Eaton N48M28T75EELS45 Transformer - NEMA TP-1 Efficient
Part Number: N48M28T75EELS45
Quick Summary
The Eaton N48M28T75EELS45 transformer delivers clean, reliable three-phase power for industrial controls and distribution panels. It addresses power quality challenges, harmonics, and noisy installations that can disrupt uptime and increase maintenance. UL Listed, NEMA TP-1 compliant, and electrostatically shielded, this unit also features a low 45 dB sound profile for sensitive environments. With taps for ±2.5% adjustments and a 480 V primary with 208Y/120 V secondary, it aligns with modern automation architectures while supporting scalable plant modernization. This combination reduces installation risk and helps streamline procurement, installation, and future expansion.
Product Information
Extended Description
N48M28T75EELS45 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE, LS, 45
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75EELS45
UPC
786680053481
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
966 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.
Compliances
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
Nema TP-1 efficient, Low sound equal to 45 dB
Coil material
Aluminum
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 45 dB
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75EELS45
Feature → K-Factor nonlinear ventilated design reduces harmonic distortion and improves voltage regulation, delivering measurable uptime gains and reduced equipment stress across automation cells. → Business Impact → Lower maintenance costs and extended component life in machine centers and control panels, enabling more predictable production schedules. Application → Automation applications in packaging, robotics, and processing lines benefit from cleaner power and improved device longevity. Feature → Taps: 2 at +2.5% and 4 at -2.5% provide flexible voltage matching for variable supply conditions, reducing strain on downstream equipment. → Business Impact → Enhanced site reliability and reduced risk of voltage-related faults during load swings. Application → Panel upgrades and retrofit projects in existing facilities with fluctuating power. Feature → 75 kVA three-phase rating with 480 V primary and 208Y/120 V secondary supports common industrial loads while maintaining compact footprint. → Business Impact → Efficient space utilization and simplified electrical distribution planning. Application → Distribution transformers in control rooms and shielding-critical installations. Feature → Electrostatic shielding and low sound (45 dB) design improve EMI protection and workplace comfort. → Business Impact → Compliance with EMI/EMC expectations and quieter environments for operator well-being. Application → Noise-sensitive industrial settings and cleanroom-adjacent applications. Feature → Weathershield WS19 and rugged aluminum coil construction support durable field installation and long service life. → Business Impact → Lower life-cycle cost and easier outdoor or semi-enclosed installation. Application → Plant floors, outdoor enclosures, and harsh environments where reliability is critical. Feature → NEMA TP-1 efficient and UL Listed certifications with a robust 150°C rise insulation system provide regulatory confidence and safety. → Business Impact → Faster procurement, reduced risk during audits, and smoother end-customer acceptance. Application → Compliance-driven projects in automotive, food & beverage, and process industries.
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FAQs
Yes. The transformer is rated for 480 V primary in three-phase systems and provides a 208Y/120 V secondary. It includes taps at +2.5% and -2.5% to accommodate voltage variations, simplifying alignment with existing bus configurations and minimizing voltage imbalance in automation circuits.
This unit is UL Listed and NEMA TP-1 compliant, with a 150°C rise insulation system and a low 45 dB sound specification. These certifications ensure safety, efficiency, and regulatory alignment for industrial environments, while the low sound profile supports quieter operation in shared or office-adjacent spaces.
The K-Factor nonlinear ventilated design addresses harmonic currents by improving impedance and filtering characteristics, which reduces voltage distortion and heat in critical loads. This translates to better equipment performance, reduced overheating risks, and enhanced reliability in automated production lines.
With Weathershield WS19 and aluminum coil construction, the transformer is suited for semi-external installations and challenging environments. The rugged frame and shielding provide EMI protection and longer service life, lowering maintenance needs in plant yards, loading docks, or exposed control rooms.
The unit’s 75 kVA rating, reliable UL/NEMA TP-1 compliance, and low-noise operation contribute to reduced fault rates and easier regulatory audits. Coupled with a standard warranty and robust build, users typically realize lower maintenance costs, fewer replacements, and a faster payback in automated facilities.