Eaton XTT3F3-50C Dry-type Transformer - Hazardous Location
Part Number: XTT3F3-50C
Quick Summary
XTT3F3-50C is a dry-type transformer delivering 3 kVA isolation for hazardous-area control panels. Engineers often struggle with space constraints, corrosion risks, and complex wiring in hazardous zones. This unit meets NEC/CEC compliance, Class I, Division 2 hazardous location ratings, and a NEMA 4 enclosure, supporting safe operation in demanding environments. Resin encapsulation and copper windings enable reliable performance in 50°C ambient, reducing maintenance downtime and extending service life. With three-phase construction and a 480 Vac primary feeding 400Y/231 Vac secondary loads, it fits standard industrial power-distribution schemes while minimizing enclosure size and wiring complexity. The combination of rugged construction and recognized certifications translates to lower total cost of ownership for rugged installations.
Product Information
Extended Description
XTT3F3-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 3 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
XTT3F3-50C
UPC
662276963023
Product Length/Depth
15.88 in
Product Height
15.39 in
Product Width
9.88 in
Product Weight
135 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: 3 kVA three-phase rating with 480 Vac primary and 400Y/231 Vac secondary. Business Impact: Simplifies power distribution for control panels and equipment, reduces voltage drop, and supports balanced loads. Application: Hazardous-area motor control centers and instrumentation panels in chemical plants or refineries. Feature: Resin-encapsulated construction with copper windings. Business Impact: Enhanced moisture and contaminant resistance, improved heat dissipation, and longer service life. Application: Wet or dusty factory floors and outdoor electrical rooms where reliability matters. Feature: Painted steel enclosure with NEMA 4 protection. Business Impact: Durable enclosure against corrosion and environmental ingress, lowering maintenance costs. Application: Indoor/outdoor installations in harsh environments. Feature: NEC/CEC compliance and Class I, Division 2 rating. Business Impact: Streamlines procurement and reduces regulatory risk with proven hazardous-location performance. Application: Hazardous-location power distribution in oil, gas, or chemical processing facilities. Feature: Compact footprint and weight of 135 lb with dimensions 15.88 in (L) × 15.39 in (H) × 9.88 in (W). Business Impact: Easier installation, transport, and mounting in restricted electrical rooms. Application: Retrofit projects and new builds requiring space efficiency and simpler handling.
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FAQs
Follow the product installation guide for hazardous locations, ensuring the unit is mounted within a Class I, Division 2 environment and protected by a NEMA 4 enclosure. Verify clearances, proper cooling, and secure wiring to minimize arcing risk. Use appropriate conduits and permit-required electrical work per local codes.
The transformer is a three-phase device rated at 3 kVA with a 480 Vac primary and a 400Y/231 Vac secondary, operating at 60 Hz. Copper windings and resin encapsulation support reliable operation in harsh environments, with a 50°C ambient rating.
Yes. It is designed for NEC/CEC compliance and is rated for Hazardous/Classified Locations (NEC Class I, Division 2), in addition to a NEMA 4 enclosure for environmental protection.
The transformer measures 15.88 inches in length, 15.39 inches in height, and 9.88 inches in width, and weighs approximately 135 pounds, facilitating easier handling and installation in constrained spaces.
Common applications include hazardous-area control panels, instrumentation, and power distribution in chemical plants, oil & gas facilities, and other environments requiring rugged, compliant 3 kVA transformers with reliable isolation and low maintenance.