Eaton XTT3F15X-50C Dry-type Transformer - Class I, Div 2
Part Number: XTT3F15X-50C
Quick Summary
Eaton XTT3F15X-50C dry-type transformer safely steps down utility power for equipment in harsh industrial environments. In the field, encapsulated units must resist corrosion and survive temperature cycling without compromising safety. This model integrates NEC/CEC compliance, a Class I, Division 2 rating, and a NEMA 4X enclosure to meet stringent hazardous-location requirements. The resin-encapsulated design with copper windings supports reliable operation at 50°C ambient, while the 480 Vac primary and 400Y/231 Vac secondary outputs cover a wide range of control circuits and motor starters. For procurement and maintenance teams, the combination of rugged enclosure, clear documentation, and standard 60 Hz operation reduces risk and accelerates project timelines. Its compact footprint and 15 kVA rating support efficient power distribution, lowering total cost of ownership.
Product Information
Extended Description
XTT3F15X-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 15 kVA, 316 stainless steel, Three-phase, 480 Vac primary voltage, 400Y/231 Vac secondary voltage, Copper windings, 50°C ambient, Resin encapsulated
Product Name
Eaton Crouse-Hinds series XTT dry-type transformer
Catalog Number
XTT3F15X-50C
UPC
662276963139
Product Length/Depth
26.1 in
Product Height
21.88 in
Product Width
16.5 in
Product Weight
450 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
NEMA Rating
4X
Type
Resin encapsulated
Phase
Three-phase
Primary voltage
480 Vac
Secondary Voltage
400Y/231 Vac
Frequency rating
60 Hz
Material
316 stainless steel
Special features
Copper windings, 50°C ambient
SP3D Design Package - XDT and XTT Hazardous Area Transformers
XDT and XTT Hazardous Area Transformers Flyer
XDT and XTT Hazardous Area Transformers catalog page
XDT and XTT Hazardous Area Transformers Canadian certification
XDT and XTT Hazardous Area Transformers Canadian certification
IF XDT - XDT Series Hazardous Area Transformers
Eaton Specification Sheet - XTT3F15X-50C
Eaton Specification Sheet - XTT3F15X-50C
Resin-encapsulated construction with a 316 stainless steel enclosure provides superior corrosion resistance and reliability in harsh environments, reducing preventive maintenance and extending service life in hazardous locations. This is a 15 kVA, three-phase transformer designed for 60 Hz operation with a 480 Vac primary, delivering stable, clean power to control panels and motor drives while supporting fast commissioning and consistent performance across shifts. The secondary output of 400Y/231 Vac expands compatibility with a broad range of field devices, instrumentation, and actuators, enabling streamlined system integration and fewer voltage mismatch issues. Copper windings improve efficiency and thermal performance, while the 50°C ambient rating ensures robust operation under elevated plant temperatures, helping to minimize derating and over-sizing. Safety-focused attributes include NEC/CEC compliance, Class I Division 2 rating, and NEMA 4X enclosure, simplifying regulatory approvals and protecting personnel and equipment from dust, moisture, and chemical exposure. The compact footprint (26.1 in L x 16.5 in W x 21.88 in H) and a weight of 450 lb balance install flexibility with floor-space efficiency, supporting retrofits and new projects in tight electrical rooms and outdoor enclosures. Industry context favors resin-encapsulated, hazardous-area transformers for downstream equipment like supervisory panels and automation controllers, where reliability and compliance directly translate to reduced downtime and lower total cost of ownership.
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FAQs
The XTT3F15X-50C is a resin-encapsulated, three-phase transformer with a 480 VAC primary and 400Y/231 VAC secondary, designed for Class I, Division 2 environments and a NEMA 4X enclosure. Plan for space in hazardous-area electrical rooms, use proper seismic and mounting hardware, and follow Eaton installation instructions to ensure compliance and safe clearance around the unit.
This transformer carries NEC/CEC compliance, a Class I, Division 2 hazardous location rating, and a NEMA 4X enclosure. These certifications address electrical safety in classified locations, environmental protection against dust, water, and corrosion, and support regulatory approvals for installation in hazardous environments.
The unit measures 26.1 inches in length, 16.5 inches in width, and 21.88 inches in height, with an approximate weight of 450 pounds. Use these specs for footprint planning, rack or pad mounting considerations, and to ensure adequate service clearances during maintenance.
The transformer operates at 60 Hz with a 480 VAC primary and a 400Y/231 VAC secondary, suitable for three-phase distribution to control panels, motor starters, and automation equipment in industrial facilities, including hazardous locations requiring robust enclosure protection.
Resources include the SP3D Design Package for hazardous-area transformers, an XDT/XTT transformer flyer, the Crouse-Hinds catalog page, and certification reports for Canada and other regions. These materials provide installation guidance, dimensional details, and compliance references to accelerate engineering reviews and procurement.