Eaton Z48G28T30CU Hazardous location encapsulated transformer - UL Listed
Part Number: Z48G28T30CU
Quick Summary
Eaton Z48G28T30CU is a hazardous location encapsulated transformer for safe power conversion in demanding industrial environments. Many facilities struggle with equipment that fails to meet strict safety and regulatory standards, causing downtime and costly rework. UL Listed, Class I Division 2, and a NEMA 3R enclosure provide critical compliance for hazardous locations and weather exposure. Designed for reliable three-phase power delivery in hazardous locations, it reduces downtime and supports compliant, cost-efficient energy transfer. With a 30 kVA rating, copper windings, and a 480 V primary / 208Y/120 V secondary, this transformer integrates seamlessly with modern control systems and power management strategies. The indoor-outdoor rating and taps at -5% add installation flexibility and long-term reliability.
Product Information
Extended Description
Z48G28T30CU Eaton: Class 1 Division 2 Groups A, B, C and D, Hazardous Location Transformer, EPTZ, Three-phase, PV: 480V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 115°C, 30 kVA, Cu windings, Frame: 243H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T30CU
UPC
786680091650
Product Length/Depth
12.76 in
Product Height
25.5 in
Product Width
21.81 in
Product Weight
603 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 A, B, 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
243H
Tap size
2 at -5% FCBN
Volt ampere rating
30 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature: Class I Division 2, Groups A–D protection with UL Listed certification. Business impact: enhances safety, simplifies regulatory compliance, and reduces downtime risk. Application: ideal for refineries, chemical plants, and mining facilities where hazardous atmospheres are present. Feature: Three-phase 30 kVA transformer with copper windings. Business impact: higher efficiency and lower copper losses translate to cooler operation and longer life. Application: powers critical motors and control circuits in manufacturing lines and process plants. Feature: Primary 480 V and secondary 208Y/120 V with 50/60 Hz compatibility. Business impact: seamless integration with standard industrial power rails and control systems, reducing installation time. Application: control panels, switchgear, and distribution enclosures in mixed-voltage facilities. Feature: Tap size 2 at -5% FCBN and Weathershield/indoor-outdoor enclosure. Business impact: voltage tuning for load stability and weather-resistant performance lowers maintenance costs. Application: substations and outdoor equipment rooms with variable supply conditions. Feature: Frame 243H and wiring connection 66A. Business impact: compact, serviceable footprint with straightforward wiring, enabling rapid commissioning. Application: retrofit projects and new builds in harsh environments where space and accessibility matter.
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FAQs
Installers should verify Class I Division 2 compliance, secure the NEMA 3R indoor-outdoor enclosure, and maintain proper clearances per electrical codes. The transformer uses a 66A wiring connection and offers -5% taps for voltage adjustment, enabling stable operation across fluctuating loads. Mounting should accommodate accessibility for maintenance and future inspections.
The unit is a three-phase 30 kVA transformer with a 480 V primary and 208Y/120 V secondary. It operates at 50/60 Hz and uses copper windings for efficient energy transfer. Taps are available at -5% FCBN to fine-tune output, and the enclosure is rated for indoor-outdoor use with a 115 °C temperature rise.
Yes. The Z48G28T30CU features an indoor-outdoor rating with a NEMA 3R enclosure and Weathershield design, allowing installation in exposed outdoor locations or protected indoor spaces. This versatility supports a wide range of hazardous-location applications while maintaining reliability and safety.
The transformer is UL Listed and meets Class I, Division 2, Groups A–D compliance requirements. This combination ensures safety in hazardous environments and aligns with regulatory expectations for electrical equipment in industrial facilities.
Warranty terms follow Eaton’s policy: one year from installation or eighteen months from shipment, whichever comes first. Technical support and documentation are available, including datasheets and specification sheets, to assist with installation, testing, and ongoing maintenance.