Eaton ER54025UW Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER54025UW
Quick Summary
Eaton ER54025UW enclosed rotary disconnect switch provides safe isolation for industrial electrical panels. When crews service equipment, lengthy downtime and arc-flash exposure are costly, so reliable isolation is essential. Certified CSA and UL Listed, the rugged NEMA 4X stainless enclosure withstands harsh environments while the four-pole design supports multi-line motor and control circuits at 208–600 V. As part of Eaton’s R-Series, this non-fusible disconnect offers straightforward installation, consistent HP performance, and long-term reliability for modern automation systems in manufacturing and process facilities.
Product Information
Extended Description
ER54025UW Eaton: Eaton enclosed rotary disconnect switch, 25 A, NEMA 4X, Stainless 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
ER54025UW
UPC
786685493701
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
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 - ER54025UW
Feature: Four-pole, 600 V rated enclosed rotary disconnect. Business Impact: Provides complete circuit isolation for multi-line systems, reducing fault propagation and enhancing operator safety. Application: Motor control panels and multi-mac hine lines in manufacturing environments. Feature: 25 A amperage rating with HP compatibility (7.5/7.5/15/20 hp at 208/240/480/600 V). Business Impact: Supports typical industrial motors without over-sizing, delivering cost efficiency and reduced energy waste. Application: Small to mid-size conveyors, pumps, and machine tools. Feature: NEMA 4X stainless steel enclosure. Business Impact: Delivers corrosion resistance and washdown compatibility, lowering maintenance costs and downtime. Application: Food & beverage, chemical processing, and outdoor installations. Feature: UL Listed and CSA Certified. Business Impact: Ensures regulatory compliance and simplifies audits, enabling safer procurement and faster project approvals. Application: Regulated facilities and critical infrastructure. Feature: R-Series enclosure and four-pole, non-fusible design. Business Impact: Streamlined installation and reliable serviceability, facilitating retrofits and replacements. Application: New builds and panel upgrades in distribution and motion-control systems.
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FAQs
The ER54025UW is a four-pole, enclosed rotary disconnect designed for control panels and multi-line motor circuits. Plan for surface mounting in a clean, accessible location with proper clearance for hinge operation and wiring. Ensure alignment with 208–600 V systems, and follow factory torque specs for secure terminal connections to maintain reliability and safety.
Key specs include a 25 A amperage rating, HP ratings up to 20 hp at 600 V (7.5/7.5/15/20 hp across 208/240/480/600 V), and a 600 V voltage rating. It features a four-pole design for complete isolation and uses a NEMA 4X stainless steel enclosure, suitable for demanding environments.
Yes. The enclosure is NEMA 4X rated with stainless steel construction, providing corrosion resistance and washdown capability. This makes it suitable for outdoor installations or areas with moisture, dust, or chemical exposure, reducing maintenance needs and extending service life.
The unit is CSA Certified and UL Listed, which supports compliance with common North American safety standards. These certifications simplify procurement for regulated facilities and help speed up safety reviews during audits or quality checks.
Eaton offers a warranty per policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. For ongoing maintenance, inspect bus connections and terminal torque during periodic service to preserve reliability and safe operation over time.