Eaton ER53040UG Enclosed Rotary Disconnect - UL Listed 600V
Part Number: ER53040UG
Quick Summary
Eaton ER53040UG enclosed rotary disconnect switch provides safe motor isolation for industrial equipment. Many control engineers struggle to balance compact footprints with rugged indoor protection and easy maintenance. This unit delivers a three-pole, 600 V solution in a NEMA 1 painted steel enclosure, designed for reliable service in crowded control panels and motor control centers. It carries UL Listed and CSA Certified marks, plus the rugged R-Series reliability, helping ensure regulatory compliance and long service life in demanding environments. With a 40 A rating and HP coverage up to 25 hp at 600 V, it supports efficient motor starts while simplifying installation in existing panels and downstream equipment.
Product Information
Extended Description
ER53040UG 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), Three-pole, Product category: enclosed rotary non-fusible, R-Series, 600 V
Product Name
Eaton enclosed rotary disconnect switch
Catalog Number
ER53040UG
UPC
786685465999
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
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 - ER53040UG
Feature: Enclosed rotary disconnect with three poles delivers reliable motor isolation in indoor control panels. Benefit: Improves safety and reduces the risk of arcing during maintenance, lowering downtime and repair costs. Application: Ideal for motor circuits in general-purpose industrial controls and machine enclosures. Feature: HP rating up to 25 hp at 600 V and 20 hp at 480 V with 40 A current rating. Benefit: Supports a broad range of motors and startup scenarios without oversizing components, enhancing energy efficiency and system performance. Application: Suitable for small to medium motors in OEM equipment and plant floors. Feature: NEMA 1 painted steel enclosure. Benefit: Provides basic indoor protection and corrosion resistance, enabling straightforward installation in dry, indoor environments. Application: Common in control cabinets and switchgear rooms. Feature: Tight overall footprint with dimensions 10.4 in L × 6.7 in H × 7.2 in W and weight around 5.5 lb. Benefit: Easy drop-in replacement in existing spaces and panels, reducing retrofit costs. Application: Retrofit projects and new installations where space is at a premium. Feature: Certifications UL Listed and CSA Certified. Benefit: Facilitates regulatory compliance and reduces vendor qualification effort for procurement teams. Application: Essential for projects requiring recognized safety and performance standards. Feature: One-year warranty (or 18 months from shipment) under Eaton policy 25-000. Benefit: Improves total cost of ownership by providing predictable coverage and support. Application: Asset management and long-life equipment planning.
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FAQs
ER53040UG is designed with a NEMA 1 enclosure in painted steel, suitable for indoor use. Its three-pole arrangement and compact footprint (10.4 in L × 6.7 in H × 7.2 in W, about 5.5 lb) allow straightforward mounting in standard control panels and motor control centers. Ensure adequate clearance for Maintenance and wiring and follow manufacturer torque specs during installation.
The device is rated for 40 A and supports motor horsepower up to 25 hp at 600 V, or 20 hp at 480 V, with 7.5 hp at 208/240 V as part of its HP curve. The voltage rating is 600 V. These specs make it suitable for routine motor isolation tasks in general-purpose industrial applications and panel assemblies.
Yes. With a three-pole enclosed rotary non-fusible design, NEMA 1 indoor enclosure, and compact dimensions, ER53040UG fits tight control panels and plant cabinets while providing robust, code-compliant motor isolation. It’s well-suited for OEM equipment, machine controls, and light-duty motor control centers requiring reliable disconnect capabilities.
ER53040UG carries UL Listed and CSA Certified marks, indicating compliance with recognized safety and performance standards. These certifications simplify supplier qualification, facilitate installation in regulated facilities, and support compliance during audits. The combination of certifications plus the R-Series design reinforces reliability in indoor industrial environments.
The unit is backed by Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever comes first. This coverage reduces risk during commissioning and early operation, contributing to lower maintenance costs and a predictable total cost of ownership for motor control applications.