Eaton ER54040UG Enclosed Rotary Disconnect Switch - UL Listed
Part Number: ER54040UG
Quick Summary
ER54040UG is an Eaton enclosed rotary disconnect switch that provides safe motor isolation in industrial control panels. Engineers and purchasers frequently contend with cramped panels, retrofit challenges, and regulatory audits that drive downtime and costs. UL Listed and CSA Certified, along with a NEMA 1 painted steel enclosure and a 600 V rating, help ensure safety, compliance, and reliability. The unit’s 40 A amperage and HP range of 7.5–25 lay out a clear path for common machines, while its compact footprint supports easier installation and predictable procurement through Eaton's R-Series ecosystem.
Product Information
Extended Description
ER54040UG Eaton: Eaton enclosed rotary disconnect switch, 40 A, NEMA 1, Painted steel, Max HP:7.5, 7.5, 20, 25 hp (@208,240,480,600 V), Four-pole, Product category: enclosed rotary non-fusible, R-Series, 600 V
Product Name
Eaton enclosed rotary disconnect switch
Catalog Number
ER54040UG
UPC
786685493800
Product Length/Depth
10.4 in
Product Height
6.7 in
Product Width
7.2 in
Product Weight
5.5 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 CSA Certified
Enclosure
NEMA 1
Enclosure material
Painted steel
Number of poles
Four-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 - ER54040UG
Feature: 40A four-pole, 600 V rating. Business Impact: Delivers robust isolation for multi-motor and single-motor drives, reducing arc energy and equipment wear. Application: ideal for standard motor control circuits in machines and panels across manufacturing lines. Feature: NEMA 1 enclosure in painted steel. Business Impact: Indoor protection with durable finish lowers maintenance needs and extends service life. Application: suitable for indoor control panels in warehouses, assembly lines, and process equipment. Feature: HP rating of up to 25 hp at 600 V. Business Impact: Supports a wide range of motor loads, enabling one product to cover multiple line configurations. Application: commonly used in conveyors, pumps, and machine tools. Feature: Four-pole design. Business Impact: Ensures complete disconnect of all conductors, simplifying troubleshooting and maintenance. Application: simplifies wiring and compliance in panel builds. Feature: Compact footprint and light weight (10.4 in L, 7.2 in W, 6.7 in H, 5.5 lb). Business Impact: Saves panel space, reduces shipping and installation time, and eases retrofits. Application: ideal for space-constrained control cabinets. Feature: Certifications UL Listed and CSA Certified. Business Impact: Accelerates approvals and reduces risk during audits. Application: required in many regulated facilities and OEM projects. Feature: R-Series compatibility. Business Impact: Streamlines procurement and spare-part planning with a familiar Eaton family. Application: standardizes installation in new builds and retrofits.
Get a Quick Quote for a Eaton ER54040UG
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton ER54040UG?
Enquire Now
FAQs
ER54040UG uses a four-pole, enclosed rotary design within a NEMA 1 painted steel enclosure, sized for common panel footprints. Its dimensions (10.4 in L x 7.2 in W x 6.7 in H) and 5.5 lb weight simplify mounting in typical sheet-metal enclosures. Use standard mounting patterns in Eaton’s R-Series family for consistent alignment and service access.
The switch is rated for 40A and supports HP up to 7.5, 7.5, 20, and 25 hp at 208/240/480/600 V, respectively. This covers most small-to-medium industrial motors. The 600 V rating ensures compatibility with common low- to medium-voltage motor circuits, enabling safe disconnection during maintenance.
Yes, ER54040UG is UL Listed and CSA Certified. These certifications validate electrical safety and performance to industry standards, simplifying regulatory approvals for machine builders, panel shops, and end users. Certifications help satisfy customer procurement requirements and reduce project risk during inspections and commissioning.
The product is covered under Eaton Selling Policy 25-000, offering one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. This warranty supports coverage for manufacturing defects and standard wear, with access to Eaton’s technical support and service resources during the period.
ER54040UG excels in motor isolation within machine controls, panels, and switchgear where reliable, code-compliant isolation is required. Its rugged NEMA 1 enclosure and 600 V rating make it suitable for conveyors, pumps, and packaging lines. The four-pole design simplifies wiring and enhances operator safety during maintenance, reducing downtime and improving overall line uptime.