Eaton S27D12P01P Transformer - 1 kVA Indoor-Outdoor
Part Number: S27D12P01P
Quick Summary
S27D12P01P transformer provides reliable low-voltage isolation for 120 V lighting and control circuits in industrial facilities. Engineers often face space constraints and voltage fluctuations when integrating multiple power sources in control panels. This encapsulated design uses copper windings and EP enclosure for rugged indoor-outdoor service with 60 Hz operation, a 1 kVA rating, and a 277 V to 120 V output. Certification details should be confirmed with Eaton, with typical industry practice calling for CE and UL verification where applicable; IP enclosure ratings depend on the installation. With its compact footprint and robust construction, it supports easier installation and predictable performance, delivering long-term value for panel builders and systems integrators.
Product Information
Extended Description
S27D12P01P Eaton: Eaton General purpose encapsulated transformer, EP, copper, 67P, 60 Hz, single-phase, 277 V, 120 V, 2 at +2.5% FCAN 2 at -2.5% FCBN, 115 °C rise, 1 KVA, indoor-outdoor, 16AK
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27D12P01P
UPC
786680112225
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
32 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
Copper
Design
EP
Frame
67P
Tap size
2 at +2.5% FCAN 2 at -2.5% FCBN
Type
General-purpose encapsulated transformer
Wiring connection
16AK
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
1 kVA
Weathershield
Indoor-Outdoor
Encapsulated copper-wound construction provides rugged protection against dust, moisture, and temperature swings. This design reduces insulation failures and maintenance costs, improving uptime in demanding environments. It’s well suited for control panels and outdoor enclosures where reliable 277 V to 120 V power is required. 1 kVA, 60 Hz, single-phase rating delivers predictable load handling. The impact is a stable voltage supply for a wide range of control gear, reducing nuisance tripping and equipment wear. This makes it a practical fit for machine tools, motor starters, and panel boards in manufacturing lines. Tap changer 2 at +2.5% and 2 at -2.5% (FCAN/FCBN) allows on-site voltage compensation. Result: improved performance of voltage-sensitive devices and reduced need for external boosters. Application: sensors, relays, and PLCs in variable supply environments. 67P frame with 16AK wiring and 32 lb weight enables easier installation and panel mounting. The business impact: faster commissioning and simplified field wiring, lowering installation costs. Application: standardization in control cabinets and small automation enclosures. 115 °C rise rating indicates solid thermal performance under load. This reduces derating risk and supports continuous operation in moderate ambient conditions. Application: continuous-duty control circuits in industrial settings. Indoor-Outdoor weather shield offers flexibility across indoor and outdoor installations. The impact: reduces need for separate enclosures and minimizes space requirements in compact plant layouts. Application: process lines, conveyors, and outdoor equipment enclosures.
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FAQs
Yes. The S27D12P01P is a single-phase transformer rated for 277 V primary and 120 V secondary, designed to slot into standard panel layouts. Its 1 kVA rating supports typical control circuits without oversized cabling. Plan for proper mounting in an enclosure and follow local electrical codes during wiring and terminations.
Key specs include 1 kVA VA rating, 60 Hz frequency, single-phase, primary 277 V, secondary 120 V, copper windings, EP encapsulation, 2 taps at +2.5% FCAN and 2 taps at -2.5% FCBN, and an 115 °C rise. The device is indoor-outdoor rated with a 67P frame and 16AK wiring.
The S27D12P01P features indoor-outdoor (weathershield) suitability, enabling use in exposed or partially sheltered environments. While it supports outdoor installation, confirm enclosure integrity and ensure installation in accordance with environmental conditions and local codes to protect windings and connections.
Certifications for this product are listed as 'Contact Manufacturer' in the data, so confirm current CE, UL, IP ratings, and regional compliance with Eaton. Coordinate with Eaton’s technical support to align the transformer with your market’s safety and electrical standards before deployment.
Encapsulated copper-wound transformers reduce insulation failures and external wiring complexity, delivering lower maintenance and downtime. The 1 kVA rating supports stable loads for control equipment, while rugged construction and lower heat generation contribute to longer service life and reduced lifecycle costs in automation and process applications.