Eaton XTT3F75-50C Dry-type Transformer - Hazardous Locations
Part Number: XTT3F75-50C
Quick Summary
XTT3F75-50C dry-type transformer delivers reliable power conversion for hazardous locations in industrial facilities. With a 75 kVA rating, 480 Vac primary and 400Y/231 Vac secondary across a three-phase configuration, it supports critical load centers under demanding conditions. Maintenance teams struggle with uptime in harsh environments, heat, and strict regulatory requirements. This unit meets NEC/CEC standards, Class I Division 2 hazardous rating, and NEMA 4 enclosure, delivering robust safety and protection. By combining resin encapsulation, copper windings, and a 50°C ambient rating, it offers long life with minimal cooling concerns. Designed for reliable power distribution, it helps optimize plant layouts and reduce lifecycle costs.
Product Information
Extended Description
XTT3F75-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 75 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
XTT3F75-50C
UPC
662276963078
Product Length/Depth
35.1 in
Product Height
26.64 in
Product Width
26 in
Product Weight
1430 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: Resin-encapsulated construction provides moisture and dust resistance, reducing insulation degradation and enabling installation in harsh environments. Business Impact: Lower maintenance costs and longer service intervals due to enhanced reliability. Application: Suitable for hazardous/classified locations in manufacturing and processing plants. Feature: Copper windings with paint finish for durability and efficient heat dissipation. Business Impact: Improved transformer efficiency and reduced thermal stress, supporting stable output under peak loads. Application: Ideal for continuous operation in 60 Hz industrial systems. Feature: 75 kVA rating with 480 Vac primary and 400Y/231 Vac secondary in a three-phase configuration. Business Impact: Scalable power distribution that supports a range of load centers while maintaining voltage regulation. Application: Common in distribution rooms and equipment cabinets in factories. Feature: 50°C ambient rating and robust steel enclosure with NEMA 4 protection. Business Impact: Greater reliability in hotter plants and easier outdoor/semi-enclosed installations, lowering enclosure-related failures. Application: Environments with dust, water, and temperature variations. Feature: NEC/CEC compliance and Class I, Division 2 rating. Business Impact: Compliance simplifies procurement audits, reduces regulatory risk, and accelerates project approvals. Application: Essential for facilities in hazardous locations requiring formal certification. Feature: Resin encapsulation provides mechanical rigidity and helps mitigate vibration and oil migration. Business Impact: Longer transformer life and reduced maintenance visits, improving overall uptime. Application: Heavy-duty duty cycles in process industries and data-center-like environments.
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FAQs
Plan for a three-phase, 480 Vac input with 400Y/231 Vac output in a resin-encapsulated, NEMA 4 enclosure. Ensure mounting on a sturdy surface capable of supporting 1430 lb weight, provide proper ventilation, and follow NEC/CEC guidelines for Class I Division 2 environments. Refer to installation sheets for spacing and clearance requirements to maintain cooling and accessibility for maintenance.
The unit is a 75 kVA, three-phase transformer with 480 Vac primary and 400Y/231 Vac secondary, operating at 60 Hz. It uses copper windings and is resin-encapsulated for rugged environmental tolerance, rated for a 50°C ambient. These specs support reliable, balanced voltage conversion for critical loads in demanding facilities.
Yes. It is certified for NEC/CEC compliance with a Class I, Division 2 hazardous rating and a NEMA 4 enclosure, making it suitable for hazardous/classified locations. This provides safer operation, easier regulatory acceptance, and reduced risk for installations in gas, dust, or moisture-prone areas.
It aligns with NEC/CEC standards and carries a Class I, Division 2 rating, plus a NEMA 4 enclosure. This combination ensures compliance for hazardous locations and durability in rugged industrial environments, supporting safer, compliant power distribution.
With resin encapsulation, copper windings, and a 50°C ambient rating, the XTT3F75-50C minimizes maintenance cycles and reduces unscheduled downtime. Its robust enclosure and certifications simplify compliance, reduce replacement risks, and extend service life, delivering a favorable total cost of ownership for facilities with aggressive uptime targets.