Eaton T20P11S25N12 Ventilated Transformer - UL Listed
Part Number: T20P11S25N12
Quick Summary
The Eaton T20P11S25N12 ventilated transformer delivers general purpose distribution for 480 V systems. Facility and panel engineers often wrestle with heat, space, and compliance when expanding power distribution. Key certifications include UL Listed, NEMA 12 enclosure protection, and a 150 °C rise rating for tougher applications. Its aluminum windings and compact footprint support lighter installation, easier handling, and longer service life. This transformer is well suited for control panels, machine feeders, and distributed power in manufacturing environments, helping reduce downtime and maintenance costs while improving reliability. For projects needing predictable performance and straightforward sourcing, this unit aligns with standard Eaton quality and industry expectations.
Product Information
Extended Description
T20P11S25N12 Eaton: Eaton NEMA 12 General Purpose Distribution Transformer 25 kVA TENV NEMA 12 XFMR 1PH 240X480-120/240, 150C rise, Aluminum Windings
Product Name
Eaton General purpose ventilated transformer
Catalog Number
T20P11S25N12
UPC
786680226793
Product Length/Depth
1.1 in
Product Height
1.1 in
Product Width
1.1 in
Product Weight
1.1 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
Not Applicable
Certifications
UL Listed
Coil material
Aluminum
Type
Ventilated transformer
Primary voltage
480 V
Temperature rise
150 °C rise
25 kVA rating with a 480 V primary and 120/240 V secondary enables a single, compact solution for typical panel loads in machine centers and distribution cabinets. By consolidating power conversion, it reduces the number of components in a panel and streamlines procurement and spare parts management. Ventilated construction delivers superior cooling under heavy loads, which translates into higher reliability and lower thermal stress on insulation. The 150 °C rise rating provides a clear operating margin for continuous operation in demanding environments. Aluminum windings reduce weight and thermal mass compared with copper-only designs, improving installation ease and reducing support requirements. The unit is a single-phase transformer, simplifying wiring and guarding against misconfiguration in control panels. NEMA 12 enclosure offers protection against dust and light moisture, making it suitable for workshop floors and automation rooms with moderate environmental exposure. UL Listed certification supports compliance with safety standards and faster approval by regulators and customers. Compact footprint and straightforward installation help installers meet tight project timelines. With Eaton’s warranty policy and service network, customers gain confidence in uptime, predictable maintenance cycles, and a favorable total cost of ownership.
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FAQs
The unit is a single-phase transformer with a 480 V primary and 120/240 V secondary, designed for general purpose distribution in 480 V systems. This configuration supports standard control panels and machine feeders, simplifying wiring and coordination with downstream equipment.
Yes, the T20P11S25N12 is UL Listed and comes in a NEMA 12 enclosure. This combination provides electrical safety certification for industry standards and environmental protection against dust and light moisture in typical industrial settings.
With a compact footprint and single-phase 480 V input, the transformer simplifies panel integration and reduces space needs. Aluminum windings reduce weight for easier handling, and the NEMA 12 enclosure adds rugged reliability in challenging environments, speeding up installation and reducing mounting complexity.
This 25 kVA ventilated transformer is well suited for control panels, machine feeders, and distributed power within manufacturing lines. It provides efficient voltage conversion from 480 V to 120/240 V for auxiliary equipment while maintaining safety, reliability, and ease of sourcing in regulated facilities.
Eaton backs this unit with a standard warranty policy of one year from date of installation or eighteen months from shipment, whichever occurs first. Access to Eaton’s service network helps ensure uptime, proactive maintenance, and rapid support if issues arise.