Eaton XTT3F9-50C Dry-Type Transformer - Hazardous Locations
Part Number: XTT3F9-50C
Quick Summary
XTT3F9-50C dry-type transformer delivers reliable power conversion for industrial equipment in hazardous environments. It converts 480 Vac primary power to 400Y/231 Vac secondary in a three-phase, 9 kVA design designed for 60 Hz operation. For engineers, the main challenge is delivering safe, compliant power in tight spaces without sacrificing performance. This transformer meets NEC/CEC requirements, provides a NEMA 4 enclosure rating, and carries Class I, Division 2 hazardous location approval, ensuring safe operation in classified areas. The resin-encapsulated construction adds moisture and vibration resistance, while copper windings optimize efficiency. By combining robust protection with a compact footprint, it supports reliable panel power, minimizes maintenance, and aligns with industrial automation modernization projects.
Product Information
Extended Description
XTT3F9-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 9 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
XTT3F9-50C
UPC
662276963047
Product Length/Depth
22.38 in
Product Height
17.25 in
Product Width
13.88 in
Product Weight
200 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
XDT Hazardous Area Transformers
XDT Hazardous Area Transformers
Feature: 9 kVA rating and three-phase design provide sufficient capacity for moderate loads while keeping footprint compact. Business impact: reduces panel count, lowers installation costs, and improves energy management. Application: control panels and machine centers in hazardous locations. Feature: 480 Vac primary to 400Y/231 Vac secondary simplifies wiring and voltage distribution across equipment. Business impact: standardizes rails, minimizes mismatched components, and enhances safety. Application: automation panels and distributed motor control in hazardous areas. Feature: Resin encapsulated construction with copper windings offers robust thermal performance and vibration resistance. Business impact: improves reliability in harsh environments and reduces maintenance intervals. Application: chemical plants, refineries, and outdoor installations. Feature: Painted steel enclosure with 50°C ambient rating protects internal components from moisture and heat. Business impact: extends service life and lowers replacement costs. Application: dusty or humid facilities with elevated ambient temperatures. Feature: NEC/CEC compliance, NEMA 4 enclosure, and Class I, Division 2 rating provide regulatory alignment. Business impact: ensures safe operation and faster commissioning. Application: any hazardous-location power distribution system.
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FAQs
The XTT3F9-50C provides a 480 Vac primary input and a 400Y/231 Vac secondary output in a three-phase, 60 Hz configuration, suitable for installation in hazardous locations per NEC/CEC and Class I, Division 2 ratings.
Yes. With a compact resin-encapsulated, painted steel enclosure and a 9 kVA rating, it is designed for use in tight spaces inside control panels and automation cabinets, while meeting NEMA 4 and hazardous-location requirements.
Available resources include SP3D design packages, installation instruction sheets, product brochures, and catalog pages. These documents support compliant installation in hazardous environments and quick reference during commissioning.
Certifications include NEC/CEC compliance, NEMA 4 enclosure rating, and Class I, Division 2 hazardous location ratings, with area classification for hazardous/classified locations to support compliant system design.
Copper windings offer high electrical efficiency and robust thermal performance, while resin encapsulation reduces moisture ingress and vibration, contributing to longer service life and lower maintenance costs in harsh industrial environments.