Eaton S27N04P01P General-Purpose Transformer - UL Listed
Part Number: S27N04P01P
Quick Summary
Eaton S27N04P01P general-purpose encapsulated transformer delivers reliable 1 kVA isolation and voltage conversion for control panels and small industrial equipment. This design minimizes field service needs by combining a rugged aluminum-wound core with a compact, weather-protective NEMA 3R enclosure. UL Listed certification supports safety and compliance in harsh environments, while the indoor-outdoor capability expands installation options across equipment rooms and exterior panels. The unit steps 277 V down to 12/24 V for control circuits, lighting, and automation devices, reducing wiring complexity and spare parts requirements. For engineers and procurement teams, the S27N04P01P offers predictable performance, straightforward installation, and seamless compatibility with Eaton's power-management ecosystem.
Product Information
Extended Description
S27N04P01P Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 67P, 60 Hz, single-phase, 277 V, 12/24 V, NONE, 115 °C rise, 1 KVA, indoor-outdoor, 524AD
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N04P01P
UPC
786680097386
Product Length/Depth
6.56 in
Product Height
13.03 in
Product Width
5.53 in
Product Weight
31 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
67P
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524AD
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
12/24 V
Temperature rise
115 °C rise
Volt ampere rating
1 kVA
Weathershield
Indoor-Outdoor
The S27N04P01P delivers a robust 1 kVA rating with a 277 V primary and 12/24 V secondary, enabling safe isolation and dependable voltage step-down for control circuits and automation devices. This translates to stable PLC inputs and reliable relays in control panels, reducing nuisance trips and downtime while simplifying wiring and panel design. The NEMA 3R enclosure provides indoor-outdoor protection, allowing outdoor installations and damp environments without compromising safety or performance, which lowers maintenance intervals and extends service life. Aluminum windings reduce weight and enhance heat dissipation, improving handling during installation and supporting longer-term reliability in vibration-prone settings. The encapsulated EP design, combined with a 115 °C rise rating, contributes to rugged performance in demanding industrial environments. With 524AD wiring connectivity, the unit accommodates flexible, code-compliant panel wiring schemes and quick field terminations, easing retrofits and new builds alike. The compact footprint (6.56 in depth, 13.03 in height, 5.53 in width) and a 31 lb weight simplify mounting in tight spaces, delivering significant space savings in high-density panels. Warranty and UL Listed certification provide regulatory confidence and risk mitigation for maintenance planning and compliance, supporting a lower total cost of ownership over the transformer’s lifecycle.
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FAQs
For installation, ensure adequate clearance for heat dissipation and ventilation, mount securely to a stable surface, and respect the enclosure’s indoor-outdoor rating by positioning in a location protected from physical damage. The unit weighs 31 lb and measures 6.56 in deep, 13.03 in tall, and 5.53 in wide, which affects panel cutouts and mounting hardware selection. Use proper wiring practices with the 524AD connection per local codes and Eaton guidelines to facilitate safe termination and serviceability.
This transformer is a single-phase 1 kVA unit with a 277 V primary and 12/24 V secondary, operating at 60 Hz. It features a 115 °C rise rating, which supports short-term thermal tolerance, and uses 524AD wiring connections to simplify field terminations. These specs target reliable control circuits, automation devices, and lighting applications within standard industrial power distributions.
Yes. The S27N04P01P is designed with a NEMA 3R enclosure and is rated Indoor-Outdoor, enabling safe operation in outdoor or damp environments. This, combined with UL Listed safety certification, helps ensure reliable performance in exterior panels or processing equipment exposed to weather, reducing the need for separate protective housings and lowering maintenance costs.
The product carries UL Listed safety certification and a NEMA 3R enclosure rating, indicating compliance with recognized safety standards and suitability for indoor-outdoor use. These certifications matter because they provide evidence of electrical safety, reliability in harsh environments, and compatibility with typical industrial installation practices, which helps with compliance documentation and procurement approvals.
The transformer carries Eaton’s warranty: one year from installation or eighteen months from shipment, whichever occurs first. This reduces risk for projects and simplifies maintenance budgeting. The ROI comes from reduced downtime due to reliable isolation, easier installation, and the unit’s rugged, weatherproof design, which lowers service frequency and spare-part costs in long-term operations.