Eaton N48M24T12EE Transformer - NEMA TP-1 Efficient
Part Number: N48M24T12EE
Quick Summary
Eaton N48M24T12EE transformer delivers efficient 480 V to 240 V delta power conversion for industrial facilities. Engineers often face integration constraints, uncertain tap settings, and compliance hurdles when upgrading existing switchgear. UL Listed and NEMA TP-1 compliant status support safe installation, while the NEMA TP-1 efficient designation helps minimize energy losses across operation. This three-phase, 112.5 kVA unit with a 150°C rise insulation enhances reliability in power management, while its aluminum windings and rugged frame reduce maintenance and lifecycle costs. In practice, the unit's +2.5% / -2.5% taps enable precise voltage regulation in variable-load environments, supporting consistent equipment performance. Its 112.5 kVA rating suits distribution feeders, motor loads, and panel upgrades across manufacturing, data centers, and facilities projects. Adopting this transformer streamlines procurement with Eaton's warranty and support ecosystem, while engineered durability protects uptime in harsh environments.
Product Information
Extended Description
N48M24T12EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 240 delta, 150°C rise w/ 200°C insulation systeam, 112.5 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M24T12EE
UPC
786680087448
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
931 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
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
240 delta
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 - N48M24T12EE
Feature: Three-phase 112.5 kVA rating with 480 V primary and 240 V delta secondary at 60 Hz. Business Impact: Enables scalable, reliable power distribution for motor loads and control circuits with predictable voltage relationships. Application: Suitable for MCCs, switchgear upgrades, and substations where consistent delta output improves equipment performance. Feature: K-Factor nonlinear ventilated design (KT-13) with 150 °C rise and 200 °C insulation system. Business Impact: Improves tolerance to harmonic currents from nonlinear loads, reducing alignment derating and maintenance needs. Application: Ideal for facilities with variable-speed drives and mixed-load environments seeking robust thermal performance. Feature: Tap changer with 2 taps at +2.5% and 4 taps at -2.5%. Business Impact: Provides precise voltage regulation to combat long feeders and voltage drop, lowering surge risk and extending component life. Application: Ideal in sites with fluctuating line voltage or multi-panel distribution. Feature: Aluminum coil, frame 916A, and Weathershield WS19. Business Impact: Delivers durable, corrosion-resistant construction with lighter weight than copper equivalents, easing installation and service access. Application: Outdoor and harsh industrial environments where reliability and ease of maintenance matter. Feature: Compliance and certifications—NEMA TP-1 compliant, UL Listed, and NEMA TP-1 efficient. Business Impact: Simplifies procurement, regulatory compliance, and energy reporting while ensuring performance benchmarks. Application: OEMs and integrators aligning with corporate sustainability and safety standards.
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FAQs
Plan for a three-phase footprint with weight and space requirements: 931 lb weight, 23.42 in depth, 28.22 in width, and 48.56 in height. Mounting should account for access to taps (+2.5% and -2.5%), the WS19 weather shield, and clearance for cooling. Verify UL Listed and NEMA TP-1 compliance in the final installation to ensure startup readiness and regulatory alignment.
The K-Factor nonlinear ventilated design is engineered to tolerate harmonics common with nonlinear loads, reducing thermal stress and improving reliability. With a 150 °C rise rating and 200 °C insulation system, the transformer maintains performance even under peak harmonic conditions, supporting stable voltage delivery to sensitive equipment in drives, pumps, and automation panels.
Yes. This unit delivers 112.5 kVA with a 480 V primary and 240 V delta secondary, three-phase, at 60 Hz, making it well-suited for MCCs and substations. The aluminum windings, robust frame, and protective features (WS19) support reliable motor starting, feeder protection, and compact, centralized distribution in industrial facilities.
The N48M24T12EE is UL Listed and NEMA TP-1 compliant, with a NEMA TP-1 efficient designation. These certifications help meet electrical safety standards, energy-efficiency targets, and procurement specifications for industrial projects, OEMs, and contractor installations without additional vendor qualification.
Maintenance benefits arise from durable aluminum windings, corrosion-resistant WS19 shielding, and a sturdy 916A frame that reduces service frequency. The 112.5 kVA rating aligns with common plant feeders, delivering predictable energy losses and downtime reductions. UL/NEMA certifications simplify compliance, while the warranty and Eaton support network contribute to total cost of ownership savings.