Eaton ER4X-30J3PR Enclosed Rotary Disconnect Switch - NEMA 4X
Part Number: ER4X-30J3PR
Quick Summary
ER4X-30J3PR is an enclosed rotary disconnect switch designed to safely isolate 600 V circuits in industrial equipment. This unit helps maintenance teams avoid arc flash exposure and unplanned downtime during servicing. CE marked and NEMA 4X rated, it also aligns with standard industrial controls while delivering reliable isolation. For panel builders and maintenance teams, this compact, pistol-handle disconnect supports fast installation and consistent safety compliance.
Product Information
Extended Description
ER4X-30J3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type J, Pistol handle, 600V, 30A, Red, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-30J3PR
UPC
051712415606
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
30A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Fuse type J, Pistol handle
ER4X-30J3PR~ENC DISC30J NEMA4XSS RED
ER4X-30J3PR~ENC DISC30J NEMA4XSS RED
Eaton Specification Sheet - ER4X-30J3PR
Feature → Enclosed rotary disconnect with NEMA 4X enclosure and 600 V rating provides robust protection against environmental ingress, reducing maintenance interruptions and safeguarding personnel. Business Impact → Fewer nuisance trips, lower repair costs, and safer lockout-tagout execution in wet or dusty plant environments. Application → Ideal for factory automation panels, machine control circuits, and outdoor installations where reliability matters. Feature → Fuse type J compatibility enhances selective protection and quick fault clearing, minimizing arc flash risk and equipment damage. Business Impact → Improves uptime and safety margins, enabling faster root-cause analysis during faults. Application → Motor control centers and machine safety interlocks in high-usage production lines. Feature → Pistol handle design delivers intuitive, ergonomic operation even with gloved hands. Business Impact → Reduces operator fatigue, accelerates routine operations, and supports compliant lockout-tagout practices. Application → Service entrances, field repairs, and maintenance bays where frequent switching occurs. Feature → Compact footprint and lightweight construction simplify integration into crowded panels and limited spaces. Business Impact → Accelerates panel layout, reduces enclosure changes, and lowers installation costs. Application → Retrofits and new equipment in space-constrained environments. Feature → CE marking and rugged construction align with global safety and reliability expectations for industrial protection & circuit control. Business Impact → Streamlines procurement, supports regulatory compliance, and enhances long-term asset value. Application → Global manufacturing, process lines, and equipment upgrades where standards adherence matters.
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FAQs
ER4X-30J3PR uses fuse type J protection and is designed for standard electrical protection schemes in industrial panels. Its 600 V rating and NEMA 4X enclosure support common control circuits and enclosure standards, enabling straightforward integration into existing panel builds and facilitating consistent protection across machinery, robotics cells, and MCCs.
Plan for proper isolation during installation, observe lockout-tagout procedures, and ensure wiring gauge matches 30 A ratings. Use appropriate mounting hardware for panel door clearance and verify gasket integrity to maintain NEMA 4X protection. Terminations should follow manufacturer torque specs to prevent overheating and ensure reliable switching performance.
Yes. The NEMA 4X enclosure provides protection against corrosion, wind-blown dust, and washdown-like conditions, making it suitable for outdoor or damp environments typical of industrial facilities. It is not explosion-proof, so applications involving hazardous atmospheres require additional compliance review, but it excels in standard process and manufacturing settings.
The ER4X-30J3PR is CE marked, indicating conformity with European safety, health, and environmental requirements. Its NEMA 4X enclosure rating ensures resilience in harsh industrial environments. These certifications matter because they simplify procurement, support regulatory compliance, and reduce risk when integrating into global manufacturing and maintenance programs.
By providing reliable isolation with a pistol-handle design and robust enclosure, the ER4X-30J3PR lowers downtime during maintenance and enhances worker safety, reducing arc flash exposure. Its durable construction minimizes replacement cycles, improves maintenance planning, and supports faster repair turnarounds, delivering measurable cost savings over asset lifecycles.