Eaton S20L11E10CUSS General-Purpose Transformer - UL Listed
Part Number: S20L11E10CUSS
Quick Summary
Eaton general-purpose encapsulated transformer provides reliable step-down power for industrial controls and panel installations in manufacturing environments. Projects often contend with space constraints, corrosion, and installation challenges that complicate wiring and future upgrades. This unit carries UL Listed safety certification, a rugged NEMA 3R enclosure, and a Grade 304 stainless steel enclosure option for versatile indoor-outdoor use. With a 10 kVA rating, copper windings, and dual tap settings, it supports scalable power distribution while simplifying maintenance and reducing lifecycle costs. By combining robust construction with practical protection features, it delivers dependable performance in demanding environments and aligns with common industry standards for electrical equipment.
Product Information
Extended Description
S20L11E10CUSS Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 240 x 480v, taps: 2 at -5% fcbn x 4 at -2.5% fcbn, sv: 120/240v, 115°c, 10 kva, cu windings, elec. shield, frame: 179, indoor-outdoor.
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20L11E10CUSS
UPC
786680088001
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
230 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
Catalog Notes
Grade 304 stainless steel enclosure
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
179
Tap size
2 at -5% FCBN x 4 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
526A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: 10 kVA single-phase transformer with primary 240/480 V and secondary 120/240 V. Benefit: Enables efficient power conversion for control panels and machine cabinets while minimizing wiring complexity and inventory needs. Application: Ideal for panel builders and machine integrators seeking compact, scalable power distribution in both indoor and outdoor settings. Long-tail keywords: 10 kVA transformer, single-phase control transformer, panel power supply. Feature: Copper windings with electrostatic shield. Benefit: Improves electrical performance, limits stray capacitance, and enhances reliability in noisy industrial environments. Application: Suitable for precise signal integrity in automated systems and motor starter applications. Long-tail keywords: copper windings, electrostatic shield transformer. Feature: Dual-tap voltage regulation: 2 taps at -5% FCBN and 4 taps at -2.5% FCBN. Benefit: Maintains output stability despite input fluctuations, reducing equipment misoperation and downtime. Application: Critical in environments with variable mains or long feeders. Long-tail keywords: voltage regulation taps, FCBN taps. Feature: NEMA 3R enclosure with Grade 304 stainless steel option. Benefit: Provides corrosion resistance and outdoor-indoor versatility, simplifying installation across harsh environments. Application: Outdoor substations and exposed panel installations. Long-tail keywords: NEMA 3R enclosure, stainless steel enclosure. Feature: Weathershield capable and 60 Hz single-phase operation. Benefit: Supports reliable performance across a wide temperature range and standard industrial power systems. Application: Plant-wide power distribution for field installations and equipment integration. Long-tail keywords: indoor-outdoor transformer, 60 Hz transformer. Feature: Compact frame and robust build (Frame 179, 230 lb). Benefit: Easier handling, mounting, and service, enabling faster deployment and reduced labor costs. Application: Retrofit projects and new builds where space and weight are considerations. Long-tail keywords: frame 179, rugged transformer. Feature: UL Listed certification and standard warranty. Benefit: Demonstrates regulatory compliance and reduces risk with a one-year installation warranty or 18 months from shipment. Application: Compliance-driven procurement and maintenance planning. Long-tail keywords: UL Listed transformer, transformer warranty.
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FAQs
The S20L11E10CUSS uses a NEMA 3R enclosure with a Grade 304 stainless steel option, designed for indoor-outdoor use. This enclosure rating plus corrosion-resistant materials supports reliable operation in exposed outdoor environments and harsh industrial settings, while still fitting typical control panel footprints.
This transformer is a single-phase 10 kVA unit with primary voltages of 240 V and 480 V, and a secondary of 120/240 V. It operates at 60 Hz, making it suitable for standard industrial control panels and machine builds that require reliable step-down power.
Yes, the S20L11E10CUSS features taps at two positions for -5% FCBN and four positions for -2.5% FCBN. This enables voltage regulation to compensate for supply variations and long feeder runs, helping maintain stable output to sensitive loads and control circuits.
The transformer is UL Listed, indicating compliance with safety standards. It ships with Eaton’s warranty of one year from installation or eighteen months from shipment, whichever occurs first, providing reassurance on reliability and support for maintenance planning.
Typical uses include powering control panels, machine controls, and outdoor or indoor power distribution in manufacturing environments. The combination of 10 kVA capacity, copper windings, and an electrostatic shield supports robust performance in demanding applications with consistent voltage delivery and reduced downtime.