Eaton Y72M34T25X General-Purpose Transformer - UL Listed
Part Number: Y72M34T25X
Quick Summary
General-purpose encapsulated transformer for reliable three-phase power distribution in industrial facilities. Engineered to reduce downtime and simplify install in space-constrained environments, it addresses common site challenges such as weather exposure and enclosure integrity. UL Listed certification and a NEMA 3R enclosure provide safety and weather resistance, while the aluminum-wound design supports durable operation in varied environments. This Eaton solution integrates smoothly with power management and distribution systems, delivering a scalable 25 kVA capacity and 200 V to 400Y/231 V outputs for motor control centers, control panels, and equipment enclosures.
Product Information
Extended Description
Y72M34T25X Eaton: Eaton General purpose encapsulated transformer, EPT, aluminum, NEMA 3R, 243, 50-60 Hz, three-phase, 200 V, 400Y/231 V, 2 at +2.5% FCAN, 4 at -2.5% FCBN, 115 °C rise, 25 KVA, indoor-outdoor, 48C
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
Y72M34T25X
UPC
786680099496
Product Length/Depth
10.52 in
Product Height
17.38 in
Product Width
20 in
Product Weight
511 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
Coil material
Aluminum
Design
EPT
Enclosure
NEMA 3R
Frame
243
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
48C
Frequency rating
50-60 Hz
Phase
Three-phase
Primary voltage
200 V
Secondary Voltage
400Y/231 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Feature: Encapsulation and aluminum windings give a compact, rugged build that contributes to durability and reduced oil leakage risk. Business Impact: Lower maintenance costs and extended service life in harsh environments. Application: Suitable for outdoor substations, outdoor buildings, and industrial enclosures where reliability is critical. Feature: NEMA 3R enclosure and indoor-outdoor capability provide weather resistance and protection from dust. Business Impact: Improved uptime and compliance in demanding facilities. Application: Outdoor equipment rooms, loading docks, and exposed plant areas. Feature: 25 kVA rating with 200 V primary and 400Y/231 V secondary for flexible power distribution. Business Impact: Supports a wide range of loads with efficient voltage transformation and easy downstream compatibility. Application: Motor control centers, panel boards, and process equipment. Feature: Tap changer options 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN enable voltage regulation under varying load. Business Impact: Maintains downstream voltage within tolerance, reducing nuisance tripping and equipment stress. Application: Plants with imperfect upstream supply or fluctuating demand. Feature: 3-phase, 50-60 Hz operation with 115 °C rise and 511 lb weight. Business Impact: Standardized compatibility with common industrial power systems and predictable installation planning. Application: Manufacturing lines, warehousing, and facilities with mixed electrical infrastructure. Feature: Compliance and warranty support including UL Listed status and Eaton 25-000 policy. Business Impact: Risk mitigation, clear support terms, and predictable lifecycle planning. Application: Procurement, compliance audits, and long-term maintenance planning.
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FAQs
Plan for a 511 lb unit with approximate dimensions of 10.52 in L, 17.38 in H, 20 in W. Ensure mounting on a stable surface with adequate clearance for ventilation, access to connections, and compliance with indoor-outdoor installation due to the NEMA 3R enclosure. Factor in space for taps and wiring conductors and consider proximity to distribution panels.
Primary voltage is 200 V, secondary is 400Y/231 V. The unit provides taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN, enabling voltage regulation to match downstream loads. This helps stabilize downstream equipment voltage during upstream fluctuations, reducing nuisance trips and improving performance.
Yes. With a 25 kVA rating, three-phase operation, aluminum windings, a rugged NEMA 3R enclosure, and indoor-outdoor capability, it fits data centers, manufacturing lines, and outdoor equipment enclosures where durable power transformation is needed. UL Listed protection adds confidence for critical electrical infrastructure in varied environments.
The transformer is UL Listed and housed in a NEMA 3R enclosure suitable for indoor-outdoor service. It operates at 50-60 Hz with a 115 °C rise and has an indoor-outdoor Weathershield rating. These attributes support safety compliance, reliable operation in mixed environments, and easier regulatory validation during procurement.
Consider the 25 kVA rating, aluminum winding construction, and the 511 lb weight when planning handling and service. The warranty policy (Eaton Selling Policy 25-000) provides a 1-year warranty from installation or 18 months from shipment. Regular inspection of connections, enclosure integrity, and temperature rise performance helps optimize uptime and ownership cost.