Eaton ER53016UD Enclosed Rotary Disconnect - UL Listed
Part Number: ER53016UD
Quick Summary
Eaton enclosed rotary disconnect switch provides reliable isolation for 3‑phase equipment in industrial control panels. This design helps prevent unexpected startup and minimizes arc-flash exposure during maintenance. UL Listed and CSA Certified units, along with NEMA 12/3R protection, ensure reliability in tough environments. A compact three‑pole package with 16 A and 600 V ratings supports cost‑effective motor control and easy installation in panelboards. Engineers also value its R-Series enclosure design, painted galvanized steel construction, and compatibility with standard motor control components. This translates to faster field installation, simpler maintenance, and long-term protection against dust, moisture, and incidental impacts. Designed for industrial environments, it supports compliant electric isolation with 16 A, 600 V, three-pole configurations.
Product Information
Extended Description
ER53016UD 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), Three-pole, Product category: enclosed rotary non-fusible, R-Series, 600 V
Product Name
Eaton enclosed rotary disconnect switch
Catalog Number
ER53016UD
UPC
786685466026
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
UL Listed CSA Certified
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
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 - ER53016UD
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 16 A amperage rating with HP ratings up to 3, 5, and 10 hp at 208/240/480/600 V. Business Impact: Enables safe, standardized motor isolation for common drives, reducing nuisance trips and facilitating predictable protection coordination. Application: Suitable for motors in conveyors, fans, and pumps across packaging and processing lines. Feature: NEMA 12 and NEMA 3R enclosure options with painted galvanized steel construction. Business Impact: Delivers dust, moisture, and incidental impact resistance, extending service life in both indoor and semi-outdoor environments. Application: Ideal for control panels in industrial plants and rugged workshop settings. Feature: Three-pole, R-Series, enclosed rotary non-fusible design. Business Impact: Simplifies maintenance and swap-out while keeping wiring organized and accessible; supports modular electrical layouts. Application: Panelboards and motor control solutions requiring reliable isolation. Feature: UL Listed and CSA Certified. Business Impact: Ensures regulatory compliance and acceptance across North American facilities, reducing vendor qualification time. Application: Electrical protection and circuit control for critical manufacturing processes. Feature: Catalog notes allow field modification to meet rainproof requirements (NEMA 3R) by opening a drain hole. Business Impact: Provides flexibility for outdoor installations without purchasing additional enclosures. Application: Outdoor equipment isolation and weather-exposed installations; enhances lifecycle value. Warranty and support: One-year warranty from installation or eighteen months from shipment, whichever occurs first, with Eaton’s policy documentation available for reference. This reduces total cost of ownership by clarifying coverage and service expectations.
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FAQs
The ER53016UD provides a three-pole, enclosed rotary disconnect designed for NEMA 12 and NEMA 3R configurations. It fits standard 16–80 A panel installations and can be field-modified to meet rainproof (3R) requirements by opening a factory drain hole, enabling reliable operation in varied indoor and outdoor environments.
ER53016UD is rated at 16 A with maximum horsepower ratings of 3, 5, and 10 hp across voltages of 208, 240, 480, and 600 V. It is a three-pole unit intended for safe isolation of small to mid-size motors and equipment in industrial settings.
Yes. With a compact three-pole design, 16 A rating, and 600 V capability, ER53016UD is well-suited for motor control panels, MCC sections, and equipment isolation duties. Its R-Series enclosure and protective NEMA ratings make it a practical choice for standard industrial control applications.
ER53016UD carries UL Listed and CSA Certified marks, confirming conformance to major North American electrical safety standards. These certifications support regulatory compliance, supplier qualification, and safer installation practices for electrical protection and circuit control equipment.
The product includes a one-year warranty from installation or eighteen months from shipment, whichever occurs first, per Eaton’s policy. For ongoing reliability, follow standard maintenance practices for enclosed rotary disconnects, including periodic inspection of contacts, enclosure integrity, and fastener torque checks.