Eaton S27N11S01CULS42 General-Purpose Transformer UL Listed
Part Number: S27N11S01CULS42
Quick Summary
Eaton General purpose encapsulated transformer delivers reliable power conversion for control panels and industrial equipment across commercial, manufacturing, and utility environments. Many projects battle noisy installations, thermal rise, and enclosure mismatches that drive maintenance costs and downtime. UL Listed safety certification, a NEMA 3R enclosure for indoor-outdoor use, and copper-wound design provide rugged, code-compliant performance. With 60 Hz single-phase operation, 1 kVA rating, and 277 V primary to 120/240 V secondary, it supports streamlined sourcing and dependable installation for new builds or retrofit programs. The durable, compact form factor and standard wiring connection 524A simplify mounting, cabling, and future upgrades.
Product Information
Extended Description
S27N11S01CULS42 Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 59A, 60 Hz, low sound 42 dB, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 1 KVA, indoor-outdoor, 524A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11S01CULS42
UPC
786680080760
Product Length/Depth
5.75 in
Product Height
11.28 in
Product Width
5.99 in
Product Weight
0.001 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
Catalog Notes
Low sound equal to 42 dB
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
59A
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
1 kVA
Modification 1
Low sound 42 dB
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: Copper coil design reduces thermal losses and improves thermal stability, enabling efficient operation in continuous-duty environments such as manufacturing lines and process control panels. This translates to lower energy costs and longer life, making it suitable for high-cycle installations in HVAC and lighting control systems. Feature → NEMA 3R enclosure with indoor-outdoor capability enhances durability against weather, dust, and moisture, reducing enclosure-related failure risks and simplifying outdoor site deployments. Application: Outdoor substations, machine rooms, and roving equipment where weather exposure is a concern. Feature → 1 kVA VA rating provides scalable power for multiple control circuits, allowing design engineers to consolidate transformer assets and simplify bill of materials for mid-size automation projects. Application: Industrial automation cabinets, motor control centers, and distributed control systems. Feature → 277 V primary to 120/240 V secondary with 60 Hz operation offers direct integration with common facility power architectures, reducing transformer sizing errors and commissioning time. Application: Panel power distribution in commercial buildings and utility rooms. Feature → UL Listed certification and low sound 42 dB catalog note address compliance and acoustic requirements, enabling smoother approvals and quieter operation in shared equipment rooms. Application: Environments with strict noise or safety standards. Feature → Indoor-Outdoor versatility and epoxy encapsulation support rapid deployment across new installations and retrofit upgrades, minimizing cartage and on-site handling, while maintaining performance. Application: Refurbishment projects and modular builds seeking plug-and-play transformer assets.
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FAQs
Mount the copper-wound, encapsulated transformer inside a cabinet with a NEMA 3R-rated enclosure for indoor-outdoor use. Connect 524A wiring per the catalog sheet, maintain clearances for heat dissipation, and secure with appropriate hardware. Verify 277 V input and 120/240 V outputs are wired to the respective control circuits before commissioning.
Primary voltage: 277 V; Secondary voltage: 120/240 V; Frequency: 60 Hz; Phase: Single-phase; VA rating: 1 kVA; Temperature rise: 115 °C; Coil material: Copper; Enclosure: NEMA 3R; Sound: 42 dB; Wiring connection: 524A.
Yes. The unit uses an indoor-outdoor rated enclosure (NEMA 3R) with Weathershield design and is UL Listed, making it appropriate for exposed installations in industrial facilities while meeting safety and acoustic requirements, including a low 42 dB sound profile.
The S27N11S01CULS42 is UL Listed, signaling compliance with recognized safety standards for electrical equipment. This certification supports regulatory approvals, reduces the risk during inspections, and enhances reliability in demanding environments such as production floors and service areas where enclosure protection and safe operation are essential.
Warranty follows Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For service, replacement parts, or system integration guidance, contact Eaton technical support or your approved distributor to ensure timely, code-compliant upgrades and field help.