Eaton S25N27S05 General Purpose Transformer - Indoor-Outdoor
Part Number: S25N27S05
Quick Summary
Eaton S25N27S05 general purpose encapsulated transformer reliably powers control panels and equipment in industrial environments. Engineers often contend with tight spaces, insulation risk, and variable ambient conditions, and need a durable, easy-to-install solution. Certifications vary by region; consult Eaton for CE, IP, or SIL ratings applicable to your site, and review the one-year warranty noted in policy 25-000. With a 5 kVA rating, indoor-outdoor capability, and a compact EP-encapsulated design, it simplifies installation, reduces space cost, and supports reliable power distribution in automation environments. This page highlights 60 Hz single-phase operation, aluminum windings, and rugged enclosure suitability for industrial control panels and distribution boards.
Product Information
Extended Description
S25N27S05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, 177, 60 Hz, single-phase, 220 V, 277 V, None, 115 °C rise, 5 KVA, indoor-outdoor, 519AA
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S25N27S05
UPC
786680112355
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
139 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
Coil material
Aluminum
Design
EP
Frame
177
Tap size
None
Type
General-purpose encapsulated transformer
Wiring connection
519AA
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
220 V
Secondary Voltage
277 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Encapsulated EP aluminum design protects windings from dust, moisture, and vibration, reducing insulation failures and unplanned downtime for your manufacturing lines. The result is higher overall equipment effectiveness and lower maintenance costs in harsh environments. The 5 kVA rating at 60 Hz with a 220 V primary and 277 V secondary ensures stable voltage delivery to motors, sensors, and lighting, improving start-up reliability and process consistency in machine tools, conveyors, and control cabinets. Indoor-outdoor weather protection enables flexible siting, minimizing placement constraints while meeting safety and space planning requirements in indoor facilities and outdoor substations. The 519AA wiring connection offers straightforward electrical installation with minimal field wiring complexity, reducing commissioning time and wiring errors during panel builds. Dimensions and weight are suitable for robust mounting in wall- or rack-mounted layouts, supporting scalable automation architectures and simplified service access. Warranty per Eaton policy 25-000 provides a clear, standard coverage window to reduce ownership risk and support planning in maintenance cycles.
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FAQs
The S25N27S05 uses the 519AA wiring connection and is designed for straightforward panel installations. With a compact footprint of 9.89 in L × 16 in H × 10.38 in W and a 139 lb weight, it is suitable for wall or cabinet mounting in industrial control panels. No taps are provided, simplifying wiring and reducing configuration errors during installation.
This transformer is a single-phase unit rated for 60 Hz operation with a primary voltage of 220 V and a secondary voltage of 277 V. It provides a 5 kVA VA rating and uses aluminum windings in an EP encapsulated frame (Frame 177). It carries an 115 °C rise rating and is intended for indoor-outdoor use.
Yes. The S25N27S05 is built for control panels and automation systems, offering robust encapsulation, aluminum windings, and a compact footprint. Its indoor-outdoor rating and 5 kVA capacity support reliable power conversion for motors, sensors, and drives in factory environments, while simplifying installation and reducing maintenance needs.
Certifications for this model are region-specific; the data lists Certifications as Contact Manufacturer. For worldwide deployments, confirm CE, IP, and SIL ratings with Eaton or your local distributor to ensure regulatory compliance for your facility and project specification.
The transformer is covered under Eaton Selling Policy 25-000, offering a one-year warranty from the date of installation or eighteen months from shipment, whichever occurs first. This provides a clear period for post-sale support, facilitating maintenance planning and asset lifecycle management.