Eaton ER53040UW Enclosed Rotary Disconnect Switch - NEMA 4X
Part Number: ER53040UW
Quick Summary
Eaton enclosed rotary disconnect switch provides reliable isolation for motor circuits in industrial facilities. It is designed to protect personnel and equipment during maintenance while keeping downtime to a minimum. CSA Certified and UL Listed certifications pair with a NEMA 4X stainless enclosure to stand up to washdown environments, while the 600 V ratings support a broad range of industrial drives. With a compact footprint and the rugged R-Series three-pole design, this solution simplifies panel integration and reduces wiring complexity, delivering improved uptime and a lower total cost of ownership.
Product Information
Extended Description
ER53040UW Eaton: Eaton enclosed rotary disconnect switch, 40 A, NEMA 4X, Stainless steel, Max HP:7.5, 7.5, 20, 25 hp (@208,240,480,600 V), Three-pole, Product category: enclosed rotary non-fusible, R-Series, 600 V
Product Name
Eaton enclosed rotary disconnect switch
Catalog Number
ER53040UW
UPC
786685466118
Product Length/Depth
10.4 in
Product Height
6.7 in
Product Width
7.2 in
Product Weight
6.1 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
CSA Certified UL Listed
Enclosure
NEMA 4X
Enclosure material
Stainless steel
Number of poles
Three-pole
Series
R-Series
Type
Enclosed rotary disconnect
Amperage Rating
40A
HP rating - max
7.5, 7.5, 20, 25 hp (@208,240,480,600 V)
Voltage rating
600 V
Product Category
Enclosed rotary non-fusible
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Eaton Specification Sheet - ER53040UW
Feature: Enclosed rotary disconnect with a NEMA 4X stainless steel enclosure provides robust weather and washdown resistance for motor isolation. Business Impact: reduces maintenance costs by protecting contacts from moisture and corrosion, extending module life. Application: ideal for outdoor or damp manufacturing areas and harsh environments where reliable isolation is essential. Feature: 40 A rating with 600 V capacity and HP ratings up to 7.5, 7.5, 20, 25 hp (@208,240,480,600 V) offers broad motor compatibility. Business Impact: minimizes spare parts and simplifies protective device coordination, boosting uptime and installation speed. Application: suitable for conveyors, pumps, fans, and general machinery needing a non-fusible disconnect. Feature: Three-pole configuration in the R-Series enclosure provides straightforward installation and safe isolation points. Business Impact: improves panel space utilization and wiring efficiency, reducing commissioning time. Application: well-suited for standard control panels and retrofit projects in manufacturing lines. Feature: Compact footprint of 10.4 in L Ă— 7.2 in W Ă— 6.7 in H and a weight of 6.1 lb supports easy retrofits and space-constrained installations. Business Impact: lowers installation complexity and enables rapid replacement in crowded panels. Application: ideal for upgrading older equipment where space is at a premium. Feature: CSA Certified and UL Listed with a NEMA 4X enclosure extends safety compliance and environmental protection; warranty per Eaton policy 25-000 provides post-purchase support. Business Impact: reduces regulatory risk and strengthens total cost of ownership. Application: procurement and maintenance planning in regulated manufacturing environments.
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FAQs
ER53040UW is a three-pole, non-fusible disconnect designed for standard control panels. It fits within typical MCC layouts and supports 10.4 in L, 7.2 in W, and 6.7 in H dimensions with a 6.1 lb weight, facilitating retrofit or new installations. Plan for proper mounting, wiring clearances, and secure enclosure sealing to preserve the NEMA 4X rating.
The device handles 40 A at up to 600 V and supports motor HP ratings of 7.5, 7.5, 20, and 25 hp across 208/240/480/600 V. This broad compatibility reduces part diversity and simplifies protection coordination in motor control applications such as conveyors, pumps, and fans.
With a NEMA 4X stainless steel enclosure, ER53040UW is ideal for washdown and harsh environments. It's well suited for outdoor installations, damp areas, and industrial settings where dependable isolation and corrosion resistance are required to protect personnel and equipment.
ER53040UW is CSA Certified and UL Listed, ensuring compliance with recognized safety standards. The NEMA 4X enclosure further supports durable performance in challenging environments, aligning with regulatory and QA requirements for motor control gear.
Eaton provides a one-year warranty from installation or eighteen months from shipment under policy 25-000. This warranty, along with standard Eaton support channels, helps manage maintenance planning, replacements, and long-term uptime for mission-critical applications.