Eaton S12N12P51P Transformer 0.5 kVA - UL Listed
Part Number: S12N12P51P
Quick Summary
The Eaton S12N12P51P transformer provides reliable power isolation for 120 V circuits in commercial and light industrial panels. Facilities often struggle with moisture, corrosion, and enclosure requirements that lead to downtime and unexpected maintenance. UL Listed certification and a NEMA 3R enclosure rating support safety and code compliance in indoor-outdoor environments. Engineers appreciate the aluminum coil and 57P frame for rugged durability and a compact footprint that fits tight panel spaces. This 0.5 kVA, 60 Hz, single‑phase transformer delivers reliable performance where consistent voltage is essential for automation and controls. With these features, it simplifies sourcing and maintenance contracts while delivering dependable power.
Product Information
Extended Description
S12N12P51P Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 57P, 60 Hz, single-phase, 120 V, 120 V, NONE, 115 °C rise, 0.5 KVA, indoor-outdoor, 771A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S12N12P51P
UPC
786680097621
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
771A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
0.5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S12N12P51P
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The general-purpose encapsulated design delivers reliable power isolation (0.5 kVA) suitable for control panels in manufacturing lines, reducing risk of nuisance outages and enabling compliant installations in mixed indoor-outdoor environments. The NEMA 3R indoor-outdoor enclosure and UL Listed certification provide safety and code compliance, allowing use in harsh environments without extra enclosure costs. The 57P frame and aluminum coil offer rugged durability with a compact footprint, enabling tighter panel layouts and faster installations in machine housings. A 115 °C rise rating supports short-term overload conditions, improving tolerance to ventilation limitations in cramped electrical rooms. Overall, these attributes translate into lower maintenance costs, easier procurement, and greater system reliability in industrial automation settings.
Get a Quick Quote for a Eaton S12N12P51P
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 S12N12P51P?
Enquire Now
FAQs
Yes. The S12N12P51P is designed around a 57P frame and a NEMA 3R enclosure, making it suitable for both indoor and outdoor installations. It is a single‑phase, 60 Hz transformer with a 0.5 kVA rating and 120 V primary and secondary, with aluminum windings and a robust mounting footprint. Follow Eaton’s installation guidelines for proper grounding and panel fit.
Key specs include a 0.5 kVA VA rating, 60 Hz frequency, single‑phase operation, and 120 V primary and 120 V secondary voltage. The unit also features a 115 °C rise rating, aluminum coil construction, and a NEMA 3R enclosure, all engineered to sustain reliable voltage in mixed indoor‑outdoor environments.
Industries such as industrial automation, manufacturing, building automation, and machine tool applications benefit from a compact, reliable 0.5 kVA encapsulated transformer. Its indoor-outdoor compatibility, UL Listed status, and durable aluminum coil support continuous operation in control panels, switchgear, and equipment enclosures while reducing panel space, wiring complexity, and spare parts variety.
The product carries UL Listed certification and uses a NEMA 3R enclosure rating, signaling safety and environmental protection for indoor and outdoor use. UL Listed certification confirms safety under applicable standards, while NEMA 3R helps with weather resistance. Together, they streamline approvals, reduce project risk, and simplify maintenance planning.
Adopting the S12N12P51P lowers total cost of ownership by reducing downtime, simplifying sourcing, and minimizing panel space. Its compact footprint and straightforward wiring cut installation time, while the durable build minimizes repair frequency in harsh environments. UL Listed safety and NEMA 3R protection further reduce compliance-related delays and warranty concerns.