Eaton ER3R-800L3PB Enclosed Rotary Disconnect - NEMA 3R
Part Number: ER3R-800L3PB
Quick Summary
Eaton ER3R-800L3PB enclosed rotary disconnect switch provides safe isolation for 600 V feeders and motor circuits. Maintenance teams often battle unsafe lockout procedures and costly downtime when disconnecting power, making robust isolation essential. This unit carries CE Marking and a NEMA 3R enclosure rating to withstand outdoor or damp environments while delivering reliable high-current performance. With an 800 A rating and compatibility with Eaton Bussmann protection products, it simplifies procurement, installation, and compliance across industrial facilities. Designed for service entry points, feeders, and control panels, it integrates into existing electrical protection strategies to deliver measurable safety and reliability improvements.
Product Information
Extended Description
ER3R-800L3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse class L, Pistol handle, 600V, 800A, Black, NEMA rating 3R
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-800L3PB
UPC
051712416351
Product Length/Depth
47.5 in
Product Height
12.5 in
Product Width
36 in
Product Weight
19 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
800A
NEMA rating
NEMA 3R
Voltage rating
600 V
Special features
Fuse class L, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER3R-800L3PB
Feature: 800 A continuous amperage rating → Benefit: handles high-load circuits without overheating, enabling reliable power isolation in demanding facilities. Application: motor feeders and distribution panels in manufacturing lines see reduced thermal stress and longer component life. Feature: 600 V voltage rating → Benefit: broad compatibility with industrial motors and control circuits, enabling a single disconnect for mixed loads. Application: plant-wide switchgear where space and simplicity matter. Feature: NEMA 3R enclosure → Benefit: weather-resistant protection for outdoor and damp locations, reducing risk of contamination and downtime. Application: exterior panels, yard areas, and service entrances. Feature: Fuse class L, pistol handle → Benefit: fast, secure shutdown with built-in protection and easy one-handed operation, improving lockout/tagout efficiency. Application: routine maintenance and emergency clear-out in congested panel spaces. Feature: CE marking → Benefit: regulatory compliance and export readiness, simplifying procurement workflows. Application: global projects with strict European or international standards. Feature: Family integration with Bussmann series protection products → Benefit: streamlined sourcing and compatibility, lowering total cost of ownership. Application: design engineers can specify a complete protection scheme in a single order.
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FAQs
ER3R-800L3PB is designed to replace or augment standard enclosed rotary disconnects in industrial switchgear. It supports 600 V service and 800 A load, with a 47.5 in depth, 36 in width, and 12.5 in height footprint for compatible footprint panels. The pistol-style handle and fuse class L protection simplify integration with Eaton protection devices, while NEMA 3R enclosure ensures weather resistance in outdoor or damp locations. When planning installation, verify mounting dimensions, wiring conductor sizes, and clearance for safe operation and lockout/tagout procedures.
Key specifications include an 800 A amperage rating, 600 V voltage rating, and a NEMA 3R enclosure. The unit includes fuse class L protection and a pistol handle for quick operation. Compliance features include CE marking, making it suitable for global projects. The catalog number is ER3R-800L3PB, with UPC 051712416351, and the product is compatible with Eaton Bussmann series protection products to streamline protection strategies in motor control and feeder circuits.
Yes. The ER3R-800L3PB features a NEMA 3R enclosure, which provides weather-resistant protection suitable for outdoor panels and damp environments. Its CE marking supports regulatory compliance in many regions, and the 600 V / 800 A ratings ensure it can isolate power for high-load outdoor motor and feeder applications. When deploying outdoors, ensure proper mounting, weather exposure considerations, and routine inspection of seals and fasteners as part of a preventive maintenance plan.
Maintenance considerations focus on ensuring secure mechanical operation and electrical integrity. Regularly inspect the pistol-style handle for smooth operation, verify seal integrity on the enclosure, and check connections for tightness and corrosion. Because the unit is CE-marked and rated for NEMA 3R environments, routine outdoor suitability checks and periodic inspection of the fuse class L protection path are recommended to sustain safety and reliability over time.
The ER3R-800L3PB enhances safety by enabling secure lockout/tagout and fast isolation of power, reducing exposure of personnel to live circuits. High current rating and rugged enclosure minimize potential downtime due to fault isolation, while CE compliance and NEMA 3R rating support regulatory readiness and outdoor installations. Over time, this translates to lower maintenance costs, streamlined procurement with protection device compatibility, and a scalable protection strategy for motor control centers and distribution panels.