Eaton ER53016UW Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER53016UW
Quick Summary
ER53016UW enclosed rotary disconnect switch provides safe motor isolation for industrial equipment in challenging environments. Too many installations risk operator exposure or downtime when enclosures fail in washdown or dusty environments. UL Listed and CSA Certified verify safety compliance, while the NEMA 4X stainless steel enclosure resists corrosion and washdown challenges. This model delivers a 600 V rating and HP up to 10 at 208–600 V, with a compact three-pole design that simplifies panel wiring and reduces installation footprint, benefiting OEMs and end users alike. Its rugged construction supports durable service life in aggressive environments, lowering lifecycle cost. Its 16 A continuous load rating aligns with common motor control circuits, providing reliable isolation without oversizing hardware.
Product Information
Extended Description
ER53016UW Eaton: Eaton enclosed rotary disconnect switch, 16A, NEMA 4X, Stainless steel, Max HP:3, 5, 10, 10 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
ER53016UW
UPC
786685466088
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
UL Listed CSA Certified
Enclosure
NEMA 4X
Enclosure material
Stainless steel
Number of poles
Three-pole
Series
R-Series
Type
Enclosed rotary disconnect
Amperage Rating
16A
HP rating - max
3, 5, 10, 10 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 - ER53016UW
Feature: 16A amperage rating with HP ratings up to 10 hp at 208–600 V. Business Impact: Enables direct isolation of medium-sized motors without overdesign, reducing substitute parts and wiring complexity. Application: Used for conveyors, pumps, and process equipment where reliable shutoff is essential. The result is improved uptime and safer maintenance windows. Feature: NEMA 4X stainless steel enclosure. Business Impact: Superior corrosion resistance and washdown durability extend service life in harsh environments, lowering maintenance costs. Application: Ideal for food processing, chemical handling, and outdoor installations where exposure to moisture and cleaners is common. The outcome is lower total cost of ownership through fewer enclosure-related failures. Feature: Three-pole enclosed rotary non-fusible design in the R-Series. Business Impact: Simplified wiring and robust mechanical integrity with straightforward on/off control. Application: Fits standard control panels and OEM layouts, enabling quicker installation and easier field servicing. Feature: UL Listed and CSA Certified. Business Impact: Regulatory compliance supports safer installations and smoother audits. Application: Suitable for wide deployments across North America with confidence in safety standards. Feature: Compact footprint and weight (10.4 in L, 7.2 in W, 6.7 in H; 6.1 lb). Business Impact: Easier panel integration and reduced enclosure footprint, enabling denser electrical rooms without sacrificing accessibility. Application: Beneficial for retrofit projects and new builds where space is at a premium.
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FAQs
Yes. The ER53016UW is a three-pole enclosed rotary disconnect designed to fit standard control-panel footprints and mounting schemes. Its compact 10.4 in length and 7.2 in width support straightforward wiring and field wiring harness integration. Ensure panel cutouts and mounting studs align with the unit's dimensions for a secure, serviceable install.
The device is rated for 16A with HP ratings up to 10 hp at 208–600 V. This makes it suitable for driving moderate-load motors in conveyors, pumps, and processing equipment. The 600 V rating ensures compatibility with common industrial motor circuits, while the three-pole configuration provides reliable disconnection across phases.
Yes. The enclosure is NEMA 4X and constructed from stainless steel, offering corrosion resistance and washdown durability. This makes it well-suited for food processing, chemical handling, and outdoor installations where moisture, cleaning agents, or exposure are a concern, helping to extend service life and reduce maintenance frequency.
ER53016UW carries UL Listed and CSA Certified markings, signaling compliance with major North American electrical safety standards. These certifications support safer design, easier audits, and broader acceptance in regulated facilities, which is particularly important for OEMs and integrators delivering panel assemblies to diverse end markets.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This warranty, combined with the unit’s durable stainless steel enclosure and reliable three-pole isolation, helps reduce maintenance costs, downtime, and long-term replacement cycles in production environments.