Eaton Z48G28B30 Hazardous Location Transformer - UL Listed
Part Number: Z48G28B30
Quick Summary
Hazardous Location Transformer delivers safe, code-compliant power conversion for Class 1 Division 2 environments used in industrial automation. Facilities struggle with safety, regulatory compliance, and downtime when sourcing certified transformers for hazardous areas. UL Listed certification, Class 1 Division 2 hazard rating, and a rugged NEMA 3R enclosure support long-term reliability. The Z48G28B30 model provides three-phase 30 kVA capacity with aluminum windings and an indoor-outdoor design for versatile installations. This translates to reduced rework, easier maintenance, and a smoother path to compliant power at the site. Engineers rely on proven industrial power distribution hardware like this Eaton transformer to reduce total cost of ownership in automation facilities.
Product Information
Extended Description
Z48G28B30 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, 80°C, 30 kVA, Aluminium windings, Frame: 244H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28B30
UPC
786680095979
Product Length/Depth
12.76 in
Product Height
26.58 in
Product Width
25.15 in
Product Weight
778 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
Aluminum
Frequency rating
50/60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
Design
EPTZ
Enclosure
NEMA 3R
Frame
244H
Tap size
2 at -5% FCBN
Volt ampere rating
30 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature: Encapsulated design for hazardous locations with Class 1 Division 2 rating. Benefit: Enhanced protection against dust, moisture and arc faults, reducing risk and extending service life in demanding environments. Application: Chemical processing, oil and gas facilities, and mining where robust hazardous-area transformers are required. Feature: Three-phase 30 kVA capacity with 480 V primary and 208Y/120 V secondary. Benefit: Consistent voltage regulation and ample headroom for motor drives and control panels, reducing voltage drop and improving equipment uptime. Application: Industrial automation panels and process control systems in plants with strict load requirements. Feature: Aluminum windings and EPTZ design. Benefit: Better heat dissipation and resistance to corrosion, improving efficiency and service life in rugged installations. Application: Harsh environments common in refineries and chemical plants. Feature: Indoor-Outdoor enclosure (NEMA 3R) and UL Listed. Benefit: Flexible placement options, weather protection, and verified compliance with safety standards. Application: Outdoor transformer pads, under-canopies, or indoor electrical rooms with humid or dusty conditions. Feature: Taps at -5% (2 taps) and 66A wiring connection. Benefit: Precise voltage tuning and straightforward wiring integration with existing power systems. Application: Plants requiring voltage optimization and compatible field connections for reliable operation. Feature: Heavy-frame 244H and 778 lb mass. Benefit: Stable mounting and mechanical robustness for retrofit or new-install projects with minimal vibration. Application: Large electrical rooms and equipment pads in industrial facilities. Insight: Real-world installations benefit from combining NEMA-rated protection with precise voltage tap functionality, yielding fewer field adjustments after commissioning and lower maintenance costs over the life of the asset.
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FAQs
Plan for a solid mounting surface compatible with the 244H frame and 778 lb weight. Use the NEMA 3R enclosure rating to protect against moisture and dust in indoor-outdoor locations. Ensure proper wiring with the 66A connection and account for the -5% taps. Maintain clearances, secure the transformer with appropriate hardware, and follow all local hazardous-location codes during installation.
The unit delivers 30 kVA with a 480 V primary and 208Y/120 V secondary, 50/60 Hz, three-phase. The aluminum windings enhance thermal performance, and the -5% taps allow voltage tuning to match system voltage. This configuration supports motor drives and control panels with reduced voltage drop and stable voltage under typical industrial loads.
Yes. It is designed for Class 1 Division 2, Groups C and D environments, with encapsulated construction and a rugged NEMA 3R enclosure. UL Listed certification further confirms compliance with hazardous-location safety standards, making it a dependable choice for oil and gas, petrochemical, and chemical processing facilities.
The transformer is UL Listed and rated for Class 1 Division 2 hazardous locations, with a NEMA 3R enclosure for indoor-outdoor use. These certifications ensure safety, regulatory compliance, and suitability for harsh environments, reducing project risk and facilitating procurement for regulated industrial facilities.
With a robust encapsulated design and aluminum windings, maintenance needs are minimized, contributing to lower lifecycle costs. The unit carries a one-year warranty from installation or eighteen months from shipment, whichever comes first. Long-term reliability translates to fewer field repairs, reduced downtime, and improved total cost of ownership for automation installations.