Eaton ER3R-80N3PR Enclosed Rotary Disconnect - NEMA 3R
Part Number: ER3R-80N3PR
Quick Summary
ER3R-80N3PR enclosed rotary disconnect switch provides safe isolation for electrical feeders in control panels. In practice, downtime and safety incidents arise from slow, complex lockout procedures and unreliable isolation points. This unit carries a NEMA 3R enclosure rating and CE marking, supporting outdoor or harsh indoor environments while complying with international standards, and it is rated for 600 V and 80 A. With a pistol handle and non-fused design, it delivers quick, confident operation that reduces maintenance time and arc flash exposure. Built into the Eaton Bussmann series, it blends rugged reliability with compact installation, offering a dependable solution for industrial automation that helps you meet uptime targets and compliance requirements.
Product Information
Extended Description
ER3R-80N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 80A, Red, NEMA rating 3R
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-80N3PR
UPC
051712488068
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
80A
NEMA rating
NEMA 3R
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER3R-80N3PR~ENCLOSED DISCONNECTS
ER3R-80N3PR~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER3R-80N3PR
Feature: Non-fused design with pistol handle. Business Impact: Faster, safer manual isolation reduces maintenance downtime and arc flash exposure. Application: Ideal for control panels and equipment where quick disconnection is essential. Feature: 80A at 600V with NEMA 3R enclosure. Business Impact: Robust performance in both indoor and outdoor environments, ensuring reliability in harsh conditions. Application: Service disconnects for industrial machinery and outdoor equipment enclosures. Feature: CE Marked compliance. Business Impact: Streamlined regulatory approvals and safer integration into European and global projects. Application: Assemblies and installations requiring formal safety compliance. Feature: Enclosed Bussmann series construction. Business Impact: Enhanced protection against dust and moisture, extending contact life and reducing maintenance costs. Application: Wiring closets, damp locations, and rugged automation environments. Feature: Compact form with lightweight design. Business Impact: Easier retrofits and faster installation in dense panels, reducing installation time and field labor. Application: Panel upgrades and space-constrained electrical cabinets. Feature: Availability of catalogs and datasheets. Business Impact: Improves procurement accuracy and design confidence, supporting faster design cycles. Application: Engineering validation and parts specification for BOMs.
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FAQs
Install the ER3R-80N3PR using standard wiring practices for non-fused disconnects. Mount it in a suitable enclosure with proper clearance for the pistol handle operation, connect the load and line conductors per the electrical rating (80A, 600V), and verify the CE marking compliance. Ensure the disconnect is clearly labeled and includes proper lockout-tagout procedures to minimize downtime and enhance safety.
The ER3R-80N3PR is rated for 80 A at 600 V and features a NEMA 3R enclosure. It carries CE marking to indicate compliance with European standards. This combination supports reliable indoor and outdoor service in harsh environments, reduces regulatory risk, and aligns with common industrial protection protocols for control circuits.
Yes, this is a non-fused enclosed rotary disconnect. This means the unit provides isolation without internal fusing, allowing you to carry forward with protective devices upstream. Wiring should be sized for 80 A and 600 V, with proper short-circuit protection located in the main distribution path. Non-fused disconnects simplify field maintenance and reduce replacement costs when only isolation is required.
Yes. The NEMA 3R enclosure rating indicates suitability for outdoor and damp indoor environments, offering rain and weather resistance suitable for many industrial installations. When planning installations, consider environmental conditions and ensure proper enclosure mounting, drainage, and protection against impact to maintain long-term reliability.
Deploying the ER3R-80N3PR can reduce maintenance time through quick pistol-handle operation and safer isolation, lowering arc flash exposure. Its rugged NEMA 3R CE-marked construction improves uptime in demanding environments, potentially reducing downtime costs and replacement expenses. When paired with preventive maintenance schedules, this unit supports faster service changes and compliant, safer control panels.