Eaton S34N12P51P Transformer, General-Purpose - UL Listed
Part Number: S34N12P51P
Quick Summary
Eaton S34N12P51P is a general-purpose encapsulated transformer that delivers reliable power for control panels and instrumentation in industrial environments. Operators often wrestle with outdoor exposure, space constraints, and maintenance-heavy components that threaten uptime. This unit leverages a rugged NEMA 3R enclosure and UL Listed certification to withstand weather, dust, and temperature swings, reducing field servicing. With an indoor-outdoor design, aluminum windings, and a compact 57P frame, it supports scalable power distribution while keeping installation simple. The combination of compact footprint, proven reliability, and standard 60 Hz operation helps facilities meet safety and performance standards without compromising on efficiency or space.
Product Information
Extended Description
S34N12P51P Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 57P, 60 Hz, single-phase, 240/277 V, 120 V, NONE, 115 °C rise, 0.5 KVA, indoor-outdoor, 451B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S34N12P51P
UPC
786680092466
Product Length/Depth
5.18 in
Product Height
9.34 in
Product Width
4.45 in
Product Weight
15 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
57P
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
0.5 kVA
Weathershield
Indoor-Outdoor
Feature: 0.5 kVA single-phase transformer with 240/277 V primary and 120 V secondary. Business impact: provides reliable, maneuverable power for low-to-mid load control circuits with a compact footprint. Application: drives PLCs, relays, and small motor starters in control panels. Feature: NEMA 3R enclosure for indoor-outdoor use. Business impact: delivers weather resistance and dust protection, reducing corrosion risk and downtime. Application: outdoor equipment enclosures and exterior-mounted panels. Feature: Aluminum winding material. Business impact: lighter weight and corrosion resistance, lowering installation effort and maintenance costs. Application: portable or space-constrained installations where long-term durability matters. Feature: 57P frame with specified dimensions (5.18 in L x 4.45 in W x 9.34 in H) and 15 lb weight. Business impact: easy mounting in tight machine rooms or equipment cabinets, simplifying retrofits. Application: low-footprint installations in new builds or upgrades. Feature: 60 Hz operation and 115 °C rise. Business impact: predictable performance with good thermal margin for continuous operation. Application: standard industrial power distribution in manufacturing lines. Feature: Winding connection 451B and UL Listed certification. Business impact: ensures compatibility with common wiring schemes and regulatory compliance, reducing risk during audits. Application: new panel builds and maintenance projects requiring certified components.
Get a Quick Quote for a Eaton S34N12P51P
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton S34N12P51P?
Enquire Now
FAQs
The S34N12P51P uses the 57P frame and a NEMA 3R enclosure, aligning with standard electrical installation practices. It features a 451B winding connection and compact dimensions (5.18 in L x 4.45 in W x 9.34 in H), making it straightforward to retrofit into existing control panels or new enclosures. Installation benefits include reduced space requirements and familiar mounting patterns, which save time during panel builds and service visits.
This unit is a 0.5 kVA, single-phase transformer with a primary voltage of 240/277 V and a secondary voltage of 120 V. It operates at 60 Hz and uses aluminum windings. The device supports indoor-outdoor installations and has a 115 °C rise rating, providing a healthy thermal margin for continuous operation and reliability in varying ambient conditions.
Yes. The S34N12P51P is designed for indoor-outdoor use with a NEMA 3R enclosure and an indoor-outdoor weather rating. This means it can withstand moisture, dust, and temperature fluctuations typical of outdoor environments, making it a solid choice for exterior control panels, weatherproof cabinets, and outdoor equipment enclosures without additional protective housings.
The transformer is UL Listed, ensuring compliance with key safety standards for electrical devices used in industrial settings. In addition to UL listing, its NEMA 3R enclosure and indoor-outdoor rating provide assurance for environmental protection and reliability in both indoor and outdoor installations. These certifications support safer operation and easier regulatory audits.
With aluminum windings, a robust 57P frame, and a 0.5 kVA rating, the S34N12P51P offers durable performance in demanding environments. Its UL listing and weatherproof enclosure reduce routine maintenance and field servicing. The unit weighs 15 lb, aiding handling during installation, while the 1-year warranty (or 18 months from shipment) provides a clear post-sale support window for ROI planning.