Eaton Z48G37T50 Hazardous Location Transformer - UL Listed
Part Number: Z48G37T50
Quick Summary
Z48G37T50 is an Eaton hazardous location encapsulated transformer designed for safe power isolation in Class I, Division 2 facilities. In hazardous environments, equipment upgrades can introduce ignition risks, downtime, and complex compliance tasks; this unit’s encapsulation and rugged enclosure help reduce those issues while simplifying maintenance. It carries UL Listed and CSA Certified safety assurances and a NEMA 3R enclosure suitable for indoor-outdoor service. With three-phase 50 kVA rating, 480 V primary and 380Y/220 V secondary, plus two -5% taps for voltage compensation, it adapts to varying supply conditions. Aluminum windings and FR245H insulation deliver durability under 60 Hz operation with a 115 °C rise. The result is safer, more reliable power distribution that supports steady uptime and easier procurement for regulated facilities.
Product Information
Extended Description
Z48G37T50 Eaton: Eaton Class 1 Div. 2 Groups A, B, C, and D Hazardous Location Transformer, EPTZ, Three-phase, Primary voltage: 480V, Taps: 2 at -5% FCBN, Secondary voltage: 380Y/220V, 115°C, 50 kVA, Aluminum windings, FR245H, 66A, Indoor-Outdoor, 60 Hz
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G37T50
UPC
786680108853
Product Length/Depth
15.68 in
Product Height
31.98 in
Product Width
46.23 in
Product Weight
1418 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 CSA Certified
Type
Class 1 Division 2 Groups A, B, C, & D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
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
245H
Tap size
2 at -5% FCBN
Volt ampere rating
50 kVA
Weathershield
Indoor-Outdoor
Wiring connection
66A
Feature encapsulated design for hazardous locations → reduces ignition risk and simplifies compliance → ideal for chemical plants, oil refineries, and other facilities with Class I Division 2 atmospheres. Feature 50 kVA rating with 480 V primary and 380Y/220 V secondary → supports standard plant distribution while enabling voltage compatibility across equipment; Application: substations and load centers in industrial plants. Feature two taps at -5% FCBN → enables voltage regulation to accommodate line drop and irregular supply; Application: critical machinery and motors with tight voltage tolerances. Feature aluminum windings with FR245H insulation → enhances thermal and mechanical durability for long service life in harsh environments; Application: outdoor or semi-protected spaces where weather and contaminants are a factor. Feature NEMA 3R enclosure and 60 Hz operation → provides reliable indoor-outdoor operation with corrosion resistance; Application: outdoor-mounted transformers near production lines. Certification and warranty features → UL Listed and CSA Certified ensure regulatory alignment and a one-year minimum Eaton warranty for installed equipment, reducing procurement risk and maintenance surprises.
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FAQs
Installations should follow the Class I Division 2 guidelines, ensuring proper clearance around the NEMA 3R enclosure, secure mounting to a rigid base, and suitable environmental protection from dust, moisture, and corrosives. Use approved connectors and verify grounding per local codes. The unit’s encapsulated design aids ignition protection, while the 60 Hz rating aligns with standard plant power systems.
Key specs include a 50 kVA VA rating, 480 V primary input, and 380Y/220 V secondary output, three-phase configuration, two taps at -5% FCBN, aluminum windings, and 115 °C temperature rise. The transformer is designed for 60 Hz operation and features a NEMA 3R enclosure for versatile indoor-outdoor use.
Yes. The Z48G37T50 uses a NEMA 3R enclosure rated for indoor-outdoor service, providing weather resistance and protection against dust and moisture. This makes it suitable for outdoor installations near production areas or in semi-protected outdoor locations within hazardous facilities.
The transformer is UL Listed and CSA Certified, signaling compliance with electrical safety standards and reliability for industrial procurement. These certifications reduce approval times, support regulatory alignment, and help ensure supplier accountability for hazardous-location equipment.
Eaton provides a warranty under policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning, reduces total cost of ownership, and ensures access to manufacturer support for component failures and performance concerns.