Eaton S10N04P26P General-Purpose Encapsulated Transformer - UL
Part Number: S10N04P26P
Quick Summary
Eaton General purpose encapsulated transformer is a compact, reliable power isolation device for control panels and automation systems. Engineers often struggle to fit power isolation and stable secondary voltages into tight enclosures while meeting safety and weather-resistance requirements. UL Listed certification and a NEMA 3R indoor-outdoor enclosure rating support safety and durability, complemented by indoor-outdoor Weathershield and aluminum windings. With fixed 120/240 V primary and 12/24 V secondary at 60 Hz and 0.25 kVA, it provides a predictable, space-efficient solution for industrial automation and control-panel applications. Using this transformer can reduce wiring complexity and maintenance costs while ensuring compliance and long-term reliability.
Product Information
Extended Description
S10N04P26P Eaton: Eaton General-Purpose Encapsulated Transformer, EP, Single-phase, PV- 120 X 240V, Taps- None, SV- 12/24V, 115°C, .250 kVA, Al windings, Frame- 57P, Indoor-Outdoor.
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S10N04P26P
UPC
786680073571
Product Length/Depth
5.18 in
Product Height
9.34 in
Product Width
4.45 in
Product Weight
13 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
509A
Frequency rating
60 Hz
Kva Rating
250 kVA
Phase
Single-phase
Primary voltage
120 V, 240 V
Secondary Voltage
12/24 V
Temperature rise
115 °C rise
Volt ampere rating
0.25 kVA
Weathershield
Indoor-Outdoor
Feature: 120/240 V primary to 12/24 V secondary at 60 Hz. Business impact: Enables straightforward integration with common US power sources and low-voltage control circuits, reducing design risk. Application: Control panels and automation gear in new builds or upgrades. Feature: 0.25 kVA rating. Business impact: Powers typical sensing, relays, and small actuators without oversizing, lowering cost and heat load. Application: Factory automation and machine tools. Feature: Aluminum windings. Business impact: Improves durability and reduces weight, cutting installation effort and improving long-term reliability. Application: Harsh environments with vibration or temperature fluctuations. Feature: NEMA 3R enclosure with indoor-outdoor weathershield. Business impact: Enables outdoor or semi-outdoor mounting with enhanced protection against dust, moisture, and weather, reducing enclosure diversity needs. Application: Outdoor control cabinets and yard equipment. Feature: Frame 57P; dimensions 5.18 in L × 4.45 in W × 9.34 in H; weight 13 lb. Business impact: Compact footprint and manageable weight simplify mounting, wiring, and serviceability. Application: Retrofit projects and space-constrained panels. Feature: No taps; fixed voltage configuration. Business impact: Simplifies installation and reduces field-configurable errors, speeding up commissioning. Application: Fixed-voltage control circuits and dedicated power rails. Feature: UL Listed; 115°C rise rating. Business impact: Demonstrates safety compliance and thermal performance under load, supporting maintenance planning and regulatory audits. Application: Industrial and facility automation. Feature: Warranty of one year (or 18 months from shipment). Business impact: Provides assurance for uptime and total cost of ownership considerations. Application: Procurement and long-term service planning.
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FAQs
The S10N04P26P is designed for indoor-outdoor use with a NEMA 3R enclosure and Weathershield. It fits a 57P frame and has dimensions of 5.18 in (L) × 4.45 in (W) × 9.34 in (H) with a weight around 13 lb, facilitating straightforward mounting in standard control panels.
It is a single-phase transformer with a fixed primary of 120/240 V and secondary of 12/24 V, rated at 0.25 kVA (250 VA) and 60 Hz. It uses aluminum windings and has no taps, simplifying installation and reducing miswiring risk.
Yes. Its NEMA 3R enclosure and indoor-outdoor Weathershield design are intended for both indoor and outdoor service, providing weather resistance and durability in harsh environments commonly found in manufacturing yards and outdoor control areas.
The product is UL Listed, indicating compliance with recognized safety standards. Combined with a NEMA 3R enclosure rating and weatherproof design, this supports regulatory compliance and reliable operation in mixed indoor-outdoor settings.
There is a one-year warranty from installation (or 18 months from shipment). Routine checks should focus on verifying connections, assessing heat dissipation, and ensuring mounting integrity. The combination of robust construction and simple, fixed-voltage operation contributes to reduced downtime and predictable total cost of ownership.