Eaton XTT3F30X-50C Dry-Type Transformer - 4X Hazardous Location
Part Number: XTT3F30X-50C
Quick Summary
Eaton XTT3F30X-50C dry-type transformer provides reliable power isolation for hazardous-area loads. Facilities often struggle with safety codes, moisture, and corrosion, making rugged, certified equipment essential. It offers NEC/CEC compliance, Class I, Division 2 hazardous-area rating, and a NEMA 4X enclosure for demanding environments. The resin-encapsulated construction and copper windings deliver long service life, while streamlined installation saves on downtime. Designed for 60 Hz power distribution at 30 kVA, it supports efficient, compliant power for controlled environments.
Product Information
Extended Description
XTT3F30X-50C Eaton Crouse-Hinds: Eaton Crouse-Hinds series XTT dry-type transformer, 60 Hz, 30 kVA, 316 stainless 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
XTT3F30X-50C
UPC
662276963146
Product Length/Depth
26.13 in
Product Height
21.88 in
Product Width
19.75 in
Product Weight
530 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
400Y/231 Vac
Frequency rating
60 Hz
Material
316 stainless 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 - XTT3F30X-50C
Eaton Specification Sheet - XTT3F30X-50C
Resin-encapsulated construction reduces moisture ingress and arcing in harsh environments, delivering a reliable power path with lower maintenance costs and longer service life for hazardous-location installations. Business impact: improved uptime and reduced retrofit cycles in chemical plants or offshore facilities. Application: use in areas classified as hazardous or classified locations requiring NEC/CEC compliance and NEMA 4X protection. Three-phase 30 kVA rating supports scalable distribution to motor control centers and panelboards, enabling efficient load handling without oversized equipment. Industry context: copper windings offer high conductivity and thermal efficiency, translating to lower heat rise and better overall efficiency under continuous duty. 316 stainless steel enclosure provides corrosion resistance, extending service life in wet or chemical environments, while installation remains straightforward due to standard footprint and dimensions. Primary 480 Vac with a 400Y/231 Vac secondary supports common plant distribution schemes, simplifying back-feed and starter configurations. 50°C ambient rating ensures performance in hot industrial spaces, while resin encapsulation aids in vibration resistance and protection against dust, moisture, and incidental impacts.
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FAQs
The XTT3F30X-50C is a 30 kVA three-phase, resin-encapsulated dry-type transformer designed for 480 Vac primary and 400Y/231 Vac secondary. It is rated for Hazardous/Classified Locations with NEC/CEC compliance and a NEMA 4X enclosure, making it suitable for demanding industrial environments where safety and reliability are critical.
Key specs include three-phase operation at 60 Hz, 30 kVA power rating, primary voltage 480 Vac, secondary voltage 400Y/231 Vac, copper windings, and a 50°C ambient rating. The unit features resin encapsulation and a corrosion-resistant 316 stainless steel enclosure, supported by NEC/CEC and hazardous-location certifications.
Yes. It is rated for Hazardous/Classified Locations with NEC Class I, Division 2 recognition and a NEMA 4X enclosure, ensuring protection against dust, moisture, and corrosive environments. This makes it well-suited for chemical plants, oil/gas facilities, and other high-risk settings where safe power distribution is essential.
Consider its footprint and weight: approximately 26.13 in L, 19.75 in W, 21.88 in H, and about 530 lb. Ensure adequate clearance for ventilation and service access, plan for the 480 Vac input and 400Y/231 Vac output run, and verify compatibility with your switchgear and panelboards in hazardous locations.
Resin encapsulation provides moisture and vibration resistance, reducing insulation degradation and maintenance cycles. Combined with copper windings and 316 stainless steel enclosure, this yields longer service life, lower downtime, and predictable performance in harsh environments—leading to favorable total cost of ownership for plants with strict safety and reliability requirements.