Eaton S44N11S03 General-Purpose Transformer - UL Listed
Part Number: S44N11S03
Quick Summary
Eaton general purpose encapsulated transformer provides reliable voltage conversion for industrial control panels and equipment rooms. When space is tight and environments swing from indoor to outdoor, installers face mounting, wiring clearance, and weather challenges. UL Listed certification and NEMA 3R enclosure rating help assure compliance and rugged operation in harsh settings. This model combines a compact footprint with a 3 kVA rating, 60 Hz operation, and 440 V to 120/240 V outputs, delivering dependable power for modern automation. With aluminum coil construction and indoor-outdoor suitability, it supports long-term reliability in harsh environments while simplifying procurement and installation for panel builders and OEMs.
Product Information
Extended Description
S44N11S03 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 440 V, 120/240 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 524K
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S44N11S03
UPC
786680061356
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
75 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
176
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524K
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
440 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Feature: General purpose encapsulated design with aluminum coil and epoxy encapsulation → Business Impact: Enhances thermal performance and moisture resistance, reducing downtime and maintenance costs in harsh environments. Application: Ideal for control panels in manufacturing automation where compact, reliable transformers are needed. Long-tail keywords: general purpose encapsulated transformer, aluminum coil transformer, epoxy encapsulated transformer. Feature: NEMA 3R enclosure for indoor-outdoor service → Business Impact: Enables outdoor installation and weather-resistant operation, reducing enclosure upgrades and site constraints. Application: Outdoor switchgear or indoor-outdoor control panels exposed to variable conditions. Long-tail keywords: NEMA 3R enclosure, outdoor transformer, weather-resistant transformer. Feature: 3 kVA single-phase, 60 Hz, 440 V primary to 120/240 V secondary → Business Impact: Delivers appropriate secondary voltages for PLCs, relays, and instrumentation, supporting reliable machine control and reduced wiring complexity. Application: Machine tools, process equipment, and panel boards in industrial facilities. Long-tail keywords: 60 Hz transformer, 440 V to 120/240 V transformer, 3 kVA transformer. Feature: 115 °C rise and robust construction → Business Impact: Maintains performance under elevated ambient temperatures, lowering risk of overheat and extending service life. Application: High-heat or tightly packed electrical rooms. Long-tail keywords: 115°C rise, high-temperature transformer. Feature: UL Listed with sturdy wiring and compact footprint (75 lb, 8 in L, 7.69 in W, 14.25 in H) → Business Impact: Simplifies compliance and installation planning, reducing site disruption and labor costs. Application: OEM assemblies and retrofit projects seeking proven, install-ready power conversion. Long-tail keywords: UL Listed transformer, compact industrial transformer, panel-mount transformer.
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FAQs
The S44N11S03 is a compact, single-phase transformer with a 3 kVA rating and NEMA 3R enclosure. Its 8 in length, 7.69 in width, and 14.25 in height provide an efficient footprint for panel layouts, while 75 lb weight informs lifting and support requirements. Ensure proper clearance for ventilation and wiring access, and verify primary 440 V and secondary 120/240 V connections align with your panel design.
This Eaton transformer delivers 3 kVA at 60 Hz, with a primary voltage of 440 V and a secondary of 120/240 V. It uses a single-phase configuration and features aluminum coil construction. The device is UL Listed and designed for indoor-outdoor use with a NEMA 3R enclosure, suitable for varied installation environments in industrial settings.
Yes. The S44N11S03 features a NEMA 3R enclosure and indoor-outdoor applicability, providing weather resistance for outside equipment housings or exposed panels. UL Listed certification supports regulatory compliance, making it appropriate for installations where humidity, rain, and temperature variations are considerations.
The transformer is UL Listed, ensuring recognized safety and performance standards. Its NEMA 3R enclosure further indicates suitability for indoor-outdoor service in challenging environments. While SIL, CE, and IP ratings are different regulatory marks, UL Listing paired with the rugged enclosure delivers confidence for industrial applications.
The S44N11S03 provides a reliable 3 kVA, 440 V to 120/240 V transformation with a durable aluminum coil and robust enclosure, reducing downtime and maintenance frequency. Its rugged design plus UL Listing simplifies procurement and compliance, contributing to lower lifecycle costs through fewer replacements and smoother integration with PLCs and control circuits.