Eaton S34N12P76P General-Purpose Transformer – UL Listed
Part Number: S34N12P76P
Quick Summary
Eaton S34N12P76P general-purpose encapsulated transformer provides reliable power for control panels in industrial environments. When space is tight and outdoor exposure is unavoidable, selecting the wrong transformer can drive downtime and retrofit costs. With UL Listed certification, a NEMA 3R enclosure, and indoor-outdoor compatibility, it meets safety, weather resistance, and installation requirements. The device supports a single-phase 0.75 kVA load with a 240/277 V primary and 120 V secondary, ideal for compact automation circuits. Designed for reliability and easy procurement, it helps reduce total cost of ownership while aligning with standard building voltages and control-system architectures. Its aluminum coil and EP encapsulation further enhance performance in varied ambient conditions, while the 58AP frame aids straightforward installation in crowded panels.
Product Information
Extended Description
S34N12P76P Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 58AP, 60 Hz, single-phase, 240/277 V, 120 V, NONE, 115 °C rise, 0.75 KVA, indoor-outdoor, 451B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S34N12P76P
UPC
786680092473
Product Length/Depth
5.99 in
Product Height
11.68 in
Product Width
4.99 in
Product Weight
22 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
58AP
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
451B
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240/277 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
0.75 kVA
Weathershield
Indoor-Outdoor
Feature: NEMA 3R enclosure for indoor-outdoor use → Business Impact: Provides weather-resistant protection and code-compliant installation in harsh environments → Application: Outdoor control cabinets and exposed installation sites. Feature: Aluminum coil with EP encapsulation → Business Impact: Improves heat dissipation and reliability, reducing maintenance and energy losses → Application: Compact automation installations with demanding ambient conditions. Feature: 0.75 kVA rating at 60 Hz single-phase → Business Impact: Sufficient power for small actuators and sensors with predictable performance → Application: Control circuits in automation panels and motor starters. Feature: Primary 240/277 V and secondary 120 V → Business Impact: Compatible with common facility distribution while delivering safe, step-down outputs → Application: Control logic, relays, and signal interfaces in industrial equipment. Feature: Frame 58AP and wiring connection 451B → Business Impact: Simplified mounting and field wiring, reducing installation time and error → Application: Retrofit projects and new builds with standard cabinet layouts. Feature: UL Listed with indoor-outdoor Weathershield → Business Impact: Procurement confidence and regulatory compliance across multiple facilities → Application: Global deployments in regulated and safety-conscious environments.
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FAQs
Plan for a location with the NEMA 3R enclosure exposure stated in the spec, ensuring adequate clearance for mounting the 58AP frame and 451B wiring. Use appropriate panel cutouts, secure mounting provisions, and verify 240/277 V input with 120 V secondary outputs. Confirm UL Listed status aligns with local electrical codes and ensure environmental conditions match indoor-outdoor operation.
It is a single-phase transformer rated at 0.75 kVA with a 60 Hz frequency. Primary voltage is 240/277 V, and secondary voltage is 120 V. The device features 115 °C rise, aluminum coil material, and EP encapsulation, with a 58AP frame. Wiring connection is designated as 451B, and it carries UL Listed certification for safety and reliability.
Yes. The transformer uses a NEMA 3R enclosure and an indoor-outdoor Weathershield rating, making it appropriate for both indoor and outdoor installations. Its aluminum coil and encapsulated design further enhance durability and heat dissipation in variable environmental conditions, supporting dependable operation in industrial outdoor panels and exposed equipment bays.
The S34N12P76P is UL Listed, which confirms conformance to safety standards and regulatory requirements for electrical equipment. This certification simplifies procurement, accelerates approvals in regulated environments, and helps ensure safer integration into control cabinets and building infrastructure.
Its robust construction, weather-resistant enclosure, and reliable 0.75 kVA output reduce downtime and maintenance costs in mixed indoor-outdoor deployments. The unit’s aluminum coil and encapsulation improve efficiency and heat management, while UL Listing and NEMA 3R compatibility streamline compliance and sourcing—contributing to lower total cost of ownership over the equipment’s life cycle.