Eaton N38M37T49CU K-Factor Nonlinear Transformer - UL Listed
Part Number: N38M37T49CU
Quick Summary
Introducing the Eaton N38M37T49CU — a K-Factor nonlinear ventilated transformer for demanding three‑phase power distribution. Engineers confront voltage sags, overheating, and space constraints when upgrading large facilities. UL Listed certification ensures safety compliance; in some markets CE or IP ratings may apply. This model delivers 150 kVA with copper windings and a shielded design, supporting reliable, scalable power for industrial installations. It addresses downtime, safety, and regulatory considerations while enabling efficient power management across manufacturing lines and data centers.
Product Information
Extended Description
N38M37T49CU Eaton: K-Factor Non Linear Transformer, Ventilated, K-13, Three-phase, PV: 380V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 380Y/220V, 150°C, 150 kVA, Cu windings, Elec. Shield, Frame: 917, uses WS34
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N38M37T49CU
UPC
786680060762
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1617 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
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Primary voltage
380 V
Secondary Voltage
380Y/220 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N38M37T49CU
Feature → The K-Factor nonlinear design combines a ventilated core with copper windings for enhanced harmonic control and cooling efficiency under heavy non-linear loads. Impact → This reduces temperature rise, extends transformer life, and lowers maintenance frequency, which translates to higher uptime and lower total cost of ownership. Application → Ideal for industrial facilities with non-linear power profiles, including factory floors, conveyor networks, and motor drives, where consistent performance is critical.Feature → On-board taps provide voltage regulation with 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN. Impact → Enables precise voltage tuning on-site without external equipment, improving voltage stability and protecting sensitive equipment. Application → Beneficial in long feeder runs, variable-load environments, and facilities with fluctuating input voltages such as metal fabrication or chemical processing.Feature → Copper windings and electrostatic shield enhance efficiency and electrical safety. Impact → Improves overall energy transfer, reduces stray capacitance concerns, and supports safer commissioning and operation. Application → Well suited for high-current applications in process plants, steel mills, and heavy manufacturing where reliability matters.Feature → Weathershield WS34 and ventilated design enable robust performance in harsh environments. Impact → Provides outdoor or semi-exposed installation compatibility, longer mean time between maintenance, and better heat dissipation. Application → Useful for outdoor substations, manufacturing yards, and facilities in challenging climates.Feature → 150 kVA three‑phase rating with 380 V primary and 380Y/220 V secondary, at 60 Hz, with a 150 °C rise. Impact → Supports high-power transfer with controlled temperature and reliable voltage conversion. Application → Fits large-scale industrial power distribution needs, including equipment clusters and critical process lines.Feature → Frame 917 integration, copper windings, electrostatic shield, WS34, and compliance features through UL Listed certification. Impact → Simplifies installation, improves heat management, and ensures regulatory alignment for safe operation. Application → Aligns with OEM standards and retrofit projects across manufacturing, packaging, and automation facilities.
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FAQs
The N38M37T49CU is a three-phase transformer engineered for straightforward integration with standard low-voltage distribution panels. It accepts a 380 V primary and provides a 380Y/220 V secondary, with taps at +2.5% FCAN and -2.5% FCBN to adjust output voltages on-site. Compatibility with common enclosure footprints and bolted-frame mounting simplifies retrofits and new installations alike, while the copper windings and shield minimize leakage and noise during commissioning.
The K-Factor nonlinear design targets harmonic-rich environments by shaping magnetizing current and reducing voltage distortion under non-linear loads. This improves efficiency, lowers core losses, and minimizes overheating during high crest factor events. For facilities with drives, welders, or non-linear power suppliers, the transformer maintains stable voltage and supports longer equipment life with more predictable performance.
Yes. The N38M37T49CU delivers 150 kVA in a robust three-phase package with precise voltage regulation via on-board taps, making it suitable for both data centers and heavy manufacturing facilities. Its copper windings and electrostatic shield reduce electromagnetic interference, while WS34 weather shielding supports durable outdoor or semi-outdoor deployments often found in industrial campuses.
The unit carries UL Listed certification, confirming adherence to safety standards for electrical equipment. Compliance simplifies regulatory approvals and on-site inspections. Depending on regional requirements, additional markings such as CE or IP ratings may be pursued by the installer or project team for site-specific compliance, but UL Listed remains the baseline for safety and reliability.
Eaton provides a warranty policy of one year from installation or eighteen months from shipment, whichever occurs first, minimizing initial risk and supporting long-term budgeting. Regular cooling checks, tapping verification during commissioning, and routine insulation and connection inspections are recommended. The transformer's durability, reduced downtime, and improved energy regulation contribute to a favorable ROI for continuous production environments.