Eaton S20L11S25S64X General Purpose Transformer - NEMA4X
Part Number: S20L11S25S64X
Quick Summary
Eaton S20L11S25S64X is a general-purpose encapsulated transformer ideal for indoor and outdoor power distribution. Facility teams often wrestle with rugged enclosures, voltage variability, and maintenance challenges in demanding environments. Certifications are available as noted by the manufacturer; confirm CE, IP, or SIL status with Eaton, while the enclosure adherence to NEMA 4X-grade protection supports harsh conditions. With a 25 kVA rating and 60 Hz single-phase operation, this transformer delivers reliable performance, compact footprint, and ease of integration into existing Eaton catalogues and control-system architectures. This combination translates into predictable panel loading, reduced risk, and lower total cost of ownership for industrial facilities.
Product Information
Extended Description
S20L11S25S64X Eaton: Eaton, general purpose encapsulated transformer, ep single-phase 240 x 480v 2 at -5% fcbn x 4 at -2.5% fcbn 120/240v 115°c aluminum windings 1824x 23a indoor-outdoor 60 hz nema 4x
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20L11S25S64X
UPC
786680116469
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
0.001 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
Contact Manufacturer
Catalog Notes
NEMA 4X Grade 316 stainless steel enclosure.
Coil material
Aluminum
Design
EP
Enclosure
NEMA 4X
Frame
1824X
Tap size
2 at -5% FCBN x 4 at -2.5% FCBN
Type
General-purpose encapsulated transformer
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20L11S25S64X
Selling Policy 25-000 - Distribution and Control Products and Services
Rugged NEMA 4X enclosure with 316 stainless steel construction protects against corrosion and weather exposure, reducing maintenance intervals and extending service life for outdoor installations. This enclosure design translates to lower downtime and greater system availability in harsh environments, especially in outdoor substations or washdown areas where reliability matters. Encapsulated construction with aluminum windings delivers a lightweight, durable solution that simplifies handling during installation and lowers transport costs while maintaining robust electrical performance. The epoxy encapsulation also minimizes dust ingress and moisture intrusion, supporting consistent voltage accuracy and long-term reliability in demanding facilities. A precise tap-changing scheme of 2 at -5% and 4 at -2.5% FCBN enables fine voltage regulation, improving load stability and reducing equipment stress in fluctuating supply conditions. Coupled with 60 Hz single-phase operation and 25 kVA rating, it suits machine controls, panel feeders, and distributed power circuits with confidence. The 14.12 in depth, 16.35 in width, and 23.31 in height footprint, plus 1824X frame, deliver a compact, mountable solution for crowded electrical rooms, while the Indoor-Outdoor weathershield supports versatile placement. A one-year warranty (or eighteen months from shipment) provides procurement confidence and a clear maintenance roadmap for projects and asset management teams.
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FAQs
Plan for the compact footprint (14.12 in L x 16.35 in W x 23.31 in H) and the 1824X frame. Install in a protected location or NEMA 4X-rated enclosure as specified; ensure clearance for ventilation and taps, and provide access for voltage tap adjustments (2 at -5% and 4 at -2.5% FCBN). Mounting should follow manufacturer guidelines and allow service access.
The transformer delivers 25 kVA with 240/480 V primary and 120/240 V secondary at 60 Hz, single-phase. Its voltage taps (-5% and -2.5%) support regulation under supply variability. The temperature rise of 115 °C informs ambient constraints and cooling strategies. This configuration suits panel feeders and control circuits requiring stable output with modest space impact.
Yes, the S20L11S25S64X is designed for indoor-outdoor use with a NEMA 4X enclosure and 316 stainless steel construction per catalog notes. Weathershield supports outdoor exposure, and the enclosure protects against dust, moisture, and corrosion, enabling reliable operation in harsh environments without frequent enclosure maintenance.
Certifications are listed as 'Contact Manufacturer' for this model. For CE, IP ratings, or SIL confirmations, consult Eaton’s datasheets or product support to obtain the current certification scope and alignment with your facility’s regulatory requirements.
The unit includes a one-year warranty (or eighteen months from shipment) and an encapsulated design that minimizes dust ingress and water exposure, reducing maintenance needs. The 25 kVA rating supports sustained loads in control panels, improving asset utilization and potentially lowering downtime-related costs in production environments.