Eaton S48N29S25 Transformer - UL Listed 25 kVA
Part Number: S48N29S25
Quick Summary
Eaton S48N29S25 General Purpose Encapsulated Transformer powers control panels and industrial equipment safely and efficiently. Specifically designed to minimize moisture ingress and field failures, it alleviates common maintenance headaches for plant engineers. UL Listed safety certification, a rugged NEMA 3R enclosure, and 60 Hz single-phase operation ensure reliable performance in both indoor and outdoor settings. With a 25 kVA rating and a 480 V primary to 208 V secondary, it simplifies panel design while supporting scalable power distribution. The aluminum wound, electrostatically shielded construction delivers efficiency and EMI protection, making it well suited for modern automation, energy management, and control-system upgrades.
Product Information
Extended Description
S48N29S25 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 182, 60 Hz, single-phase, 480 V, 208 V, NONE, 115 °C rise, 25 KVA, indoor-outdoor, 536B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48N29S25
UPC
786680094255
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
383 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
EP
Enclosure
NEMA 3R
Frame
182
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
536B
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
208 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Encapsulated, general-purpose EP design with aluminum windings provides robust protection against moisture, dust, and vibration, reducing maintenance cycles and field failures. This directly improves uptime for critical automation systems and lowers lifecycle costs in control cabinets and distribution centers. The electrostatic shielding minimizes EMI, supporting reliable performance in environments with nearby motors and drives, while enabling easier compliance with electromagnetic compatibility standards. The NEMA 3R enclosure and Weathershield capability allow indoor-outdoor installation, eliminating the need for separate weatherproof housings in many applications such as outdoor substations, loading docks, and outdoor control panels. A 25 kVA rating with 480 V to 208 V transformation supports a wide range of automation loads, minimizing the number of parallel transformers required. The 536B wiring connection simplifies field terminations and reduces commissioning time, while UL Listed certification ensures adherence to electrical safety codes, aiding procurement and audit readiness. Dimensions of 14.12 in length, 16.35 in width, and 23.31 in height, with a weight of 383 lb, provide a compact yet robust footprint suitable for tighter panel spaces and skid-mounted installations in manufacturing lines and distribution centers.
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FAQs
Yes. The transformer uses a NEMA 3R enclosure and an indoor-outdoor weathershield, plus UL Listed safety certification, making it appropriate for outdoor panels, switchgear rooms, and load centers. Its 25 kVA rating supports a range of automation loads while maintaining service reliability in varying weather conditions.
The unit features a 480 V primary and a 208 V secondary, operating at 60 Hz in a single-phase configuration. With a 25 kVA rating, it supports standard plant distribution and control circuits, enabling straightforward integration with common utility feeds and downstream equipment while maintaining voltage regulation.
Encapsulation isolates windings from moisture, dust, and mechanical shocks, while electrostatic shielding reduces EMI. This combination yields higher reliability in harsh industrial environments, fewer field failures, and longer maintenance intervals. For control panels, it translates to easier installation, improved uptime, and reduced risk during startup transients and load changes.
It carries UL Listed safety certification and is housed in a NEMA 3R enclosure for indoor-outdoor use. It operates at 60 Hz, single-phase, with a 25 kVA rating, aligning with common electrical safety and distribution standards for industrial equipment. While SIL/CE specifics aren’t listed here, UL compliance supports regulatory procurement and audits.
The encapsulated design and rugged enclosure minimize environmental ingress and wear, reducing routine maintenance needs and downtime. A 25 kVA rating from 480 V to 208 V supports consolidation of loads, simplifying spare parts and stocking (536B terminations). Overall, expect improved uptime, lower maintenance costs, and a quicker time-to-value in control systems and manufacturing lines.