Eaton N38M28T45 K-13 Ventilated Transformer - UL Listed
Part Number: N38M28T45
Quick Summary
Eaton N38M28T45 K-13 ventilated transformer is designed for three-phase power distribution in industrial facilities. Engineers often struggle with thermal hotspots, tap adjustments, and wiring complexity when expanding panels or upgrading drives. UL Listed certification supports safety and reliability, while a 150°C rise rating and aluminum windings enhance insulation performance and longevity. Designed for automation environments, this unit supports 380 V primary and 208Y/120 V secondary configurations, enabling consistent control voltages in demanding production lines. In practical terms, it helps ensure safer, compliant power delivery with predictable performance for factory floor applications and system upgrades.
Product Information
Extended Description
N38M28T45 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 380V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 45 kVA, Al windings , Elec. Shield, Frame: 914D
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N38M28T45
UPC
786680060793
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 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
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
914D
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
380 V
Secondary Voltage
208Y/120 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 - N38M28T45
Ventilated K-13 design improves thermal management, reducing hotspot risk and enabling higher loading margins; the business impact is greater continuous kVA utilization and reduced derating in hot environments, ideal for dollies of automation lines and heavy machinery. Tap settings provide two at +2.5% FCAN and four at -2.5% FCBN, enabling voltage tuning to maintain stable 208Y/120 V secondary outputs; this reduces voltage-related equipment stress and downtime in control cabinets and panel upgrades. Aluminum windings lower weight and material costs while improving handling during installation and servicing; the result is faster deployments and lower lifecycle costs in distributed energy systems and factory automation racks. An electrostatic shield minimizes EMI and insulation stress, boosting reliability and extending life in environments with proximity to motors and drives. Frame 914D and WS39 weather shield deliver rugged mounting and protection for outdoor or space-constrained installations, supporting compliant operation in harsh conditions. All of these features align with UL-listed safety requirements and 60 Hz operation, delivering consistent performance in industrial power distribution equipment installations and automation infrastructure upgrades.
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FAQs
Install with ample clearance for cooling, ensure proper ventilation around the ventilated core, and mount on a level surface able to bear the 914D frame. Use the WS39 weather shield when deploying outdoors or in harsh environments, and verify voltage taps are set for the site voltage to maintain stable secondary outputs.
Yes. The transformer is specified for a 380 V primary and a 208Y/120 V secondary in three-phase configurations, operating at 60 Hz. Ensure your switchgear and distribution panels are sized for 45 kVA and that the control circuitry tolerates the secondary voltage with appropriate protective devices.
The N38M28T45 is UL Listed, supporting recognized electrical safety standards. It features aluminum windings, an electrostatic shield for EMI control, and a 150°C rise insulation rating. The combination improves reliability and safety in industrial installations and helps meet regulatory requirements for power distribution equipment.
The K-13 ventilated design delivers superior thermal management, enabling higher loading margins without derating. This supports steady voltages for automation drives and control cabinets, reducing the risk of thermal faults. Tap adjustability allows on-site voltage optimization, while the rugged frame and weather shield expand the range of acceptable installation environments in modern production lines.
Maintenance is typically minimal beyond periodic inspection of connections and venting clearance. The 45 kVA rating and robust construction reduce downtime and warranty claims, delivering lower lifecycle costs. Aluminum windings, UL Listing, and protective shielding contribute to longer service life, enhanced reliability, and predictable performance in high-demand manufacturing environments.