site variations. Ensure correct enclosure, clearance, and protection per local code, and verify that the frame 916A and Weathershield WS19 are suitable for your installation environment.
The transformer uses a K‑Factor nonlinear design to mitigate harmonic heating from non‑linear loads, improving temperature distribution and reliability. Combined with copper windings and an electrostatic shield, this reduces loss spikes and enhances protection against overheat during peak harmonic events, which translates to longer service intervals and lower maintenance costs in drives and power electronics-rich facilities.
Ideal for industrial power distribution in data centers, manufacturing floors, and process plants, especially where harmonics from drives, rectifiers, or other non-linear equipment are present. The 75 kVA rating, robust frame, and weather protection support outdoor or semi-exposed installations, while the voltage flexibility helps adapt to varying site conditions without replacement.
The N38M37T75CU carries UL Listed certification, confirming adherence to recognized electrical safety standards. This helps simplify procurement and installation approvals in North American facilities. No CE or IP rating is listed in the provided data; always verify applicable regional requirements for your project and consider additional protection strategies if operating in harsh environments.
With copper windings, electrostatic shielding, and a 150°C rise tolerance, this transformer offers durable performance and reduced risk of overheating. The 75 kVA rating supports scalable loads, potentially decreasing the need for multiple transformers. A one-year warranty from installation (or 18 months from shipment) provides initial risk mitigation while its reliability lowers total cost of ownership over the asset lifecycle.