Eaton N48M28F7521CULS48 Transformer - UL Listed
Part Number: N48M28F7521CULS48
Quick Summary
The Eaton N48M28F7521CULS48 transformer powers three-phase distribution with K-Factor nonlinear performance in data centers and industrial facilities. Engineers often confront harmonic heating, cooling penalties, and tight space when upgrading medium-voltage gear, making an efficient, well-vented solution essential. UL Listed safety certification; K13 K-Factor rating; and three-phase operation help ensure reliability, regulatory compliance, and predictable maintenance. For engineers evaluating ROI, the combination of high efficiency and reduced cooling demand translates to lower total cost of ownership over the equipment lifecycle. This design supports seamless integration with Eaton's power management ecosystem and broader automation architectures.
Product Information
Extended Description
N48M28F7521CULS48 Eaton: Eaton K-Factor nonlinear ventilated transformer, Vented XFM, R75 kVA, K13, 3-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7521CULS48
UPC
786689665241
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Phase
Three-phase
Feature: K-Factor nonlinear vented transformer with XFM cooling tailored for harmonic mitigation. Business Impact: Reduces harmonic heating and cooling load, delivering higher operating efficiency and longer equipment life. Application: Ideal for data centers, automated production lines, and distribution panels where harmonic-rich loads are present. Feature: 75 kVA rating in a compact, three-phase package. Business Impact: Supports robust mid-size loads without oversized cooling requirements, lowering space and energy costs. Application: Factory floor power rails and control rooms needing reliable, scalable power. Feature: Compact footprint with documented dimensions (21.13 in L, 36.88 in H, 24.88 in W) and UL Listed safety. Business Impact: Simplifies installation, reduces mounting footprint, and accelerates compliance checks. Application: OEM panels and retrofit projects where space is at a premium. Feature: Primary/secondary voltage 480-208Y/120V and K-Factor K13. Business Impact: Ensures compatibility with common industrial power networks and harmonic control standards. Application: Integrations in automation systems and building services. Feature: Ventilated XFM design and three-phase operation support reliability and heat management. Business Impact: Improves uptime in critical facilities while lowering total cost of ownership. Application: Data centers, processing plants, and mission-critical automation environments. Industry context: Eaton’s Transformer Flex Center compatibility enables streamlined service and future upgrades, reflecting real-world maintenance workflows and long-term value.
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FAQs
Yes. The N48M28F7521CULS48 is a three-phase transformer rated for 480-208Y/120V service. Its compact footprint (21.13 in L x 24.88 in W x 36.88 in H) simplifies mounting in control rooms and equipment racks. Ensure proper clearance for ventilation, confirm UL Listed installation guidelines, and align with Eaton’s recommended wiring practices for a reliable, code-compliant installation.
Key specs include a 75 kVA rating (R75 kVA class), K13 K-Factor for harmonic mitigation, vented XFM cooling, and three-phase operation. The unit supports 480-208Y/120V primary/secondary and UL Listed safety. These factors collectively influence efficiency, cooling requirements, and compatibility with balanced automation loads in industrial environments.
Yes. The K-Factor nonlinear design minimizes harmonic heating, which is common in data centers and automated production lines with variable-speed drives. The UL Listed safety certification, three-phase configuration, and compatible voltage rating further support reliable operation in critical facilities, while the compact footprint aids retrofit projects and space-constrained installations.
The product is UL Listed, providing a recognized safety certification for electrical equipment. To ensure regulatory compliance, install according to UL safety guidelines, follow NEC requirements for three-phase transformers, and coordinate with electrical design standards used in your facility. This transformer is designed to meet industry safety expectations while delivering harmonic mitigation benefits.
The N48M28F7521CULS48 offers improved efficiency and reduced cooling load due to K-Factor nonlinear performance, translating to lower energy and HVAC costs over the lifecycle. Its compact footprint simplifies installation and service access, potentially reducing labor costs. The UL Listed certification supports predictable maintenance and safer operation in automated environments, contributing to higher uptime and overall ROI.