Eaton Hazardous Location Transformer Z48G28T75CU - UL Listed
Part Number: Z48G28T75CU
Quick Summary
Eaton Hazardous Location Transformer Z48G28T75CU is a three-phase encapsulated transformer designed for Class I Division 2 environments and Groups C & D. This enables reliable power delivery in challenging facilities where safety and compliance are critical. The encapsulated design helps mitigate moisture, dust, and arc risks, addressing common field pain points like inconsistent voltages and safety violations. Key certifications include UL Listed status, plus a rugged NEMA 3R enclosure suited for indoor-outdoor installations, and Class I Division 2 compliance context. With copper windings and a 75 kVA rating, the solution supports demanding industrial loads while maintaining efficiency; installation is straightforward with 50/60 Hz operation and -5% FCBN taps, delivering business-value through uptime and reduced risk.
Product Information
Extended Description
Z48G28T75CU Eaton: Eaton 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, Cu windings, Frame: 245H, Indoor-Outdoor.
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T75CU
UPC
786680058561
Product Length/Depth
15.68 in
Product Height
32.06 in
Product Width
30.29 in
Product Weight
1455 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
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Copper
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
245H
Tap size
2 at -5% FCBN
Volt ampere rating
75 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Encapsulated design for hazardous locations → enhances safety and reliability by limiting moisture ingress and arc risks in Class I Division 2 facilities; this translates to fewer unplanned outages and easier regulatory compliance in chemical plants, oil fields, and similar environments. Three-phase operation with 75 kVA copper windings → delivers consistent power to critical controls and drives with precise voltage regulation from 480 V to 208Y/120 V; supports high-demand equipment while reducing voltage fluctuations and heat. -5% FCBN taps, 50/60 Hz, and copper windings → enables fine-tuned voltage adjustment to match site loads, improving efficiency and protection of sensitive electronics; practical for plants with variable loading and diverse motor drives. NEMA 3R indoor-outdoor enclosure and Weathershield capability → enables outdoor mounting and rugged service in harsh environments, minimizing space constraints and simplifying installation in outdoor switchrooms. Heavy-frame design (245H) with documented dimensions (depth 15.68 in, height 32.06 in, width 30.29 in) and weight (1455 lb) → supports secure, permanent mounting in established plant layouts; compatibility with 66A wiring connection simplifies wiring and reduces field wiring errors. Warranty of one year from installation or eighteen months from shipment → provides financial protection and demonstrates Eaton’s commitment to long-term performance and service support.
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FAQs
Plan for a secure, grounded mounting setup using the 245H frame and ensure the enclosure is installed in accordance with NEMA 3R guidelines. Verify the site voltage matches 480 V primary and 208Y/120 V secondary loads, and account for the -5% FCBN tap setting to minimize voltage drift under varying loads. Maintain proper clearance and follow safety procedures for hazardous locations to preserve UL Listed compliance.
The Z48G28T75CU is a three-phase transformer rated at 75 kVA with a 480 V primary and 208Y/120 V secondary. It uses copper windings and supports 50/60 Hz operation with a 115 °C rise. Taps are 2 at -5% FCBN, which allows voltage adjustment to align with site loads. These specs provide reliable voltage conversion and protection for sensitive equipment in hazardous environments.
Yes. It features an indoor-outdoor Weathershield design with a NEMA 3R enclosure, enabling safe outdoor installation in appropriate environments. The encapsulated construction reduces exposure to moisture and dust, and the Class 1 Division 2 rating plus Group C&D suitability ensures compliance and safety in hazardous locations.
The transformer is UL Listed, confirming compliance with standard safety requirements for electrical equipment. It is designed for Class I Division 2 hazardous locations (Groups C & D) and features a NEMA 3R enclosure for indoor-outdoor use. These certifications matter for regulatory compliance, worker safety, and reliability in demanding industrial settings.
With copper windings, a robust NEMA 3R enclosure, and a defined warranty (one year from installation or eighteen months from shipment), the Z48G28T75CU offers durable performance with predictable service intervals. Routine checks should focus on enclosure integrity, terminal connections, and loads near the rated 75 kVA to sustain efficiency and minimize downtime.