Eaton N48M28F7521HDI4 Transformer - UL Listed
Part Number: N48M28F7521HDI4
Quick Summary
The Eaton N48M28F7521HDI4 transformer delivers reliable three-phase power conversion for industrial facilities. When space, cooling, or safety concerns threaten uptime, this vented K-Factor design helps maintain temperature, reduce heat load, and improve service life. UL Listed certification supports safety and regulatory compliance in tough industrial environments, while the 75 kVA rating fits mid-size power distribution needs. With 480 V primary and 208Y/120 V secondary, plus a rugged enclosure, installation is straightforward and scalable for future loads. This combination supports facility uptime, reduces energy waste, and aligns with procurement goals for reliability and long-term cost of ownership. Engineers will appreciate the documented specifications and available resources for quick integration.
Product Information
Extended Description
N48M28F7521HDI4 Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, K13 Vented XFMR, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7521HDI4
UPC
786689665357
Product Length/Depth
35.57 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1093 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
75 kVA
Phase
Three-phase
Feature: K-Factor nonlinear vented transformer design. Business Impact: Enhanced thermal management and fault handling reduce heat-related faults and extend life in demanding loads. Application: Manufacturing lines and heavy machinery installations where continuous operation is critical and heat buildup is a concern. Keyword integration: K-Factor transformer, vented transformer, nonlinear cooling, industrial power reliability. Paragraph 2: Feature: 75 kVA three-phase rating with 480-208Y/120 output. Business Impact: Scales power distribution to support multiple loads while maintaining voltage integrity and protection. Application: Mid-size plant sections or industrial automation clusters needing dependable voltage conversion. Keywords: 75 kVA transformer, three-phase transformer, 480 V to 208Y/120 V. Paragraph 3: Feature: UL Listed certification. Business Impact: Simplifies safety compliance and reduces installation risk in regulated facilities. Application: Any industrial site requiring recognized safety standards for electrical equipment. Keywords: UL Listed transformer, safety compliance, electrical certification. Paragraph 4: Feature: Compact footprint and rugged package (35.57 in L, 34.5 in W, 51 in H; 1093 lb). Business Impact: Easier integration into crowded plant floors and smoother logistics with standard shipping weights. Application: Retrofit projects and new builds with space constraints. Keywords: footprint, installation compatibility, industrial enclosure. Paragraph 5: Feature: Ventilated XFMR cooling and K13 design. Business Impact: Improved cooling efficiency reduces thermal aging and supports peak loading without oversizing. Application: High-demand production lines and continuous-duty environments. Keywords: vented XFMR, cooling efficiency, K13 design. Paragraph 6: Feature: Clear voltage compatibility (480 V primary, 208Y/120 V secondary). Business Impact: Facilitates straightforward wiring, protection coordination, and compatibility with common panel schedules. Application: Data centers, automation panels, and manufacturing control rooms. Keywords: 480 V input, 208Y/120 V output, compatible power distribution.
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FAQs
For installation, mount the vented XFMR in a compliant enclosure with adequate clearance for cooling and access. Connect the 480 V primary to the main distribution feeders and land the 208Y/120 V secondary to the controlled loads. Ensure proper protective devices, phase balance, and field wiring is in accordance with the UL Listed guidance and local codes. The unit’s weight and dimensions should be accounted for during site planning and rigging.
Key specs include a 75 kVA rating, three-phase configuration, primary voltage of 480 V, and secondary 208Y/120 V. The transformer is a K-Factor nonlinear ventilated type with UL Listed certification. Dimensions are approximately 35.57 in L × 34.5 in W × 51 in H, and weight around 1093 lb, making it suitable for mid-size power distribution needs.
Yes. The three-phase 75 kVA K-Factor nonlinear ventilated design supports reliable load distribution and effective heat management in data centers and manufacturing floors. UL Listed certification provides safety assurance, while the vented cooling helps manage peak loads without oversized equipment, contributing to better space utilization and ongoing reliability in critical environments.
The primary certification noted is UL Listed, which demonstrates compliance with recognized safety standards for electrical equipment. This certification matters for installation approvals, insurance, and facility safety programs, ensuring that the transformer design and construction meet established harmonized safety expectations in industrial environments.
Expect lower maintenance risk due to robust vented cooling and a proven UL Listed design, which supports long-term reliability. The 75 kVA rating and compact footprint help optimize energy distribution and space, potentially reducing total cost of ownership by limiting heat-related losses and minimizing downtime for mid-size facilities.