Eaton X48M47T49EETHR Dry Type Transformer - UL Listed
Part Number: X48M47T49EETHR
Quick Summary
Eaton Harmonic mitigating transformer delivers clean, balanced 480V three-phase power for critical electrical loads. For engineers wrestling with harmonic distortion and voltage fluctuations, this unit helps maintain equipment protection and uptime. UL Listed, NEMA TP-1 Compliant, and NEMA TP-1 efficient, it also leverages electrostatic shielding and WS34 weather protection for reliable operation in challenging environments. By enabling precise voltage regulation with +2.5% / -2.5% taps and a rugged 150 kVA footprint, this transformer fits well with 480 V distribution needs while supporting energy efficiency and long-term cost savings.
Product Information
Extended Description
X48M47T49EETHR Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 150 kVA, EE, TH, R
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M47T49EETHR
UPC
786680076442
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1361 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
Coil material
Aluminum
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Wiring connection
203X
Frequency rating
60 Hz
Phase
Three-phase
Phase shift
-30 °
Primary voltage
480 V
Secondary Voltage
480 Y/277 V
Temperature rise
150 °C rise
Volt ampere rating
150 kVA
Special features
Electrostatically shielded
Weathershield
WS34
Feature: Harmonic mitigating design reduces distortion in 480 V three-phase circuits. Business Impact: Enhances power quality, lowers thermal stress on motors and drives, and extends equipment life. Application: Suitable for manufacturing floors, service centers, and facilities with mixed loads where harmonics threaten performance. Feature: Precise taps with 2 at +2.5% and 4 at -2.5% for voltage regulation under load. Business Impact: Improves voltage stability, reduces sags, and supports consistent performance of sensitive equipment. Application: PV integrations and critical process equipment that demand tight voltage control. Feature: Aluminum coil, 918A frame, and 203X wiring connection. Business Impact: Durable, lighter-wight windings with robust mechanical support simplify installation and reduce mounting stress. Application: Indoor or outdoor installations where reliability and ease of wiring are priorities. Feature: Electrostatic shielding and WS34 Weathershield. Business Impact: Strong EMI/RFI suppression and outdoor resilience, minimizing interference with control systems and sensors. Application: Outdoor substations and exposed plant areas with harsh environments. Feature: Compliance and efficiency features—UL Listed, NEMA TP-1 compliant and NEMA TP-1 efficient. Business Impact: Streamlines regulatory approvals, lowers operating costs through efficiency, and supports long-term maintenance predictability. Application: Industrial facilities requiring documented certifications and energy-conscious operation.
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FAQs
Begin with proper mounting clearance and ventilation, ensuring the unit fits within the 30.68 in depth, 62.18 in height, and 31.44 in width. Connect the primary to a 480 V three-phase supply using the 203X wiring connection, then select taps for voltage regulation: two taps at +2.5% and four taps at -2.5% to match operating voltage under load. Finally, verify insulation and perform standard commissioning checks to ensure UL Listed compliance and proper protection against harmonics.
The X48M47T49EETHR is designed to reduce harmonic distortion in three-phase systems with mixed loads, improving power quality and reducing thermal stress on motors and drives. Use it in facilities with significant nonlinear loads, such as drives, inverters, and power supplies, where improved voltage stability and equipment longevity are essential and energy efficiency is a priority.
Yes. The transformer’s secondary is rated 480Y/277 V, suitable for lighting and control circuits alongside 480 V distributions. It provides taps: 2 at +2.5% and 4 at -2.5%, enabling fine voltage regulation to maintain stable voltages for critical loads under varying demand and supply conditions.
This unit is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency notes. These certifications validate safety, reliability, and efficiency for industrial installations and ensure alignment with regulatory and electrical codes. For outdoor or harsh environments, WS34 weather protection and electrostatic shielding further support compliance with EMI/RFI requirements.
Maintenance is typically routine—monitor insulation integrity, check connections, and inspect seals—while the ultralow-harmonic performance reduces wear on connected devices. With a 150 kVA rating and UL/NEMA certifications, the unit offers predictable lifecycle costs and potential ROI through improved uptime, reduced energy waste, and lower maintenance across critical loads.