Eaton ER53025UD Enclosed Rotary Disconnect Switch - UL Listed
Part Number: ER53025UD
Quick Summary
Eaton enclosed rotary disconnect switch is designed to reliably isolate circuits in control panels and motor circuits. Engineers often wrestle with space constraints in compact enclosures, inconsistent horsepower ratings, and field modifications that can compromise safety. This unit carries UL Listed and CSA Certified marks and is offered in a NEMA 12/3R enclosure, three-pole construction, and a 600 V rating to meet demanding industrial environments. Designed for ease of installation and long-term reliability, it supports 25 A and variable HP up to 20 hp across multiple voltages, making it a practical choice for OEMs and facilities teams. Its rugged galvanized steel enclosure helps withstand dust, moisture, and routine maintenance schedules.
Product Information
Extended Description
ER53025UD 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), Three-pole, Product category: enclosed rotary non-fusible, R-Series, 600 V
Product Name
Eaton enclosed rotary disconnect switch
Catalog Number
ER53025UD
UPC
786685466033
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
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 - ER53025UD
Feature: NEMA 12/3R enclosure with painted galvanized steel construction. Business Impact: Provides robust protection against dust and moisture, extending equipment life and reducing maintenance costs. Application: Suitable for control panels in manufacturing lines and packaging equipment. Feature: Three-pole enclosed rotary disconnect with 25A rating. Business Impact: Delivers reliable isolation for motor circuits with a compact footprint, enabling safer panel layouts and easier wiring. Application: Motors and control circuits across conveyors and automation cells. Feature: HP rating up to 20 hp at multiple voltages (208/240/480/600 V). Business Impact: Supports a wide range of motor loads without replacing components, reducing downtime and inventory needs. Application: OEM machines and process equipment operating at varied voltage levels. Feature: UL Listed and CSA Certified. Business Impact: Ensures regulatory compliance, simplifying procurement and audit readiness. Application: Industrial facilities requiring formal certification for control devices. Feature: 600 V voltage rating with 25A steady-state current. Business Impact: Enables safe operation under higher-voltage motor and control circuits, improving protection margins. Application: High-demand automation panels and critical process lines. Feature: R-Series, three-pole, enclosed rotary non-fusible design. Business Impact: Fast installation and predictable performance with rugged field reliability. Application: Regional service centers and heavy-duty manufacturing lines. Feature: Field-modifiable to meet NEMA 3R rainproof requirements via drain hole adjustment. Business Impact: Adds flexibility for outdoor or semi-outdoor installations without a full enclosure redesign. Application: Outdoor equipment housings and dusty/wet environments. Insight: The combination of material resilience, standard certifications, and broad voltage/motor ratings supports modernization projects and spares reduction, while maintaining compliance with industry practices for safe isolation in industrial automation environments.
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FAQs
ER53025UD is an enclosed rotary disconnect designed for control panels and motor circuits in industrial settings. With a 25 A rating, 600 V capability, and NEMA 12/3R enclosure, it fits compact panel layouts across conveyors, pumps, and processing equipment while delivering safe isolation and straightforward wiring for reliable operation.
The unit supports 208–600 V operation with HP ratings up to 20 hp, enabling it to protect a range of motor loads without swapping components. This reduces configuration complexity, minimizes inventory, and ensures proper isolation for motors in varying automation line voltages.
Yes. The catalog notes indicate NEMA Type 12 enclosures (16–80A) can be field modified to meet NEMA Type 3R rainproof requirements by opening a factory-provided drain hole. This provides outdoor installation flexibility while maintaining enclosure integrity.
ER53025UD carries UL Listed and CSA Certified marks, confirming regulatory compliance for industrial control devices. These certifications support audit readiness, supplier qualification, and user confidence when integrating the switch into safety-critical panels.
Warranty for the ER53025UD is one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, inspect the enclosure for corrosion, ensure secure mounting, and verify wiring integrity periodically to sustain reliable isolation and prolong service life.