Eaton S52D15B10CU Encapsulated Transformer - UL Listed
Part Number: S52D15B10CU
Quick Summary
Eaton S52D15B10CU encapsulated transformer provides reliable power isolation for general-purpose control panels across industrial environments. In crowded facilities, heat buildup, moisture ingress, and limited space drive maintenance costs and risk of unexpected downtime. UL Listed safety certification and a rugged NEMA 3R enclosure enable safe, dependable operation in indoor-outdoor service. Designed for 60 Hz single-phase systems, it delivers 10 kVA with a 460 V primary and 115 V secondary, plus 2 voltage taps. With copper windings and an 80 °C rise rating, it supports efficient power distribution in demanding environments while fitting compact control panels. This combination simplifies procurement and reduces engineering time for panel builds.
Product Information
Extended Description
S52D15B10CU Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 180, 60 Hz, single-phase, 460 V, 115 V, 2 at +2.5% FCAN, 2 at -2.5% FCBN, 80 °C rise, 10 KVA, indoor-outdoor, 517V
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S52D15B10CU
UPC
786680061387
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
250 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
180
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
517V
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
460 V
Secondary Voltage
115 V
Temperature rise
80 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Encapsulated copper windings and the EP design deliver rugged insulation and moisture resistance, reducing coil degradation and field failures. The immediate business impact is longer transformer life and lower maintenance costs in damp facilities or near loading doors. This makes the S52D15B10CU ideal for control panels and automation cabinets where reliable power conversion is essential. The 10 kVA rating provides headroom for startup surges and near-term expansion without oversized equipment. Copper windings improve efficiency and reduce I2R losses, delivering stable voltage to PLCs, sensors, and small drives. In practice, this translates to fewer nuisance trips and smoother automation performance in compact panel racks. Voltage taps of plus 2.5 percent and minus 2.5 percent allow on-site regulation to hold secondary voltage steady despite supply fluctuations. This reduces over- and under-voltage events, lowers nuisance alarms, and supports consistent motor control and instrument readings in variable environments. Indoor-outdoor capability with a NEMA 3R enclosure shields the windings from dust, moisture, and temperature swings. This protects equipment in outdoor yards, loading docks, or unconditioned spaces, while simplifying maintenance schedules and compliance with safety standards. UL Listed certification validates safety and quality for industrial installations, while the robust 250 lb chassis and compact footprint ease mounting in existing racks. The combination of protection, performance, and ease of installation reduces project risk and accelerates deployment timelines. Warranty coverage includes one year from installation or eighteen months from shipment, helping manage lifecycle costs and ensure long-term reliability.
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FAQs
Ensure panel mounting space accommodates the unit's 19 in height, 13.38 in width, and 10.52 in depth, plus a 250 lb weight. Use rigid mounting and rated supports, and wire the primary to 460 V and secondary to 115 V on 60 Hz circuits. The NEMA 3R enclosure and UL Listed certification support safe installation in indoor-outdoor environments.
With a 10 kVA continuous rating, the transformer handles startup currents and steady loads typical in automation cabinets without overloading. The 80 °C rise rating indicates insulation remains within limits under full load when properly cooled, preserving voltage integrity at the 460 V to 115 V outputs. Copper windings also contribute to efficient, low-loss operation.
Yes. The NEMA 3R enclosure and indoor-outdoor rating protect windings from dust, moisture, and temperature swings, enabling reliable operation in outdoor equipment bays and unconditioned spaces. The 60 Hz single-phase configuration suits most US automation installations, while the 10 kVA rating provides necessary headroom for panel-mounted PLCs and sensors.
UL Listed certification confirms compliance with recognized safety standards, reducing installation risk and enabling simpler procurement. The rugged NEMA 3R enclosure supports weather resistance for indoor-outdoor use, while the copper coil design enhances reliability under duty cycles typical in industrial automation. This combination helps meet plant safety programs and regulatory expectations while supporting predictable performance.
Owners benefit from a warranty of one year from installation or eighteen months from shipment, giving protection against early-life defects. The unit’s copper windings and robust enclosure reduce maintenance needs and field faults, lowering downtime. With a 10 kVA rating and durable design, capital costs are justified by extended service life, easier spares management, and steady power delivery.