Eaton XTT3B150X Transformer - 4X
Part Number: XTT3B150X
Quick Summary
XTT3B150X dry-type transformer delivers safe, efficient power conversion for hazardous-area equipment across industrial facilities. Operators often struggle with space constraints, strict code compliance, and escalating maintenance costs when selecting robust transformers. This unit carries NEC/CEC compliance and a Class I, Division 2 hazardous location rating, along with a NEMA 4X enclosure for rugged environments. Built with 316 stainless steel, copper windings, and a resin-encapsulated design, it helps minimize leakage paths and moisture ingress while enabling easier serviceability. By matching 480 Vac primary to 208Y/120 Vac secondary in a three-phase setup, it delivers reliable, scalable power for critical loads with reduced total cost of ownership.
Product Information
Extended Description
XTT3B150X Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 150 kVA, 316 stainless 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
XTT3B150X
UPC
662276963283
Product Length/Depth
30.5 in
Product Height
31.38 in
Product Width
36.63 in
Product Weight
2677 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
NEMA Rating
4X
Type
Resin encapsulated
Phase
Three-phase
Primary voltage
480 Vac
Secondary Voltage
208Y/120 Vac
Frequency rating
60 Hz
Material
316 stainless 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 Canadian certification
XDT and XTT Hazardous Area Transformers Canadian certification
IF XDT - XDT Series Hazardous Area Transformers
Eaton Specification Sheet - XTT3B150X
Eaton Specification Sheet - XTT3B150X
Feature: 316 stainless steel enclosure and resin-encapsulated construction. Business Impact: Superior corrosion resistance and moisture protection in harsh environments, reducing maintenance cycles and downtime. Application: Hazardous/classified locations in chemical plants or oil & gas facilities benefit from durable enclosures and sealed windings. Feature: Copper windings. Business Impact: Higher thermal efficiency and robust electrical current handling, improving overall system reliability and lifespan. Application: Heavy-load distribution to motors and control gear in 60 Hz networks. Feature: Three-phase, 480 Vac primary to 208Y/120 Vac secondary. Business Impact: Standardized, scalable power distribution for medium- to high-demand loads, decreasing secondary equipment mis-matches. Application: Panel boards, MCCs, and controlled plant sections in industrial settings. Feature: Resin encapsulation. Business Impact: Enhanced insulation integrity and moisture resistance, enabling safer operation in hazardous locations. Application: Transformer installations in environments with dust, moisture, or chemical exposure. Feature: NEC/CEC compliance, Class I Division 2 rating, and NEMA 4X enclosure. Business Impact: Regulatory confidence and protection against environmental ingress, simplifying procurement and safe installation. Application: Compliance-driven projects in regulated facilities requiring hazardous-location certification.
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FAQs
Yes. The XTT3B150X is built for hazardous areas and carries NEC/CEC compliance with a Class I Division 2 rating, plus a NEMA 4X enclosure. It is designed to connect 480 Vac three-phase supply to 208Y/120 Vac loads, making it suitable for control panels, MCCs, and critical equipment in regulated facilities. Ensure proper enclosure mounting and clearances per local codes.
The transformer operates at 60 Hz with a 480 Vac primary and a 208Y/120 Vac secondary in a three-phase configuration. It provides 150 kVA nominal rating, uses copper windings, and features resin encapsulation in a 316 stainless steel enclosure to withstand harsh environments. These specs support reliable power conversion for demanding loads.
Plan for a secure, level mount with adequate clearance for service access. The unit weighs approximately 2677 lb and measures about 30.5 in L × 36.63 in W × 31.38 in H. Use rigid seismic or structural mounting as required, and verify that the installation site meets hazardous-location requirements and temperature/ventilation guidelines to maintain optimal cooling.
This transformer adheres to NEC/CEC standards and carries NEC hazardous location Class I, Division 2 approval, along with a NEMA 4X enclosure rating for robust environmental protection. It is designed for hazardous/classified locations and aligns with industry best practices for safe, compliant power distribution in regulated facilities.
Resin encapsulation and copper windings reduce moisture ingress and thermal stress, meaning longer service intervals and lower maintenance costs. The rugged stainless steel enclosure and high-grade materials also minimize corrosion-related replacements. In practice, facilities with aggressive uptime targets and strict regulatory requirements see improved reliability and reduced lifecycle costs with XTT3B150X.