Eaton Z48G28T15CU Hazardous Location Transformer - UL Listed
Part Number: Z48G28T15CU
Quick Summary
The Eaton Z48G28T15CU Hazardous Location Transformer delivers safe, reliable three-phase power for Class 1 Division 2 environments. In harsh industrial settings, equipment reliability and regulatory compliance are critical to avoid costly downtime and safety incidents. This transformer is UL Listed and designed with a rugged NEMA 3R enclosure to withstand indoor-outdoor installations, while its compact 15 kVA footprint supports scalable next-step upgrades. The unit features copper windings, a 480 V primary, and a 208Y/120 V secondary, making it ideal for control panels, motor drives, and instrumentation in hazardous zones. With voltage taps and robust construction, it aligns with maintenance strategies and total cost of ownership goals for process industries.
Product Information
Extended Description
Z48G28T15CU 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, 15 kVA, Cu windings, Frame: 95H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T15CU
UPC
786680091643
Product Length/Depth
10.52 in
Product Height
17.78 in
Product Width
25.18 in
Product Weight
334 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
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
95H
Tap size
2 at -5% FCBN
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Wiring connection
70A
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - Z48G28T15CU
Selling Policy 25-000 - Distribution and Control Products and Services
Class 1 Division 2, Groups C and D hazardous location rating provides essential safety and compliance for installation in potentially flammable environments, reducing regulatory risk and enabling use in chemical plants and refineries. → Business Impact: Safer operations and reduced risk of non-compliance costs. → Application: Control panels and switchgear in Division 2 plants. This transformer uses copper windings for higher conductivity and efficiency, improving power quality and reducing heat losses under load. → Business Impact: Lower energy waste and cooler operation, contributing to longer equipment life. → Application: Instrumentation power supplies and PLCs in hazardous areas. Three-phase 15 kVA, 480 V to 208Y/120 V, with 50/60 Hz compatibility supports versatile distribution and rapid deployment in mixed-voltage environments. → Business Impact: Fast integration with existing plant assets and minimal downtime. → Application: MCCs and distribution feeders serving safety systems. Tap size 2 at -5% FCBN enables fine voltage regulation under fluctuating loads. → Business Impact: Improved voltage stability and component protection. → Application: Sensitive controls and motor starters in variable-load zones. NEMA 3R enclosure and Indoor-Outdoor weathershield ensure weather resistance and reliable operation in outdoor locations. → Business Impact: Outdoor mounting without dedicated enclosure costs. → Application: Outdoor transformers on process lines or near staging areas. Frame 95H with dimensions 25.18 in W × 17.78 in H × 10.52 in D and weight 334 lb enable straightforward mounting in standard electrical rooms or on equipment skids. → Business Impact: Space-efficient footprint reduces installation time and supports retrofit projects. Warranty coverage follows Eaton policy, providing predictable service commitments for facility planners. → Business Impact: Lower maintenance risk and clearer ROI timelines.
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FAQs
Installations must comply with Class 1 Division 2 Group C and D guidelines. The transformer uses a NEMA 3R enclosure designed for indoor-outdoor use, copper windings, and a 480 V primary to 208Y/120 V secondary. Ensure proper clearance for cooling and verify a suitable mounting surface accessible for maintenance and tapping adjustments.
It is a three-phase, 15 kVA transformer with a 480 V primary, 208Y/120 V secondary, and a 50/60 Hz frequency rating. It features copper windings, a frame 95H, and a tap changer with two taps at -5% FCBN to aid voltage regulation under varying loads.
UL Listing confirms compliance with recognized electrical safety standards for hazardous locations, reducing regulatory risk and supporting safer operation in Division 2 environments. It also helps with procurement approvals and minimizes on-site verification time during audits.
Regular inspection of the enclosure, cooling pathways, and tap connections is recommended. With copper windings and a robust NEMA 3R enclosure, maintenance focuses on ensuring tight connections, checking for moisture ingress, and documenting the transformer’s operating temperature rise (115 °C) under expected loads.
Its compact footprint, outdoor-capable enclosure, and 15 kVA rating reduce space and integration costs. The combination of Class 1 Division 2 compliance, robust build, and a reliable 480 V to 208Y/120 V output minimizes downtime, lowers maintenance overhead, and accelerates project timelines, delivering measurable uptime and energy efficiency gains.