Eaton S27N27S02 General-Purpose Transformer - UL Listed
Part Number: S27N27S02
Quick Summary
The Eaton S27N27S02 is a general-purpose encapsulated transformer for indoor and outdoor power distribution cabinets. Engineers often struggle with reliable isolation, weather resistance, and space constraints in compact enclosures. UL Listed safety approval, NEMA 3R enclosure for indoor-outdoor use, and 60 Hz single-phase performance ensure code-compliant operation. Engineered for 277 V service with a 2 kVA rating, it delivers dependable, scalable power for industrial panels, reducing downtime and lifecycle costs. This combination supports faster commissioning, easier maintenance, and compliance with industry norms, helping procurement teams reduce risk and total cost of ownership. Its epoxy encapsulation minimizes moisture migration and vibration, delivering long-term reliability in harsh environments.
Product Information
Extended Description
S27N27S02 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 68, 60 Hz, single-phase, 277 V, 277 V, NONE, 115 °C rise, 2 KVA, indoor-outdoor, 511AM
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N27S02
UPC
786680065040
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
44 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
68
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
511AM
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
277 V
Temperature rise
115 °C rise
Volt ampere rating
2 kVA
Weathershield
Indoor-Outdoor
Feature: Encapsulated EP design with aluminum coil. Business Impact: Reduces moisture intrusion, corrosion risks, and weight, enabling safer handling and longer service life. Application: Ideal for compact control panels in moist or dusty environments. Feature: NEMA 3R indoor-outdoor enclosure with Weathershield capability. Business Impact: Provides rugged weather resistance, lowers maintenance frequency, and extends uptime for outdoor installations. Application: Outdoor switchgear, building automation enclosures, and exposed equipment rooms. Feature: 2 kVA, 277 V to 277 V, single-phase, 60 Hz. Business Impact: Delivers suitable power for standard control circuits with predictable heat rejection and simplified wiring, reducing panel redesigns. Application: Industrial automation, HVAC controls, lighting starters, and distribution boards. Feature: UL Listed certification. Business Impact: Enhances regulatory compliance, supplier due diligence, and risk mitigation for audits. Application: Any regulated facility pursuing NEC/IEEE standards. Feature: Aluminum coil and EP encapsulation. Business Impact: Improves thermal performance, oxidation resistance, and durability while keeping weight manageable. Application: Environments with vibration, dust, and moderate moisture. Feature: Exact dimensions and weight (6.52 in depth, 6.37 in width, 13.41 in height, 44 lb). Business Impact: Simplifies space planning and mounting in restricted panels or racks. Application: Retrofit projects and new installations with tight footprint constraints. Feature: 60 Hz, single-phase operation. Business Impact: Ensures compatibility with common facility power systems, reducing integration risk. Application: Control panels, distribution enclosures, and lighting control systems. Feature: Wiring connection 511AM. Business Impact: Provides a reliable, industry-standard connection method to minimize wiring errors during installation. Application: Panel assemblies and machine control circuits. Warranty and support: One-year warranty from installation or eighteen months from shipment. Business Impact: Improves total cost of ownership and supplier support confidence for ongoing maintenance planning. Application: Long-term industrial deployments and service contracts.
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FAQs
For installation, mount the transformer within a standard enclosure, ensure proper clearance for cooling, and connect to the 511AM wiring terminals as specified. Its 6.52 inch depth and 6.37 inch width fit compact panels, while the 44 lb weight facilitates handling. Verify a 277 V primary/secondary supply and secure all connections per NEC guidelines to achieve safe, reliable operation.
This transformer provides 2 kVA at 60 Hz in a single-phase configuration, with 277 V input and output on both sides. It is built with an aluminum coil and a general-purpose encapsulation (EP). The device features a UL Listed certification and a NEMA 3R enclosure suitable for indoor-outdoor use, ensuring robust performance in varied environments.
Yes. The S27N27S02 is designed with a NEMA 3R enclosure and Weathershield capability, making it appropriate for indoor-outdoor installations. Its epoxy encapsulation and aluminum winding protect against moisture and vibration, reducing maintenance cycles and extending service life in outdoor panels, meter enclosures, or exposed control rooms.
The transformer is UL Listed, which confirms compliance with safety and performance standards. This certification simplifies procurement, supports NEC and international electrical code requirements, and lowers supplier risk during audits. It also provides assurance to engineers and maintenance teams about reliability in critical power circuits.
Expect improved uptime due to rugged, moisture-resistant encapsulation and a durable NEMA 3R enclosure, which reduces maintenance frequency. The 2 kVA rating supports scalable control systems with fewer transformers required, while UL Listed certification accelerates compliance processes. Overall, reduced downtime, simplified installation, and longer service life contribute to lower total cost of ownership.