Eaton N43M28B12XCSCU K-Factor nonlinear transformer - UL
Part Number: N43M28B30XCSCU
Quick Summary
The K-Factor nonlinear transformer from Eaton provides reliable voltage conditioning for industrial power distribution in manufacturing facilities. Engineers often battle harmonic distortion, heat buildup, and mismatched secondary voltages that stall critical automation lines. UL Listed certification supports regulatory safety compliance, while the K-Factor design aligns with modern power quality standards. For contractors and OEMs, this unit is well suited for 416 V to 208Y/120 V applications, delivering predictable performance under non-linear loads and helping reduce energy waste, improve uptime, and extend equipment life across the plant.
Product Information
Extended Description
N43M28B30XCSCU Eaton: Eaton K-Factor nonlinear ventilated transformer, 30kVA, Non-Linear K-13 Vent XFMR 3PH 416 Delta-208Y/120, 50/60Hz, 2 at+2.5%, 4 at-2.5%, 80C Rise, Cu shield, Cu
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N43M28B30XCSCU
UPC
786689413569
Product Length/Depth
20 in
Product Height
38.5 in
Product Width
28 in
Product Weight
430 lb
Certifications
UL Listed
Coil material
Copper
Design
K-13
Tap size
2 at+2.5%, 4 at-2.5%
Frequency rating
50-60 Hz
Kva Rating
30 kVA
Phase
Three-phase
Primary voltage
416 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
Feature: K-Factor nonlinear transformer design (K-13) optimizes performance under non-linear loading. Business impact: reduces heat and copper losses, boosting reliability and extending asset life in power-sensitive applications. Application: ideal for automation panels, drives, and mixed-harmonic equipment where voltage stability is critical. Feature: Ventilated construction with copper coil and shield enhances cooling and EMI suppression. Business impact: lower temperature rise and improved short-circuit resilience lead to longer service intervals and safer operation in compact enclosures. Application: dense switchgear clusters and confined service rooms in modern plants. Feature: Tap size options—2 at +2.5%, 4 at -2.5%—enable precise voltage matching. Business impact: minimizes voltage drift, reduces nuisance tripping, and eases field wiring adjustments. Application: control panels and power distribution centers serving loads with variable demand. Feature: 112.5 kVA three-phase rating with 416 V primary and 208Y/120 V secondary. Business impact: robust, scalable power for medium-sized automation loads, improving PLC, servo drive, and lighting reliability. Application: OEMs and integrators engineering modular power infrastructure for growing facilities. Feature: Copper shield and 80°C rise rating deliver improved protection and performance. Business impact: EMI suppression and predictable thermal behavior simplify compliance and maintenance planning. Application: industrial environments with EMI-sensitive equipment and high-duty cycles.
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FAQs
This unit is a heavy, floor-mounted, three-phase transformer designed for industrial enclosures or dedicated transformer rooms. Plan for a 1010 lb footprint, ventilation to support the 80 °C rise rating, and proper wiring clearances. Ensure enough space for the 40 in width and 51.5 in height, plus access for maintenance. Use copper conductors to match coil material and follow UL Listed installation practices.
The K-Factor nonlinear design (K-13) evaluates and accommodates non-linear current draw, reducing excessive heating and waveform distortion. This translates to lower transformer losses, steadier voltage, and improved reliability for motor drives and PLC-heavy panels. In practice, it helps maintain control accuracy and equipment life even under demanding harmonic conditions.
Yes. The transformer provides a 416 V primary with a 208Y/120 V secondary in a three-phase configuration, matching common facility power distribution schemes. The 50/60 Hz rating and 112.5 kVA capacity support automation equipment, lighting, and control gear, delivering stable voltage under varying load profiles typical of manufacturing environments.
UL Listed certification confirms adherence to recognized safety standards for electrical equipment, simplifying procurement and regulatory approvals. It demonstrates robust design and manufacturing quality, which helps in audits and safety reviews. While other regional certifications may be required, UL Listed status provides a strong baseline for global industrial applications.
Maintenance is typically limited to periodic thermal checks, insulation integrity, and connection inspection. With its copper windings, shielded construction, and an 80 °C rise rating, maintenance intervals can be extended in well-ventilated installations. ROI benefits arise from reduced downtime, improved power quality, and longer asset life in non-linear load environments, particularly where harmonics are prevalent.