Eaton N38M37T22CU Transformer - UL Listed, 225 kVA K-Factor
Part Number: N38M37T22CU
Quick Summary
Eaton N38M37T22CU is a three-phase, K-Factor nonlinear ventilated transformer designed for high-capacity industrial power distribution. It helps engineers avoid overheating and downtime by delivering superior thermal management and reliable voltage regulation under peak loads. This model carries UL Listed certification, with copper windings and an electrostatic shield to enhance safety and electrical performance; CE and other ratings are not specified in the datasheet. Designed for 380 V primary and 380Y/220 V secondary systems, it integrates with existing power infrastructure while maintaining robust 60 Hz operation. Together, these features translate to lower lifecycle costs, easier procurement within Eaton’s ecosystem, and predictable performance in demanding manufacturing and distribution environments.
Product Information
Extended Description
N38M37T22CU 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, 225 kVA, Cu windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N38M37T22CU
UPC
786680058875
Product Length/Depth
32.65 in
Product Height
57.54 in
Product Width
36.69 in
Product Weight
2226 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
923
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
225 kVA
Phase
Three-phase
Primary voltage
380 V
Secondary Voltage
380Y/220 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS37
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N38M37T22CU
Feature: K-13 nonlinear ventilated design delivers targeted cooling under heavy load, improving transformer longevity and reducing maintenance cycles. Business Impact: Lower operating temperatures translate to fewer thermal faults and more predictable uptime in demanding environments. Application: Ideal for motor drives and critical manufacturing lines where heat management directly affects productivity. Feature: 225 kVA rating with 380 V primary and 380Y/220 V secondary at 60 Hz provides robust medium-to-large load handling. Business Impact: Enables fewer transformer banks and simplified distribution schemes, reducing capital expenditure. Application: Plant feeders and control panels with tight voltage control requirements. Feature: Copper windings and electrostatic shield improve efficiency and EMI performance. Business Impact: Lower copper losses and better EMI containment reduce energy waste and interference with sensitive controls. Application: Data centers, CNC machines, and automated lines with stringent EMI limits. Feature: Tap changers—2 at +2.5% FCAN and 4 at -2.5% FCBN—enable voltage regulation to match supply fluctuations. Business Impact: Minimizes external regulation needs and stabilizes downstream equipment voltage. Application: Facilities facing grid variance or long feeder runs. Feature: Weathershield WS37 and UL Listed certification provide rugged outdoor reliability and safety compliance. Business Impact: Protects against environmental exposure and simplifies qualification for outdoor installations. Application: Outdoor substations, loading docks, and exposed equipment rooms. Feature: Frame 923 with a weight of 2226 lb and substantial construction supports forklift-friendly installation and long service life. Business Impact: Reduces installation time and lifecycle costs in heavy-duty industrial environments. Application: Large manufacturing facilities and power distribution centers requiring durable, maintenance-friendly gear.
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FAQs
Install on a flat, solid foundation with level clearances, ensuring load weight capacity supports the 2226 lb transformer. Use appropriate lifting equipment for handling and place on vibration-dampening supports. Connect primary to 380 V and secondary to 380Y/220 V networks, observe proper grounding and shield integrity, and protect ingress with the WS37 weather shield as needed.
Key specs include a 225 kVA rating, 60 Hz frequency, three-phase configuration, 380 V primary voltage, and 380Y/220 V secondary. It features copper windings, an electrostatic shield, and a 150°C rise rating. Voltage regulation is supported by taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN, with a robust frame design (frame 923).
Yes. The unit is designed specifically for 380 V primary and 380Y/220 V secondary configurations, operates at 60 Hz, and supports three-phase distribution. Its K-Factor nonlinear ventilated design and copper windings enhance reliability under load, while tap settings help accommodate voltage variations typical in such systems.
The transformer is UL Listed, indicating adherence to recognized safety standards. Maintenance considerations focus on standard electrical upkeep, checking tap changers for smooth operation, and ensuring shielding remains intact. The unit’s rugged build — copper windings, electrostatic shield, and WS37 weather protection — reduces corrosion risk and supports long service life in challenging environments.
The N38M37T22CU delivers reliability and reduced downtime through superior cooling (K-13 design) and robust protection features, lowering maintenance costs. The 225 kVA rating supports fewer transformers in a given footprint, while WS37 weather protection minimizes outdoor corrosion risk, contributing to lower lifecycle operating expenses and predictable energy performance.