Eaton ER54016UD Enclosed Rotary Disconnect - UL Listed
Part Number: ER54016UD
Quick Summary
The Eaton enclosed rotary disconnect switch provides safe isolation for machinery and control panels in industrial settings. Engineers often struggle with reliable isolation in dusty or damp environments, and field modifications can jeopardize compliance. This unit carries CSA Certified and UL Listed approvals and uses a rugged NEMA 12/3R enclosure designed for dusty, damp, or wash-down environments. With its four-pole configuration and a 600 V rating, it safely isolates motors and switchgear, reducing risk, downtime, and service costs. In practice, teams gain faster commissioning and durable performance when integrating the ER54016UD into control panels and motor control centers.
Product Information
Extended Description
ER54016UD Eaton: Eaton enclosed rotary disconnect switch, 16A, NEMA 12/3R, Painted galvanized steel, Max HP:3, 5, 10, 10 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
ER54016UD
UPC
786685493817
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
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 - ER54016UD
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Painted galvanized steel enclosure provides robust protection. Business Impact: Delivers long-term durability and corrosion resistance, lowering maintenance costs. Application: Ideal for control panels in harsh manufacturing environments where dust, moisture, or washdowns occur. Feature: Amperage rating of 16A with HP ratings of 3, 5, 10, and 10 hp at 208–600 V. Business Impact: Supports common motor loads without over-specifying gear, improving cost efficiency. Application: Suitable for low- to mid-range motor disconnects in conveyors and machine tools. Feature: Four-pole construction for three-phase circuits. Business Impact: Enables clean, simultaneous isolation of all live conductors, enhancing safety and reliability. Application: Motor disconnects in three-phase panels and switchgear assemblies. Feature: Certifications include CSA Certified and UL Listed. Business Impact: Meets essential regulatory requirements, reducing procurement risk and accelerating compliance reviews. Application: Preferred choice for regulated industrial facilities and panel builders seeking third-party verification. Feature: NEMA 12/3R catalog notes allow field modification to meet rainproof requirements when a drain hole is opened. Business Impact: Provides installation flexibility for indoor and outdoor environments without replacing hardware. Application: Outdoor or wash-down areas where rain protection or humidity control is needed.
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FAQs
The ER54016UD is designed for standard panel mounting as a four-pole, non-fusible disconnect within NEMA 12 and NEMA 3R enclosures. It fits common control panels and benefits from the rugged galvanized steel enclosure. To ensure proper isolation and cooling, mount it to a sturdy panel surface, observe clearances around conductors, and follow the enclosure’s installation notes for field modifications if rainproof requirements are needed.
ER54016UD is rated for 16A with maximum HP ratings of 3, 5, 10, and 10 hp across voltages of 208, 240, 480, and 600 V. It is a four-pole, enclosed rotary non-fusible disconnect rated up to 600 V, suitable for three-phase motor isolation in medium-duty industrial applications.
Yes. The 16A, four-pole design supports safe isolation for three-phase motors and line-side circuits in motor control centers, conveyors, and packaging lines. Its R-Series enclosure and 600 V rating align with common panel boards and protection strategies, delivering reliable shutdowns during maintenance and safer startup sequences for automated lines.
The ER54016UD carries CSA Certification and UL Listing, signaling compliance with recognized safety standards. These certifications help meet regulatory requirements for many industrial facilities, reduce risk during audits, and simplify procurement for regulated environments where third-party verification matters.
Eaton provides a warranty under Selling Policy 25-000, covering one year from installation or eighteen months from shipment, whichever occurs first. For continued support, refer to Eaton’s specification sheet and catalog materials for installation guidance, as well as the product page and datasheets linked in the downloads section to ensure correct usage and lifecycle planning.