Eaton Z48G31T75 Hazardous Transformer - Class 1 Div 2
Part Number: Z48G31T75
Quick Summary
The Eaton Z48G31T75 Hazardous Transformer safely converts power for Class I Div 2 industrial facilities. Engineers often struggle with meeting strict safety and regulatory requirements while keeping downtime low. UL Listed and CSA Certified, with a rugged NEMA 3R enclosure, support safe indoor-outdoor use in hazardous zones. This combination, plus 75 kVA capacity and 480 V primary, delivers scalable power with improved safety and regulatory alignment. With three-phase design and 60 Hz operation, it supports balanced loads across plant equipment. Aluminum windings, 115°C rise, and -5% FCBN taps deliver durable performance with efficient voltage balance. Designed for reliable installation and long service life.
Product Information
Extended Description
Z48G31T75 Eaton: Class 1 Div. 2 Groups A, B, C, and D Hazardous Location Transformer, EPTZ, Three-phase, Primary voltage: 480V, Taps: 2 at -5% FCBN, Secondary voltage: 220Y/127V, 115°C, 75 kVA, Aluminum windings, FR245H, 66A, Indoor-Outdoor, 60 Hz, NEMA 3R
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G31T75
UPC
786680108860
Product Length/Depth
15.68 in
Product Height
31.98 in
Product Width
46.23 in
Product Weight
1317 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed CSA Certified
Type
Class 1 Division 2 Groups A, B, C, & D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220Y/127 V
Temperature rise
115 °C rise
Design
EPTZ
Enclosure
NEMA 3R
Frame
245H
Tap size
2 at -5% FCBN
Volt ampere rating
75 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature encapsulated construction provides enhanced safety in hazardous locations and simplifies installation, reducing regulatory risk and downtime. Benefit: safer operations and faster commissioning in Class I Division 2 environments; Application: power distribution in oil, gas, and chemical facilities. Feature 75 kVA rating supports scalable loads, enabling a single unit to serve multiple circuits or phased equipment without overdesign. Benefit: lower total cost of ownership and easier capacity planning; Application: plant-wide distribution where future expansion is anticipated. Feature primary 480 V and secondary 220Y/127 V with three-phase 60 Hz operation ensures compatibility with standard industrial power systems. Benefit: consistent voltage balance and reduced equipment stress; Application: auxiliary equipment and motors across manufacturing lines. Feature -5% FCBN taps allow precise voltage tuning to maintain equipment performance; Benefit: tighter control of downstream devices and improved energy efficiency. Feature aluminum windings and a 115°C rise rating provide durability and robust heat tolerance; Benefit: longer service life in demanding environments. Feature NEMA 3R enclosure supports indoor-outdoor use; Benefit: weather-resistant protection and simplified site management; Application: installations exposed to varying ambient conditions. Feature 66A wiring connection and FR245H insulation enhance reliability; Benefit: dependable field wiring and extended insulation life in harsh plants; Application: control panels and feeder circuits. Warranty of one year from installation or 18 months from shipment offers business continuity; Benefit: clear coverage and predictable maintenance planning. Certifications UL Listed and CSA Certified reinforce compliance and supplier confidence; Application: procurement and regulatory audits. Frame 245H and 75 kVA rating combine a compact footprint with substantial power capability; Benefit: easier installation in restricted spaces while meeting peak demand. Design for indoor-outdoor use and rugged construction supports long service life in mission-critical deployments; Application: hazardous-location power distribution across facilities.
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FAQs
Plan for compliant mounting in a weather-protected area with a NEMA 3R enclosure, ensure proper clearance for cooling, and use correct wiring practices for 66A connections. Verify UL Listed and CSA Certified status during site audits, and implement -5% FCBN tap adjustments to maintain output stability under load variations.
The transformer delivers 75 kVA, with a 480 V primary and 220Y/127 V secondary. It is a three-phase, 60 Hz unit with aluminum windings, a 115°C rise, FR245H insulation, and -5% FCBN taps. Enclosure is NEMA 3R for indoor-outdoor use, suitable for hazardous environments.
Ideal for oil and gas facilities, chemical processing plants, and other manufacturing environments where hazardous locations prevail. It powers motors, control gear, and distribution circuits while meeting Class I Division 2 requirements, providing rugged performance, reliable operation, and safe outdoor installations.
The Z48G31T75 is UL Listed and CSA Certified, with a NEMA 3R enclosure suitable for indoor-outdoor use. It is designed for Class I Division 2 hazardous locations, ensuring regulatory compliance and supplier confidence across audits and procurement reviews.
Warranty covers one year from installation or 18 months from shipment. With aluminum windings, FR245H insulation, and a durable encapsulated design, maintenance needs are minimized. The unit’s reliability reduces downtime, while its scalable 75 kVA rating supports phased capacity growth, driving a favorable return on investment over time.