Eaton Z48G37T25 Hazardous location transformer - UL Listed
Part Number: Z48G37T25
Quick Summary
Eaton Hazardous location transformer safely steps down 480 V to 380Y/220 V for hazardous environments in industrial facilities. Operators often struggle with uptime and regulatory compliance in Class 1 Division 2 sites, where equipment must meet stringent safety standards. Key certifications include UL Listed and a rugged NEMA 3R enclosure, plus Weathershield indoor-outdoor capability to withstand harsh conditions. This model delivers reliable power conversion with aluminum windings, a 25 kVA rating, and a compact footprint, helping streamline maintenance planning and reduce total cost of ownership. For procurement leaders, it combines compliance with practical installation benefits and long-term reliability in demanding plant environments.
Product Information
Extended Description
Z48G37T25 Eaton: Class 1 Division 2 Groups C and D, Hazardous Location Transformer, EPTZ, Three-phase, Prim V: 480V, Taps: 2 at -5% FCBN, Sec V: 380Y/220V, 115°C, 25 kVA, Al windings, Frame: 243H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G37T25
UPC
786680091575
Product Length/Depth
12.76 in
Product Height
26.58 in
Product Width
25.15 in
Product Weight
571 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
380Y/220 V
Temperature rise
115 °C rise
Design
EPTZ
Enclosure
NEMA 3R
Frame
243H
Tap size
2 at -5% FCBN
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature: Class 1 Division 2 hazardous location design with encapsulated construction. Business Impact: Reduces arc-flash risk and enables safe operation in high-risk zones, lowering installation and maintenance costs. Application: Chemical plants and oil & gas facilities where hazardous atmosphere protection is mandatory. Feature: Three-phase operation with 480 V primary and 380Y/220 V secondary, 50/60 Hz, and 25 kVA rating. Business Impact: Seamless integration with common distribution systems, providing robust power conversion for critical loads while allowing voltage flexibility through the -5% FCBN taps. Application: Process lines and motor drives requiring reliable stepped-down power in demanding facilities.Feature: Aluminum windings and sturdy 243H frame. Business Impact: Enhanced thermal performance, reduced weight for handling, and long-term durability under frequent start/stop cycles. Application: Outdoor substations and load centers where heat dissipation and lifecycle costs matter.Feature: NEMA 3R enclosure with Weathershield indoor-outdoor capability. Business Impact: Weatherproof protection enables installation in exposed or semi-enclosed spaces, minimizing spare part needs and maintenance disruptions. Application: Outdoor installation near docks, refineries, or remote plants where environmental exposure is a factor.Feature: Heavy-duty specifications including 12.76 in length, 25.15 in width, 26.58 in height, and 571 lb weight. Business Impact: Clear installation planning and mounting considerations, reducing field surprises and support calls. Application: Retrofit projects and new builds where space and rigging considerations influence project timelines.Feature: UL Listed certification and a rugged enclosure standard (NEMA 3R). Business Impact: Streamlined regulatory approvals and safer, compliant equipment procurement. Application: Any procurement process requiring certified equipment for hazardous locations.
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FAQs
Install the Z48G37T25 as a three-phase transformer with a 480 V primary and 380Y/220 V secondary. Use appropriate hardware to support the 571 lb unit and ensure mounting on a stable surface. The NEMA 3R enclosure and indoor-outdoor capability simplify placement near exterior walls or covered outdoor spaces while maintaining compliance with Class 1 Division 2 requirements.
The transformer features a 25 kVA rating with a primary 480 V and secondary 380Y/220 V, suitable for steady load conditions. It includes two taps at -5% FCBN to accommodate minor voltage variations. With 50/60 Hz operation and aluminum windings, the unit maintains efficient energy transfer and reliable performance in variable line conditions.
Yes. The Z48G37T25 is expressly designed for hazardous locations (Class 1 Division 2, Groups C and D) with encapsulated construction, UL Listing, and a rugged enclosure. Its indoor-outdoor capability and weather-resilient features make it well-suited for refinery pump houses, chemical processing units, and other high-risk environments requiring dependable power conversion.
This transformer is UL Listed and designed with a NEMA 3R enclosure, offering recognized safety and environmental protection. The Class 1 Division 2 rating supports regulatory approvals for hazardous-area installations. These certifications accelerate procurement approvals and reduce field de-risking during commissioning.
Eaton’s warranty policy provides one year from installation or eighteen months from shipment, whichever occurs first. The robust aluminum windings, durable enclosure, and reliable cooling enhance lifecycle performance, reducing maintenance frequency and spare part costs. Given the transformer’s rugged design, TCO is improved for facilities with ongoing demand in challenging environments.