Eaton Z48G28T75A Hazardous Encaps Transformer - UL Listed
Part Number: Z48G28T75A
Quick Summary
Hazardous Location Encapsulated Transformer from Eaton provides safe, reliable power for three-phase systems in Class I Division 2 facilities. Operators face heat, moisture, and regulatory risk when converting voltages in hazardous areas, making robust protection essential. This unit carries UL Listed certification, Class I, Division 2 compliance, and a rugged NEMA 3R enclosure to endure indoor-outdoor service. By combining robust enclosure with precise voltage regulation and aluminum windings, it helps facilities meet codes while lowering total cost of ownership. The result is consistent power quality for critical loads and simplified maintenance planning for electrical teams, supporting safer, more efficient operations across industrial environments.
Product Information
Extended Description
Z48G28T75A Eaton: Eaton General-Purpose Encapsulated Transformer, Class 1 Division 2 Groups C and D, Hazardous Location Transformer, EPTZ, Three-phase, PV: 480V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 115°C, 75 kVA, Al windings, Frame: 245H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T75A
UPC
786680006296
Product Length/Depth
15.68 in
Product Height
32.06 in
Product Width
30.29 in
Product Weight
1314 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
Class I, Div. 2, Groups A, B, C, D
Certifications
UL Listed
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
50/60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 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
Hazardous location compliance translates directly to risk reduction and safer startup procedures for your distributed power system. Feature → Business Impact → Application: Class I Division 2, Groups C and D approval reduces ignition risk and aids regulatory alignment during commissioning; applicable to chemical plants and oil & gas facilities where strict hazardous-area rules apply, improving uptime and workforce safety. Feature → Business Impact → Application: EPTZ design with 115°C rise enables reliable operation in demanding environments, minimizing derating and thermal concerns in high-load scenarios such as batch processing or peak demand periods. Feature → Business Impact → Application: NEMA 3R indoor-outdoor enclosure provides weatherproof protection, enabling flexible placement at loading docks or plant perimeters while maintaining compliance and reducing enclosure-related maintenance. Feature → Business Impact → Application: 75 kVA three-phase capacity with 480 V primary and 208Y/120 V secondary simplifies panel design, reduces cable runs, and supports scalable distribution in mid-size facilities or retrofit projects. Feature → Business Impact → Application: Aluminum windings offer corrosion resistance and lower weight, improving service life and ease of handling during installation in corrosive atmospheres like wash-down zones or coastal plants. Feature → Business Impact → Application: Tap option 2 at -5% FCBN with 66A wiring connection supports precise voltage regulation and compatibility with existing distribution gear, cutting voltage fluctuations and enhancing equipment performance. Feature → Business Impact → Application: Indoor-outdoor versatility and robust warranty provide predictable total cost of ownership, enabling procurement teams to justify upgrades to reliability-centric maintenance programs.
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FAQs
The Z48G28T75A is designed as a Class I Division 2, Groups C and D transformer with UL Listing and a NEMA 3R enclosure, enabling safe operation in hazardous environments while meeting stringent regulatory requirements and reducing ignition risk.
The transformer has a 480 V primary and a 208Y/120 V secondary, supporting standard low-voltage distributions for three-phase systems and simplifying panel design and cable management.
Yes. It includes taps at -5% (2 taps) to help regulate voltage under varying load conditions, aiding voltage stability and protecting connected equipment from over- or under-voltage conditions.
With a NEMA 3R enclosure rated for indoor-outdoor use, the unit withstands weather exposure and harsh environments, enabling versatile placement at facilities’ perimeters or indoors while maintaining safety and compliance.
Eaton provides a 1-year warranty from installation or 18 months from shipment (whichever occurs first). Routine maintenance focuses on enclosure integrity, winding insulation checks, and ensuring proper ventilation and clearance around the unit.