Eaton XTT3F15-50C Dry-Type Transformer - Hazardous Locations
Part Number: XTT3F15-50C
Quick Summary
XTT3F15-50C dry-type transformer is designed to reliably step-down 480 Vac to 400Y/231 Vac for 15 kVA three-phase loads in hazardous locations. Facility engineers often battle unsafe installation spaces, uncertain compliance, and costly downtime when selecting transformers for hazardous areas. This unit carries NEC/CEC compliance, Class I, Division 2 hazardous rating, and a NEMA 4 enclosure to safeguard personnel and equipment. With a copper-windings design and 50°C ambient rating, it delivers durable performance, while resin encapsulation reduces moisture risk and simplifies field servicing. Overall, XTT3F15-50C aligns with critical business goals: reliable power, regulatory confidence, and predictable maintenance costs, supporting safer, more efficient plant operations.
Product Information
Extended Description
XTT3F15-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 15 kVA, Painted 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
XTT3F15-50C
UPC
662276963054
Product Length/Depth
26.1 in
Product Height
21.88 in
Product Width
16.5 in
Product Weight
425 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
NEMA Rating
4
Type
Resin encapsulated
Phase
Three-phase
Primary voltage
480 Vac
Secondary Voltage
400Y/231 Vac
Frequency rating
60 Hz
Material
Painted 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 - XTT3F15-50C
Eaton Specification Sheet - XTT3F15-50C
Feature → Business Impact → Application: Resin-encapsulated windings and painted steel enclosure provide moisture resistance and mechanical durability in harsh environments, reducing insulation failures and maintenance cycles; ideal for hazardous locations in chemical plants or oil & gas facilities where reliability is non-negotiable. Feature → Application → Benefits: Copper windings offer high electrical conductivity, improving efficiency and reducing I2R losses, which translates to lower energy costs in continuous-operation processes. Feature → Application → Business Impact: Three-phase 15 kVA rating with 480 Vac primary and 400Y/231 Vac secondary supports standard plant power distribution, simplifying field wiring and accelerating installation in new or retrofit projects. Feature → Compliance → Risk Mitigation: NEC/CEC adherence, Class I Division 2 rating, and NEMA 4 protection ensure regulatory alignment and personnel safety, reducing the risk of non-compliance penalties. Feature → Installation → Operational Advantage: 50°C ambient rating enables dependable operation in warm plant spaces, minimizing derating needs and extending service intervals. Feature → Compatibility → Maintenance: Resin encapsulation reduces moisture ingress, improving long-term reliability in environments with dust and chemicals, which lowers downtime and service costs over the transformer’s life.
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FAQs
Install on a stable, ventilated surface within a hazardous/classified area per NEC/CEC. The unit’s NEMA 4 enclosure and resin-encapsulated winding protect against dust and moisture. Ensure ambient temperature stays near or below 50°C and that wiring follows the 480 Vac to 400Y/231 Vac specification for a safe, code-compliant setup.
Key ratings include three-phase operation at 15 kVA, a 480 Vac primary voltage, and a 400Y/231 Vac secondary voltage, with a 60 Hz frequency rating. Copper windings and resin encapsulation support durability. The transformer is designed for hazardous locations with a NEMA 4 enclosure and Class I, Division 2 rating.
The XTT3F15-50C complies with NEC/CEC standards and carries a Hazardous/Classified Locations area classification. It has NEC hazardous rating Class I, Division 2 and a NEMA 4 enclosure rating, ensuring suitability for hazardous environments and providing regulatory confidence for facility upgrades and new installations.
Common applications include hazardous-area power distribution in oil, gas, chemical processing, and heavy manufacturing facilities. It converts 480 Vac to 400Y/231 Vac for downstream equipment, enabling safe operation of motors, controls, and instrumentation in Class I, Division 2 environments, while meeting NEC/CEC and NEMA 4 requirements.
Plan for proper mounting, secure wiring, and periodic inspection of enclosure integrity. Resin encapsulation and copper windings minimize moisture-related issues and insulation maintenance, while 50°C ambient rating supports reliable performance in warm spaces. Leveraging standard parts, datasheets, and OEM installation guides reduces lead times and unplanned downtime, improving total cost of ownership.