Eaton Z48G28E30CU Hazardous Location Transformer - Class I Div 2
Part Number: Z48G28E30CU
Quick Summary
Eaton Z48G28E30CU Hazardous Location Transformer is a rugged, three‑phase encapsulated transformer designed for Class I Division 2 environments. Plants often struggle with safety compliance, heat management, and downtime when powering control panels in classified spaces. UL Listed and Class I, Division 2 (Groups A–D) certified, with a NEMA 3R enclosure and copper windings, provide robust protection and reliability. Designed for indoor‑outdoor installation, it supports reliable power distribution in hazardous locations while offering a compact footprint and straightforward integration with standard low‑voltage panels.
Product Information
Extended Description
Z48G28E30CU Eaton: 30 kVA Class 1 Division 2 Transformer, 3PH, 480-208Y/120, shielded, Copper Windings, NEMA 3R Enclosure
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28E30CU
UPC
786680233098
Product Length/Depth
12.76 in
Product Height
25.5 in
Product Width
21.81 in
Product Weight
555 lb
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
kVA
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Area classification
Hazardous/Classified Locations
Design
EPTZ
Enclosure
NEMA 3R
Frame
243H
Insulation
180 °C
Tap size
2 at -5% FCBN
Volt ampere rating
30 kVA
Weathershield
Indoor-Outdoor
Wiring connection
59A
The encapsulated design for Class I Division 2 ensures enclosure integrity even in harsh environments, lowering ignition risk and simplifying compliance audits. This translates into fewer incident‑driven outages and safer panel installations in process areas and remote locations. Copper windings deliver low resistance and high thermal efficiency, producing stable voltage regulation under load and improving overall efficiency for critical motor drives and control circuits. In practice, this means steadier 480 V to 208Y/120 V conversions for sensitive electronics and reduced energy waste. The 30 kVA three‑phase rating supports scalable power for control panels and machinery, while the rugged NEMA 3R enclosure enables both indoor and outdoor installation, reducing the need for additional housing. A -5% FCBN tap change provides voltage regulation to minimize equipment stress and maintain performance under varying line conditions. UL Listing alongside Weathershield Indoor-Outdoor capabilities and a 59A wiring connection simplify compliance and field wiring, enabling straightforward integration with standard distribution gear. With a 115 °C rise and 180 °C insulation, this transformer balances thermal performance with long‑life durability in demanding environments.
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FAQs
Yes. The Z48G28E30CU is designed with a 480 V primary and 208Y/120 V secondary configuration, copper windings, and a -5% FCBN tap to support voltage regulation under load. It features a NEMA 3R enclosure and 59A wiring connections, enabling straightforward field wiring and safe installation in Class I Division 2 locations when installed per NEC and manufacturer guidelines.
Key specs include a 30 kVA rating, three‑phase configuration, 50/60 Hz operation, 480 V primary, 208Y/120 V secondary, copper windings, 180 °C insulation, and a 115 °C temperature rise. The enclosure is NEMA 3R with indoor‑outdoor suitability, supported by UL Listed certification and a -5% FCBN tap, ensuring stable voltage under varying load conditions.
Yes. Its Weathershield Indoor-Outdoor capability and NEMA 3R enclosure are designed for both indoor and outdoor applications. Combined with Class I Division 2 compliance and UL Listing, it is well suited for outdoor control panels in chemical plants, refineries, and other hazardous locations where reliable, safe power distribution is required.
The unit is UL Listed and rated for Class I Division 2, Groups A–D, with HazLoc area classification. These certifications verify safety and regulatory acceptance for hazardous environments, facilitating code compliance, insurance validation, and streamlined procurement for regulated facilities.
Copper windings offer higher efficiency and lower thermal losses, contributing to reduced energy costs and longer service life. The robust encapsulation, rugged enclosure, and minimal ongoing maintenance requirements translate to lower downtime and predictable performance in harsh locations, delivering a favorable return on investment over the transformer’s lifetime.