Eaton ER54025UD Enclosed Rotary Disconnect - UL Listed
Part Number: ER54025UD
Quick Summary
Eaton enclosed rotary disconnect switch ER54025UD provides reliable isolation for three-phase motors in industrial applications. Many facilities struggle with compact, code-compliant isolation devices that endure harsh environments and minimize downtime. This model carries CSA Certified UL Listed approvals and uses a NEMA 12 / NEMA 3R enclosure for reliable protection. Designed for R-Series, four-pole operation at 600 V, it supports 7.5–20 hp applications. Compact, painted galvanized steel construction simplifies installation in standard control panels and reduces mounting footprint. With a one-year warranty and Eaton's service support, procurement and maintenance planning become more predictable. Its 25 A rating and 600 V capability align with common plant motor control needs.
Product Information
Extended Description
ER54025UD Eaton: Eaton enclosed rotary disconnect switch, 25 A, NEMA 12/3R, Painted galvanized steel, Max HP:7.5, 7.5, 15, 20 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
ER54025UD
UPC
786685493824
Product Length/Depth
10.4 in
Product Height
6.7 in
Product Width
7.2 in
Product Weight
6.2 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
Catalog Notes
NEMA Type 12 enclosures (16–80A) can be field modified to meet NEMA Type 3R rainproof requirements when a factory-provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Number of poles
Four-pole
Series
R-Series
Type
Enclosed rotary disconnect
Amperage Rating
25A
HP rating - max
7.5, 7.5, 15, 20 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 - ER54025UD
Feature: Four-pole enclosed rotary disconnect from the R-Series; Business Impact: Provides robust, predictable motor isolation with clear fault containment, reducing unplanned downtime and arc flash exposure; Application: Ideal for motor control centers handling three-phase motors in conveyors, pumps, and fans. Feature: NEMA 12 and NEMA 3R compatible enclosure; Business Impact: Delivers indoor protection with field modifications to 3R rainproof capability for outdoor or damp environments; Application: Suitable for indoor panels and sheltered outdoor installations. Feature: Painted galvanized steel enclosure; Business Impact: Delivers corrosion resistance and long service life in harsh industrial settings, lowering maintenance costs; Application: Factory floors, wash-down areas, and harsh environments. Feature: CSA Certified and UL Listed; Business Impact: Eases compliance audits and supplier qualification, accelerating procurement and installation schedules; Application: Regulatory-conscious projects in OEM, plant, and system integrator environments. Feature: 25 A, 600 V rating with max HP of 7.5–20 hp; Business Impact: Aligns with common motor loads while preserving safe isolation and reduced wiring complexity; Application: Standard industrial drives, pumps, and line equipment with three-phase motors.
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FAQs
The ER54025UD uses a four-pole enclosed rotary design with NEMA 12 and NEMA 3R ratings. It fits standard control panels with a compact footprint (10.4 in depth, 6.7 in height, 7.2 in width) and a 6.2 lb weight. Field modification to NEMA 3R rainproof is possible by opening a factory drain hole per catalog notes, enabling outdoor or damp environments.
The device provides 7.5, 7.5, 15, and 20 hp ratings at 208, 240, 480, and 600 V, respectively, with a 25 A amperage rating and a 600 V maximum. This ensures compatibility with common three-phase motor loads while maintaining safe isolation and predictable performance during startup and load changes.
Yes. The ER54025UD is CSA Certified and UL Listed, reinforcing conformity with electrical safety standards. Its NEMA 12 / NEMA 3R enclosure ratings further support compliance for indoor and weather-protected outdoor installations. These certifications help streamline procurement, testing, and integration within regulated industrial environments.
The product is backed by Eaton’s standard warranty: one year from the date of installation or eighteen months from shipment, whichever occurs first. This coverage, plus Eaton’s technical support, helps simplify maintenance planning and parts replacement, reducing total cost of ownership over the equipment lifecycle.
Ideal for motor control centers, conveyors, pumps, and other three-phase motor applications, particularly in manufacturing, material handling, and process facilities. The 25 A, 600 V rating, 7.5–20 hp range, and rugged NEMA 12/3R enclosure provide reliable isolation, improved safety, and reduced downtime, aligning with typical OEM and industrial automation needs.