XTT3F6-50C Dry-Type Transformer - Class I, Division 2
Part Number: XTT3F6-50C
Quick Summary
XTT3F6-50C dry-type transformer provides reliable 480 Vac to 400Y/231 Vac three-phase power in hazardous locations. In Class I, Division 2 environments, maintenance and regulatory compliance can drive downtime and cost. This unit meets NEC/CEC standards, carries a hazardous-location area rating, and uses a NEMA 4 enclosure for rugged protection. Copper windings with resin encapsulation enable reliable operation at 50°C ambient. At 19.13 in length, 14.69 in height, and 11.88 in width, it fits standard electrical rooms, with a 140 lb footprint. This combination delivers compliant, cost-effective power conversion for OEMs and industrial facilities.
Product Information
Extended Description
XTT3F6-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 6 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
XTT3F6-50C
UPC
662276963030
Product Length/Depth
19.13 in
Product Height
14.69 in
Product Width
11.88 in
Product Weight
140 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 UL certification
XDT and XTT Hazardous Area Transformers UL certification
IF XDT - XDT Series Hazardous Area Transformers
Eaton Specification Sheet - XTT3F6-50C
Eaton Specification Sheet - XTT3F6-50C
Resin encapsulated construction with copper windings provides rugged insulation and moisture resistance, reducing maintenance intervals and extending service life in harsh environments; the business impact is fewer field issues and lower lifecycle costs, suitable for hazardous-area installations such as chemical plants and refineries. The 480 Vac to 400Y/231 Vac three-phase output at 60 Hz supports seamless integration with downstream equipment, improving power quality and reducing wiring complexity; the application is compatible with standard motor drives and distribution panels in industrial facilities. Painted steel enclosure with a NEMA 4 rating protects against dust and water ingress, enabling reliable operation in demanding environments and simplifying installation in outdoor or semi-outdoor areas; this reduces enclosure-related failures and accelerates commissioning. The 50°C ambient rating ensures performance in warm plant rooms, delivering steady voltage conversion without oversizing or excessive cooling requirements, which translates to lower installed cost and better energy efficiency. NEC/CEC compliance and Class I, Division 2 hazardous-location certification provide regulatory assurance for plant-wide safety programs, improving audit readiness and reducing risk during expansion. Dimensions of 19.13 in L, 14.69 in H, and 11.88 in W, plus a 140 lb weight, enable practical mounting in standard electrical spaces and simplify handling during maintenance and retrofits. Overall, the XTT3F6-50C combines proven Eaton Crouse-Hinds engineering with user-friendly installation, minimizing downtime and delivering dependable power in demanding production environments.
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FAQs
For Hazardous/Classified Locations, mount the XTT3F6-50C on a stable base in an area with adequate clearance for ventilation and inspection. The unit relies on a NEMA 4 enclosure and resin-encapsulated copper windings to resist moisture, dust, and chemical exposure, while maintaining 50°C ambient operation. Ensure proper clearance per Eaton installation sheets and connect to 480 Vac input with the 400Y/231 Vac secondary routed to downstream equipment.
The transformer provides a three-phase 480 Vac primary and 400Y/231 Vac secondary, suitable for standard industrial motors, drives, and control circuits. Its 60 Hz rating aligns with North American power systems, enabling straightforward integration without phase converters. Verify downstream equipment voltage tolerance and ensure protective devices are sized for the 6 kVA rating to maintain voltage regulation and minimize inrush effects.
Yes. The XTT3F6-50C adheres to NEC/CEC standards and carries a Hazardous Area rating (Class I, Division 2) with a NEMA 4 enclosure. This ensures compliance for hazardous-classified locations and supports regulatory documentation during audits. For supplier validation, reference UL certification pages and Eaton’s XDT/XTT literature in the provided downloads.
The transformer measures 19.13 in in length, 14.69 in in height, and 11.88 in in width, with a weight of 140 lb. These dimensions influence mounting layout, rack or pad space, and crane or lifting requirements. The compact footprint simplifies fitment in standard electrical rooms, while the weight dictates hardware selection for secure mounting and service access for maintenance.
A range of documents are available, including the SP3D design package for hazardous-area transformers, the XDT/XTT flyer, catalog page, UL certification pages, and Eaton specification sheets. Use the SP3D package for BIM and installation planning, the datasheets for purchasing decisions and spare parts, and UL/Certification reports to support compliance and QA during audits and commissioning.