Eaton ER4P-600J3PR Enclosed Rotary Disconnect - NEMA 4P
Part Number: ER4P-600J3PR
Quick Summary
The Eaton ER4P-600J3PR enclosed rotary disconnect switch isolates motor circuits safely for industrial electrical systems. Maintenance teams struggle with difficult access, weather exposure, and the risk of inadvertent energization during servicing. This unit is CE Marked and uses a NEMA 4P enclosure to provide rugged protection in harsh environments, while its fuse-type J protection aligns with common Bussmann series standards. Designed for reliability and ease of integration, it supports 600 V and 600 A service with a pistol handle and safe isolation as part of a broader plant protection strategy. By standardizing on this enclosure, engineering teams simplify procurement, improve uptime, and reduce maintenance risk across critical motor circuits.
Product Information
Extended Description
ER4P-600J3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type J, Pistol handle, 600V, 600A, Red, NEMA rating 4P
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4P-600J3PR
UPC
051712416245
Product Length/Depth
12 in
Product Height
12.25 in
Product Width
7.5 in
Product Weight
11.24 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
600A
NEMA rating
NEMA 4P
Voltage rating
600 V
Special features
Fuse type J, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4P-600J3PR
Enclosed rugged NEMA 4P construction provides weatherproof protection, reducing corrosion risk and unplanned downtime while extending service intervals for outdoor switchgear and washdown areas. This translates to lower maintenance costs and higher equipment availability in harsh environments. The 600A, 600V rating supports large motor circuits with a single device, enabling streamlined protection schemes and a lower total cost of ownership for conveyors, pumps, and compressors. Fuse type J with a pistol handle delivers fast, safe disconnection and intuitive operation, enhancing maintenance workflows, reducing lockout time, and minimizing energization risks during servicing. CE marking and NEMA 4P conformance address regulatory and safety requirements, accelerating approvals for multinational installations and simplifying supplier qualification. Compact dimensions (12 in L x 12.25 in H x 7.5 in W) and a weight of 11.24 lb provide a practical footprint for retrofit projects and new builds, ensuring easy mounting and wiring in standard enclosures. The unit aligns with Bussmann series protection strategies, supporting familiar fuse types and protective coordination to improve overall plant reliability and uptime.
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FAQs
Installation should follow the manufacturer’s datasheet, starting with securing the enclosure to a clean, vibration-free mounting surface, wiring the 600V, 600A circuit to the input/output terminals, and engaging the pistol handle for safe operation. Verify the fuse type J protection and confirm CE marking compliance. Use proper lockout/tagout procedures and ensure cable routing meets local code requirements.
The ER4P-600J3PR is rated for 600A continuous amperage and 600V nominal voltage, with a NEMA 4P enclosure for environmental protection. It uses fuse type J protection and features a pistol handle for safe manual operation, suitable for isolating medium‑voltage motor circuits in harsh environments.
This unit’s NEMA 4P enclosure is designed for protection against dust, water, and corrosion, making it appropriate for outdoor installations, washdown areas, and challenging indoor environments. It provides a robust isolation point for maintenance and fault isolation while maintaining compliance with CE standards for international use.
Yes. The ER4P-600J3PR is CE Marked, indicating conformity with applicable European safety, health, and environmental requirements. This supports cross-border deployments and simplifies supplier qualification for multinational projects that require CE compliance.
The device provides a single, reliable isolation point for large motor circuits, reducing downtime during maintenance and speeding up shutdowns. Its rugged enclosure, standard Bussmann fuse-type protection, and pistol handle contribute to safer servicing, predictable replacement intervals, and improved uptime, delivering a favorable total cost of ownership over the equipment’s lifecycle.