Eaton Z48G28T45A Hazardous Location Transformer - UL Listed
Part Number: Z48G28T45A
Quick Summary
The Eaton Hazardous location encapsulated transformer provides reliable three-phase power conversion for demanding industrial environments. In hazardous locations, equipment must withstand corrosive atmospheres and moisture while meeting safety codes, uptime, and maintenance budgets. It is UL Listed and engineered for Class 1 Division 2 Groups C and D, with a NEMA 3R enclosure suitable for indoor-outdoor service. Designed for power management and distribution in process plants, it supports compliant, efficient operation and predictable ROI across critical loads. The unit delivers scalable power with a 45 kVA rating and 480 V primary to 208Y/120 V secondary, enabling robust control and motor-start applications in challenging environments.
Product Information
Extended Description
Z48G28T45A Eaton: Eaton Hazardous location encapsulated transformer, Class 1 Division 2 Groups A, B, C, D Hazardous Location Transformer, Three-phase, PV: 480V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 115°C, 45 kVA, Al windings, Frame: 244, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T45A
UPC
786680006289
Product Length/Depth
12.76 in
Product Height
26.58 in
Product Width
25.15 in
Product Weight
703 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.
Compliances
Not Applicable
Certifications
UL Listed
Catalog Notes
Model A
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
50/60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Design
EPTZ
Enclosure
NEMA 3R
Frame
244H
Tap size
2 at -5% FCBN
Volt ampere rating
45 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature → Business Impact → Application: Class 1 Division 2 Groups C & D construction ensures compliance with hazardous-location safety requirements, reducing risk and enabling installation in restricted zones without separate enclosures. This supports uptime in oil, gas, and chemical processing where safety certification translates to lower insurability costs and fewer project delays. Feature → Application: 45 kVA three-phase transformer with 480 V primary and 208Y/120 V secondary delivers reliable load power for panel boards, motor starters, and control circuits, enabling streamlined distribution in industrial plants. Feature → Application: Aluminum coil material decreases copper dependency while maintaining good conductivity and heat dissipation, lowering material costs and simplifying procurement for large installations. Feature → Application: NEMA 3R indoor-outdoor enclosure and Weathershield design withstand rain, dust, and temperature swings, expanding mounting options and reducing enclosure sourcing complexity. Feature → Application: Two taps at -5% FCBN provide voltage regulation flexibility to accommodate minor input variations, improving overall system voltage stability and protecting sensitive equipment. Feature → Application: 66 A wiring connection and 12.76 in length by 25.15 in width by 26.58 in height footprint facilitate compatibility with standard electrical rooms and existing busbar layouts, aiding faster installation. Feature → Application: UL Listed certification and a one-year (or 18-month from shipment) warranty deliver confidence for long-term operation, reducing maintenance planning overhead and reinforcing total cost of ownership benefits.
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FAQs
For Class 1 Division 2 locations, install the Z48G28T45A using a rigid mounting surface that accommodates its 703 lb weight and 244H frame. Ensure proper clearance for ventilation and access to the 66A wiring connection. Use the NEMA 3R enclosure rating for outdoor exposure, and follow all local codes for hazardous-area electrical equipment.
The unit is a 45 kVA, three-phase transformer with a 480 V primary and 208Y/120 V secondary, rated for 50/60 Hz operation. Aluminum windings support efficient power transfer and heat management. Two taps at -5% FCBN allow minor voltage adjustments to better regulate downstream equipment, improving voltage stability for sensitive controls.
Yes. The transformer is designed for Class 1 Division 2 Groups C and D hazardous locations, UL Listed, and housed in a NEMA 3R indoor-outdoor enclosure. This combination supports safe operation in oil, gas, and chemical processing plants while meeting stringent safety and reliability expectations.
Key certifications include UL Listed status and compliance with Class 1 Division 2 Groups C & D. The NEMA 3R enclosure supports outdoor service, and the design incorporates protective features for hazardous environments. These certifications help validate safety, installation confidence, and insurance compatibility for industrial facilities.
Eaton offers a warranty of one year from installation or eighteen months from shipment, whichever occurs first, helping minimize unexpected repair costs. Coupled with UL Listing and rugged enclosure, this transformer reduces maintenance intervals, lowers downtime risk, and contributes to lower total cost of ownership over the asset lifecycle.