Eaton T20P11S15CUN4 Transformer - UL Listed
Part Number: T20P11S15CUN4
Quick Summary
Eaton transformer T20P11S15CUN4 provides reliable power isolation for control panels in industrial plants. Engineers often face space constraints, downtime costs, and complex wiring when upgrading legacy equipment. UL Listed and NEMA 4 enclosure ensure safety and protection in harsh environments, while 60 Hz operation and copper windings deliver dependable performance. Designed for industrial automation environments, this 15 kVA transformer converts 240/480 V mains to 120/240 V control circuits, with DOE 2016 exempt compliance, supporting efficient, compliant installations and long-term cost reduction.
Product Information
Extended Description
T20P11S15CUN4 Eaton: EATON TOTALLY ENCLOSED NON-VENTILATED TRANSFORMER, DOE 2016 EXCEMPT, COPPER, 60HZ, 15KVA, SINGLE PHASE, 240X480V, 120/240V, NEMA ST-20, 150°C RISE, NEMA 4, 843ANV, 220°C, 1@+5%, 2@-5% X 2@+2.5%, 4@-2.5%
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
T20P11S15CUN4
UPC
786680249402
Product Length/Depth
30.06 in
Product Height
49.63 in
Product Width
29.5 in
Product Weight
532 lb
Compliances
Not Applicable
Certifications
UL Listed
Coil material
Copper
Enclosure
NEMA 4
Frame
843ANV
Insulation
220°C
Mounting
Floor
Tap size
1@+5%, 2@-5% X 2@+2.5%, 4@-2.5%
Wiring connection
3XA
Efficiency
Exempt
Frequency rating
60 Hz
Kva Rating
15 kVA
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Special features
TOTALLY ENCLOSED NON-VENTED NEMA 4 ENCLOSURE
Weathershield
Not required
The Totally Enclosed Non-Ventilated design minimizes maintenance and protects internal components in dusty or wet areas, reducing downtime and service costs while providing reliable operation in rugged environments. This 15 kVA single-phase unit supports 240/480 V primary and 120/240 V secondary outputs, enabling straightforward panel design and compatibility with standard automation controllers, PLCs, and motor starters, improving installation speed and reducing wiring errors. With a NEMA 4 enclosure, it withstands weather and washdown conditions, offering durable performance in indoor and outdoor applications and lowering enclosure-related risk. Copper windings improve efficiency and thermal performance, delivering consistent voltage regulation at full load and reducing heat-induced losses in continuous-duty applications. DOE 2016 exempt status simplifies regulatory compliance, helping procurement teams meet energy standards without unnecessary documentation. Floor mounting and a robust 532 lb frame ensure stable, vibration-resistant operation in busy equipment rooms.
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FAQs
Plan for floor mounting in a dry, accessible area with clear clearance for service and wiring. Use the 3XA wiring connection as specified and follow the included wiring diagram. The unit is a totally enclosed non-ventilated design with a NEMA 4 enclosure and weighs 532 lb, so ensure a sturdy base and appropriate lifting equipment during installation. Primary voltage is 240/480 V and secondary voltage is 120/240 V, operating at 60 Hz.
Yes. Its 15 kVA single-phase rating, 240/480 V to 120/240 V output, and NEMA 4 enclosure make it ideal for automation cabinets, PLC power supplies, and remote I/O panels. UL listing adds reliability and traceability, while the DOE 2016 exempt status helps streamline compliance and procurement in busy manufacturing environments.
The T20P11S15CUN4 is UL Listed and features a NEMA 4 enclosure for enhanced protection in challenging environments. It uses copper windings and supports a 150 °C rise insulation with 220 °C insulation class, designed for reliable operation at 60 Hz. These certifications and specifications support safe, compliant installation in industrial facilities.
This transformer provides a 240/480 V primary supply and a 120/240 V secondary output, operating at 60 Hz. It is a 15 kVA, single-phase unit with copper windings, designed for control-power applications in industrial automation and machine control panels.
The totally enclosed non-ventilated design minimizes maintenance by eliminating fans and regular filter changes. Its rugged NEMA 4 enclosure protects against dust and moisture, reducing service calls. Copper windings improve efficiency and thermal stability, contributing to lower operating costs and longer service life, while UL listing and DOE exemption support regulatory confidence and total cost of ownership benefits.