Eaton Z48M28T45CU Hazardous Transformer - UL Listed
Part Number: Z48M28T45CU
Quick Summary
Eaton hazardous location transformer powers critical equipment in Class I Division 2 environments, delivering safe, reliable power to industrial systems. Maintenance downtime and regulatory risk are minimized by a rugged encapsulated design that seals windings and reduces exposure to contaminants. It carries UL Listed certification, Class I Division 2 hazardous location rating, and a NEMA 3R enclosure for indoor-outdoor service. Designed around a 45 kVA capacity with copper windings and a 480 V primary feeding 208Y/120 V secondary, it offers voltage-tap flexibility and straightforward installation—delivering steady performance and helping optimize total cost of ownership. For engineers, the combination of adjustable taps, robust enclosure, and vendor support translates to predictable regulation, easier spare parts planning, and reduced field rework.
Product Information
Extended Description
Z48M28T45CU Eaton: Class 1 Division 2 Groups C and D, Hazardous Location Transformer, EPTZ, Three-phase, Primary Voltage: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 115°C, 45 kVA, Cu windings, Frame: 244H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48M28T45CU
UPC
786680099724
Product Length/Depth
14.66 in
Product Height
25.5 in
Product Width
24.81 in
Product Weight
818 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
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
244H
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Volt ampere rating
45 kVA
Weathershield
Indoor-Outdoor
Wiring connection
84A
Feature: Encapsulated hazardous location design with copper windings and Class I Division 2 rating → Business Impact: Enhanced safety, regulatory compliance, and reduced contamination risk in demanding environments → Application: Chemical plants, refineries, and offshore facilities requiring robust protection. Feature: Three-phase 45 kVA transformer with 480 V primary and 208Y/120 V secondary → Business Impact: Streamlined integration with common plant electrical distributions and reliable power delivery → Application: Plant substations and equipment banks needing stable secondary voltages. Feature: Tap changers with 2 taps at +2.5%FCAN and 4 taps at -2.5%FCBN → Business Impact: Precise voltage regulation under load, minimizing equipment stress and outages → Application: Variable-load scenarios where voltage stability matters. Feature: NEMA 3R enclosure suitable for indoor-outdoor service → Business Impact: Flexible installation options, reduced weather-related risk, and easier maintenance access → Application: Outdoor racks, protected enclosures, and mixed indoor-outdoor installations. Feature: UL Listed certification and hazardous location protection → Business Impact: Simplified procurement, faster compliance checks, and lower total cost of ownership → Application: Industrial procurement where regulatory adherence is mandatory. Feature: 115°C rise and robust 244H frame → Business Impact: Reliable thermal performance in hot environments, extended service life, and predictable downtime → Application: High-temperature plants and continuous-operation facilities.
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FAQs
Install with proper clearances for a 45 kVA, three-phase unit, connect 480 V primary to the incoming supply and 208Y/120 V secondary to the load, and use the 84A wiring connection guidelines. Ensure the enclosure remains sealed per NEMA 3R requirements and verify taps are set for the expected load, with adherence to all relevant electrical codes.
Verify 45 kVA rating, 480 V primary, 208Y/120 V secondary, copper windings, 50/60 Hz, three-phase configuration, and the available taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN. Confirm enclosure rating (NEMA 3R) and hazardous location classification Class I Division 2, Groups C and D to ensure proper integration.
Yes, the Z48M28T45CU is designed for indoor-outdoor service with a NEMA 3R enclosure and Weathershield capability, enabling reliable operation in harsh environments. Its encapsulated copper-windings design provides enhanced protection against contaminants, while the UL Listed certification supports regulatory compliance in hazardous locations.
The unit is covered by Eaton’s standard warranty policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first. Additionally, technicians provide ongoing support for installation, maintenance planning, and field troubleshooting to maximize uptime and total cost of ownership.
Utilize the two +2.5% FCAN and four -2.5% FCBN taps to fine-tune voltage under variable loads, and ensure copper windings are correctly connected to minimize resistive losses. Adhere to proper heat management to sustain the 115°C rise rating, and plan for periodic inspection of the encapsulated windings to prevent insulation degradation.