Eaton XTT3B112 Dry-Type Transformer - Hazardous Locations
Part Number: XTT3B112
Quick Summary
The XTT dry-type transformer from Eaton Crouse-Hinds provides reliable voltage isolation and step-down service for hazardous-area electrical installations. Maintenance teams struggle with corrosive environments and variable loads; a rugged, resin-encapsulated design reduces upkeep and downtime. This unit meets NEC/CEC requirements and is rated for Hazardous/Classified Locations with a NEMA 4 enclosure, supporting safe, code-compliant operation in challenging environments. By combining robust protection with efficient copper windings, it delivers long-term reliability while enabling scalable power distribution for industrial facilities. This translates to lower total cost of ownership through improved uptime, energy efficiency, and streamlined procurement for critical electrical infrastructure.
Product Information
Extended Description
XTT3B112 Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 112.5 kVA, Painted steel, Three-phase, 480 Vac primary voltage, 208Y/120 Vac secondary voltage, Copper windings, Resin encapsulated
Product Name
Eaton Crouse-Hinds series XTT dry-type transformer
Catalog Number
XTT3B112
UPC
662276959613
Product Length/Depth
36.36 in
Product Height
25.63 in
Product Width
30.75 in
Product Weight
2253 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
208Y/120 Vac
Frequency rating
60 Hz
Material
Painted steel
Special features
Copper windings
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 UL certification
XDT and XTT Hazardous Area Transformers UL certification
IF XDT - XDT Series Hazardous Area Transformers
Eaton Specification Sheet - XTT3B112
Eaton Specification Sheet - XTT3B112
Resin-encapsulated construction with copper windings delivers superior moisture and contamination resistance, reducing insulation failures and maintenance cycles in harsh plants. This translates to fewer unplanned outages and longer transformer life in hazardous locations, enabling plants to maintain steady production. The painted steel enclosure with a NEMA 4 rating provides durable protection against dust, water, and outdoor exposure, lowering enclosure maintenance and enabling flexible indoor or outdoor installations. With a three-phase 60 Hz design and 480 Vac primary to 208Y/120 Vac secondary, the XTT3B112 integrates smoothly into standard plant power systems, improving voltage stability and minimizing distribution losses across the line. NEC/CEC compliance and Hazardous/Classified Locations certification deliver regulatory assurance, helping engineering teams satisfy safety codes without extra engineering work. The unit’s footprint and weight – 36.36 in L, 25.63 in H, 30.75 in W, 2253 lb – emphasize rugged, ship-in-one-piece reliability that reduces field assembly time and aligns with crane-ready installation practices. Overall, the combination of rugged protection, efficient copper windings, and code compliance translates into lower maintenance costs, higher uptime, and faster project execution for heavy industrial applications.
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FAQs
Install per NEC/CEC guidelines, in a suitable enclosure or location that supports Class I, Division 2 hazards. Use proper clearance for cooling and connections, and ensure 480 Vac primary and 208Y/120 Vac secondary terminations are protected from moisture and dust. For heavy units like XTT3B112 (weight around 2253 lb), plan rigging and lifting with rated equipment and confirm mounting dimensions (L 36.36 in, W 30.75 in, H 25.63 in) fit the intended space.
Key specs include 112.5 kVA rating, 60 Hz frequency, 480 Vac primary, and 208Y/120 Vac secondary. Copper windings improve efficiency and thermal performance, while resin encapsulation enhances insulation and moisture resistance. These factors contribute to stable voltage conversion, lower losses, and reliable operation under heavy industrial loads.
Yes. The transformer is designed for Hazardous/Classified Locations with NEC/CEC compliance and a NEMA 4 enclosure, making it appropriate for chemical processing, oil/gas, and other hazardous facilities where safety codes and environmental protection are critical.
XTT3B112 carries NEC/CEC standards, Class I, Division 2 hazardous rating, and a NEMA 4 enclosure rating. These certifications support regulatory compliance, reduce integration risk, and simplify approval processes for facilities operating in hazardous environments.
The resin-encapsulated design with copper windings minimizes moisture-related degradation and reduces maintenance cycles. Rugged steel enclosure and industrial-grade construction lower field repair frequency, contributing to higher uptime and a lower total cost of ownership over the transformer’s service life.