Eaton ER3R-16N3PR Rotary Disconnect - NEMA 3R, 600V
Part Number: ER3R-16N3PR
Quick Summary
Eaton ER3R-16N3PR rotary disconnect provides enclosed isolation for electrical protection systems. This design helps minimize downtime and arc-flash risk by offering a non-fused path and a pistol-style handle for quick, safe operation. Key specifications include 600 V, 16 A ratings, and a NEMA 3R enclosure suitable for outdoor or damp environments, with CE marking for European compliance. In practice, engineers rely on this solution to streamline panel protection, enable faster maintenance, and support global procurement with standard Bussmann series compatibility. The compact footprint and pistol handle also facilitate retrofit projects in legacy equipment, aligning with reliability goals and reducing through-life costs.
Product Information
Extended Description
ER3R-16N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 16A, Red, NEMA rating 3R
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-16N3PR
UPC
051712487580
Product Length/Depth
0.1 in
Product Height
0.1 in
Product Width
0.1 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
16A
NEMA rating
NEMA 3R
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER3R-16N3PR~ENCLOSED DISCONNECTS
ER3R-16N3PR~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER3R-16N3PR
Enclosed, non-fused design with a pistol-handle action reduces exposure to live parts, delivering safer isolation and easier operator control. The business impact is lower arc-flash risk and faster, incident-free switch operations on start-up and maintenance, making it ideal for motor control centers and control panels in manufacturing environments. The 600 V, 16 A electrical rating supports common industrial circuits without over-sizing, enabling compatibility with a broad range of equipment and simpler protection coordination. Applications include primary disconnects in conveyors, presses, and machine cells where reliable isolation is critical. The NEMA 3R enclosure provides outdoor and harsh-environment protection, reducing the need for additional enclosure solutions in outdoor installations. This translates to lower installation complexity and improved uptime. CE marking ensures European regulatory compliance and smoother cross-border procurement, which is valuable for global projects. Its compact footprint (0.1 in depth/height/width) and light weight (0.1 lb) support retrofit work and space-constrained panel designs. Documentation and datasheets are readily available to streamline engineering tasks and procurement decisions.
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FAQs
ER3R-16N3PR is designed as an enclosed rotary disconnect for electrical protection circuits and fits standard panel mounting practices. Use with Bussmann series accessories as specified in the catalog, follow LOTO procedures during installation, and ensure proper clearance and cable entry per the engineering drawings. Its compact enclosure supports retrofit into existing panels without requiring major rearrangements.
ER3R-16N3PR provides a 600 V voltage rating and a 16 A current rating, with a non-fused disconnect and a pistol-handle mechanism for safe operation. It carries a NEMA 3R enclosure and CE marking, making it suitable for protected indoor and outdoor installations in diverse industrial settings.
Yes. The device is designed with a NEMA 3R enclosure, which provides protection against rain, falling dirt, and indirect exposure to moisture. This makes it well-suited for outdoor installations, damp plant areas, and other challenging environments where reliable isolation is required.
The ER3R-16N3PR carries CE marking for European compliance and a NEMA 3R enclosure rating for environmental protection. These certifications support global procurement and adherence to safety and performance standards across multiple jurisdictions.
Technical datasheets and catalogs are available from Eaton’s site and partner catalogs, including the ER3R-16N3PR specification sheet. The ROI comes from enhanced safety (reduced arc-flash risk), shorter maintenance windows (faster operation), streamlined procurement with CE/NEMA compliance, and easier retrofit into existing panels, all contributing to lower total cost of ownership over the device’s lifecycle.