Eaton V48M22T75CUEEZZ Open Core Transformer - NEMA TP-1
Part Number: V48M22T75CUEEZZ
Quick Summary
Eaton open core-coil ventilated transformer provides efficient power distribution for industrial facilities. Facilities often struggle with heat buildup, voltage drift, and mismatched taps when upgrading legacy equipment. UL Recognized and NEMA TP-1 compliant construction, along with a NEMA TP-1 efficient profile, support safety, reliability, and predictable maintenance costs. Designed for 60 Hz three-phase systems, this unit delivers 75 kVA with a 480 V primary and 240 delta/120 midtap secondary, enabling straightforward system integration across manufacturing floors and service bays. The open-core coil design also simplifies service and routine hot-swap tasks, reducing downtime during inspection windows. In practice, users benefit from improved cooling, lower copper losses, and a compact footprint that aligns with standard EE frame mounting and factory assembly practices.
Product Information
Extended Description
V48M22T75CUEEZZ Eaton: Eaton Open core-coil ventilated transformer, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 240 delta/120 midtap, 150°C rise w/ 200°C insulation systeam, 75 kVA, Copper windings, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M22T75CUEEZZ
UPC
786680089657
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
620 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 Recognized
Catalog Notes
NEMA TP-1 efficient, Open type core and coil assembly
Coil material
Copper
Frame
CT75E103
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
240 delta/120 midtap
Temperature rise
150 °C rise
Volt ampere rating
75 kVA
Open core-coil ventilated design optimizes cooling, reducing thermal stress and extending transformer life, which translates to lower maintenance frequency and reduced downtime in rugged industrial environments. Business impact: longer equipment life and lower total cost of ownership; application: production lines, warehouses, and facilities with demanding duty cycles. The unit uses copper windings in an EE frame (CT75E103) to minimize impedance and copper losses, delivering tighter voltage regulation and improved efficiency under load. This supports energy savings and more stable power to sensitive loads such as motors and controllers in process automation. With 2 taps at +2.5% and 4 taps at -2.5%, voltage can be tuned to maintain end-use voltages within tolerance, reducing equipment wear and preventing nuisance trips. Application note: installation near service entrances or electrical rooms benefits from easier wire routing and service accessibility. The 75 kVA rating and 480 V primary with 240 delta/120 midtap secondary enable straightforward integration into existing three-phase distributions. The dry-type, open-core design simplifies maintenance and replacement, while UL Recognized and NEMA TP-1 compliance streamline procurement and safety verification. The transformer weighs approximately 620 lb, facilitating transport and on-site placement when paired with rugged mounting frames. Overall, the design supports compliant, reliable power distribution with predictable performance for industrial automation and commercial facilities.
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FAQs
Consider weight and mounting: the unit weighs about 620 lb and uses the CT75E103 frame, so ensure a sturdy, level base and appropriate lifting equipment. Plan for open-core ventilation access for maintenance and verify 480 V input compatibility with your switchgear and protective devices. Allow space for service clearances and downstream wiring to optimize cooling and minimize heat buildup.
Key specs include 75 kVA rating, 480 V primary, 240 delta/120 midtap secondary, 60 Hz operation, three-phase configuration, copper windings, 150 °C rise insulation, and taps at +2.5% and -2.5%. This combination supports robust voltage regulation and reliable delivery to motors and control panels in varied load conditions.
Yes. The transformer is UL Recognized and NEMA TP-1 compliant, with catalog notes highlighting NEMA TP-1 efficiency. These certifications support safety, reliability, and ease of procurement within regulated electrical environments.
Benefits come from improved cooling due to open-core ventilation, reduced copper losses from copper windings, and voltage stability with selectable taps. Combined with UL/NEMA TP-1 compliance, this reduces downtime, lowers maintenance costs, and shortens procurement cycles for industrial facilities with regular power-distribution needs.
Specification sheets and catalog references include the Eaton transformer datasheet for V48M22T75CUEEZZ and the Commercial Distribution catalog. Access the Eaton PDF datasheet and the transformer catalog for detailed wiring diagrams, warranty terms, and mounting instructions to ensure compliant installation.