Eaton S10N08B51CU General-Purpose Transformer - UL Listed
Part Number: S10N08B51CU
Quick Summary
S10N08B51CU is a general-purpose encapsulated transformer for 120/240 V control circuits in control panels. In field installs, moisture, space constraints, and temperature swings can compromise reliability. UL Listed certification and a rugged NEMA 3R enclosure support reliable indoor-outdoor operation. Copper windings and a 0.5 kVA rating translate to predictable performance in power distribution and control panels. The unit is designed for 60 Hz operation with 80 °C rise, supporting reliable duty cycles in demanding environments. Its compact footprint and 27 lb weight ease installation in crowded panels and retrofit projects. With a one-year Eaton warranty, technicians can focus on uptime rather than replacement cycles.
Product Information
Extended Description
S10N08B51CU Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 58A, 60 Hz, single-phase, 120 V, 240 V, 24/48 V, NONE, 80 °C rise, 0.5 KVA, indoor-outdoor, 3K
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S10N08B51CU
UPC
786680083228
Product Length/Depth
5.75 in
Product Height
11.28 in
Product Width
5.99 in
Product Weight
27 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
Copper
Design
EP
Enclosure
NEMA 3R
Frame
58A
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3K
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V, 240 V
Secondary Voltage
24/48 V
Temperature rise
80 °C rise
Volt ampere rating
0.5 kVA
Weathershield
Indoor-Outdoor
Encapsulated design with NEMA 3R enclosure provides robust weather and moisture resistance, enabling dependable operation in both indoor and outdoor locations. This translates to reduced field failures and fewer service visits, which is critical for power distribution in harsh environments and control panels in industrial facilities. The 0.5 kVA rating paired with 120/240 V primary and 24/48 V secondary delivers reliable voltage transformation for low-voltage control circuits, improving downstream device performance and safeguarding equipment from voltage fluctuations. Copper coil windings reduce resistive losses and improve efficiency, yielding lower operating temperatures and extended transformer life in continuous duty applications. A compact footprint (5.75 in by 5.99 in by 11.28 in) and 27 lb weight simplify mounting in crowded panels and retrofit projects, accelerating installation timelines. The 60 Hz single-phase design aligns with common electrical standards in commercial and industrial settings, while the W wiring connection (3K) supports secure, vibration-resistant terminations. The combination of UL Listed certification, 80 °C rise rating, and rugged construction reduces maintenance costs and enhances compliance in power-distribution strategies. This transformer also aligns with standard service practices for motor control centers and automation panels, delivering predictable performance within budget constraints and lifecycle expectations.
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FAQs
Begin by selecting a compatible enclosure and mounting surface that accommodates the 11.28 in height and 5.99 in width. Secure the unit to the panel, ensure the NEMA 3R rating is respected for indoor-outdoor placements, and connect the 120/240 V primary leads to the approved power source. Connect the 24/48 V secondary to the control circuits, verify 60 Hz operation, and confirm copper-wound windings for efficiency. Finally, perform insulation, grounding, and torque checks on all connections per standard electrical safety practices.
The transformer supports 120 V and 240 V as primary voltages and provides 24/48 V on the secondary side. It is a single-phase device designed for 60 Hz operation and has a 0.5 kVA rating, making it suitable for low-voltage control circuits within industrial equipment and panel assemblies.
Yes. The unit features a NEMA 3R enclosure designed for indoor-outdoor service, protecting windings and connections from moisture and dust. It is rated for 60 Hz single-phase operation with an 80 °C rise, enabling reliable performance across a wide range of temperatures and humidity levels typically encountered in industrial facilities.
The S10N08B51CU is UL Listed, confirming compliance with recognized safety standards. Its NEMA 3R enclosure further reinforces suitability for outdoor or damp environments, supporting robust protection against environmental hazards while maintaining safety and reliability in power-distribution and control-panel applications.
Encapsulated copper-wound windings reduce losses and thermal stress, contributing to better energy efficiency and longer service life. The unit’s compact footprint, light 27 lb weight, and straightforward wiring (3K) simplify installation and retrofits, minimizing downtime. With UL Listing and a one-year warranty, maintenance needs are predictable and service intervals can be extended, delivering faster return on investment in capital-intensive power-distribution projects.