Eaton S20K11S07CUS64X General purpose transformer - NEMA 4X
Part Number: S20K11S07CUS64X
Quick Summary
Eaton general purpose encapsulated transformer powers reliable control panels in manufacturing and process environments. This compact, rugged device reduces space demands while delivering clean, regulated power to sensitive automation equipment. Technicians often struggle with weather exposure, wiring flexibility, and voltage stability in mixed installations. The S20K11S07CUS64X addresses these challenges with a NEMA 4X enclosure in 316 stainless steel, indoor-outdoor suitability, and copper windings designed for 60 Hz operation. It supports 240/480 V primary and 120/240 V secondary with precise taps for -10% and -5% FCBN, ensuring stable outputs across changing loads. By pairing robust build with Eaton’s warranty, it offers predictable performance and reduced maintenance costs for panel builders and machine integrators.
Product Information
Extended Description
S20K11S07CUS64X Eaton: Eaton, general purpose encapsulated transformer, ep single-phase 240 x 480v 1 at -10% fcbn x 2 at -5% fcbn 120/240v 150°c 7.5 kva copper windings 178 9a indoor-outdoor 60 hz nema 4x
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20K11S07CUS64X
UPC
786680116537
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
0.001 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
Contact Manufacturer
Catalog Notes
NEMA 4X Grade 316 stainless steel enclosure.
Coil material
Copper
Design
EP
Enclosure
NEMA 4X
Tap size
1 at -10% FCBN x 2 at -5% FCBN
Type
General-purpose encapsulated transformer
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Volt ampere rating
7.5 kVA
Weathershield
Indoor-Outdoor
Feature copper windings → Business impact: high efficiency and reduced heat generation → Application: helps critical loads run cooler in compact control cabinets. Feature copper windings → Business impact: lower losses mean improved energy reliability → Application: automation and machine controls at scale. Feature 7.5 kVA rating → Business impact: handles typical control-panel power demands with headroom → Application: multi-axis drives and PLC racks without oversizing. Feature 60 Hz single-phase operation → Business impact: aligns with standard US power distribution → Application: mainstream manufacturing lines and process automation. Feature primary 240/480 V and secondary 120/240 V → Business impact: flexible sourcing and straightforward wiring → Application: retrofit projects and new-build panels with mixed voltages. Feature voltage taps -10% and -5% FCBN → Business impact: output regulation under input fluctuations → Application: sensitive sensors and actuators that demand stable voltages. Feature NEMA 4X enclosure (316 stainless steel) → Business impact: rugged, corrosion-resistant protection for indoor-outdoor use → Application: harsh environments, washdown areas, and outdoor installations. Feature indoor-outdoor weathershield → Business impact: simplifies site selection and reduces enclosure changes → Application: versatile installation in factories and remote sites. Warranty one year or 18 months from shipment → Business impact: lower risk and predictable support → Application: procurement planning and maintenance budgeting.
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FAQs
The S20K11S07CUS64X is designed for enclosure mounting in cabinets or outdoor-rated housings with a NEMA 4X stainless steel body. Ensure proper clearance for copper windings, connect the primary 240/480 V supply, wire the secondary 120/240 V to the control circuits, and use the single-phase grounding arrangement as per Eaton installation guidelines. The voltage taps (-10% and -5% FCBN) should be referenced to maintain stable outputs under input fluctuations. Verify compatibility with your panel’s bus, conductor sizing, and thermal ratings to prevent overheating in continuous operation.
This transformer provides a 240/480 V primary and a 120/240 V secondary. Tap size is 1 at -10% FCBN and 2 at -5% FCBN, allowing minor voltage adjustments to accommodate supply variance. For wiring, connect the primary to the 240/480 V source per the panel schematic, route the 120/240 V secondary to the controlled loads, and set the taps according to the expected line voltage to maintain stable output during voltage sags or surges.
Yes. The unit uses a NEMA 4X enclosure with 316 stainless steel construction, offering excellent corrosion resistance and washdown capability. Its indoor-outdoor rating supports installation in harsh environments while protecting windings and terminals. Ensure proper mounting and drainage in outdoor installations and follow enclosure seals to maintain IP-related performance over time.
Key specs include 7.5 kVA VA rating, single-phase operation at 60 Hz, primary 240/480 V, secondary 120/240 V, copper windings, and a 150 °C temperature rise. It also features taps at -10% and -5% FCBN for voltage regulation. These specifications support reliable power conditioning for control panels and automation gear while enabling efficient heat management and compatibility with standard U.S. power systems.
Eaton provides a warranty per policy 25-000 offering one year from installation or eighteen months from shipment, whichever occurs first. For service, you can expect standard parts and technical support aligned with Eaton’s selling policy. When planning procurement, factor in the warranty period to justify ROI and schedule preventive maintenance around potential transformer heat and winding checks.