Eaton N48M34T75 Transformer - Electrostatically Shielded
Part Number: N48M34T75
Quick Summary
The Eaton N48M34T75 transformer is a nonlinear ventilated three-phase power solution for distribution. Operators struggle with voltage swings and EMI in automation panels, driving trips and maintenance costs. Typical targets include CE, IP ratings and SIL; consult the Eaton datasheet for current compliance. With aluminum windings, a 75 kVA rating and WS19 compatible housing, it supports scalable, reliable automation panel installations. This solution integrates seamlessly with standard 480 V mains and 400Y/231 V secondary loads, enabling simpler panel design and faster commissioning. Additionally, its nonlinear K-Factor approach helps manage harmonic currents, reducing overheating risk in drives and controls. Operators benefit from lower spare parts, predictable maintenance windows and improved uptime across critical manufacturing processes.
Product Information
Extended Description
N48M34T75 Eaton: Eaton Nonlinear ventilated transformer KT-13 Three-phase 480 DELTA 2 at +2.5% FCAN 4 at -2.5% FCBN 400Y/231V 150°C 75 kVA Aluminum windings 916A 283B WS19 Electrostatically shielded 60 Hz
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M34T75
UPC
786680111778
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
0.001 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.
Certifications
Contact Manufacturer
Coil material
Aluminum
Wiring connection
283B
Type
Nonlinear ventilated transformer
Design
KT-13
Frame
916A
Tap size
2 at +2.5% FCAN 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
400Y/231 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M34T75
Feature: K-Factor nonlinear ventilated design improves harmonic mitigation and reduces thermal stress. Business Impact: lowers cooling loads, extends transformer life, and reduces maintenance cycles. Application: drives, PLC panels, and mixed-load cabinets in high-harmonic environments. Feature: 75 kVA three-phase rating with 480 V primary and 400Y/231 V secondary. Business Impact: enables efficient step-down for motors and controls, simplifying panel design and wiring harnesses. Application: industrial automation skids and distribution blocks. Feature: Aluminum windings with electrostatic shielding. Business Impact: lighter weight, lower material cost and EMI suppression for sensitive equipment. Application: clean signal integrity in control rooms and outdoor installations. Feature: Tap size of 2 at +2.5% FCAN and 4 at -2.5% FCBN. Business Impact: precise voltage regulation under load shifts, reducing voltage excursions. Application: critical load panels and variable speed drives. Feature: WS19 weather shield compatibility and robust frame design (916A). Business Impact: outdoor-ready installation with improved environmental tolerance, reducing enclosure costs. Application: outdoor substations and exposed equipment bays. Feature: General specs including 60 Hz operation and 75 kVA rating. Business Impact: predictable performance in standard industrial power systems with compatibility to Eaton catalogs. Application: new builds and retrofit projects seeking a proven power distribution solution.
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FAQs
Begin with verifying 480 V three-phase supply and 400Y/231 V secondary requirements. Plan for three-phase connections using the 283B wiring and aluminum windings. Mount the unit on a suitable frame (916A) and consider the WS19 weather shield for outdoor or harsh environments. Ensure proper clearance for ventilation and perform a precise tap setting adjustment of +2.5% and -2.5% as needed to maintain target secondary voltage under load variations.
The transformer is a 75 kVA, three-phase unit with a 480 V primary and a 400Y/231 V secondary. It operates at 60 Hz and features an aluminum coil design with electrostatic shielding. It supports a temperature rise of 150 C and includes a K-Factor nonlinear design to mitigate harmonic currents. Tap changes are available at 2 with +2.5% FCAN and 4 with -2.5% FCBN for voltage regulation.
Yes, the N48M34T75 supports outdoor or harsh environments when paired with the WS19 weather shield. The frame 916A and aluminum windings further enhance durability, while the electrostatic shielding helps maintain EMI performance. For outdoor use, ensure enclosure rating compatibility and follow Eaton installation guidelines to maximize protection against dust, moisture, and temperature swings.
The product adheres to Eaton's policy described as 25-000. The warranty provides one year from date of installation or eighteen months from date of shipment, whichever occurs first. For ongoing support, refer to Eaton’s commercial terms, field service availability and access to datasheets such as the N48M34T75 specification sheet for updated guidance and replacement parts.
The transformer offers improved voltage stability and harmonic mitigation through its K-Factor nonlinear design, which reduces drive trips and EMI-related faults. Its 75 kVA capacity supports scalable panels, while the aluminum windings lower weight and material costs. With taps for voltage adjustment and WS19 weather shield compatibility, it enables faster commissioning, lower maintenance, and greater uptime in industrial automation environments.