Eaton ER4X-400N3PR Enclosed Rotary Disconnect Switch - NEMA 4X
Part Number: ER4X-400N3PR
Quick Summary
ER4X-400N3PR is an enclosed rotary disconnect switch designed to safely isolate power in electrical enclosures. Engineers often grapple with compact, non-fused disconnects that compromise safety and complicate maintenance in harsh environments. This unit carries CE marking, a NEMA 4X enclosure rating, and a 600 V / 400 A electrical specification to address reliability and compliance in industrial panels. Built for Eaton Bussmann series deployments, it supports pistol-handle operation and straightforward integration, delivering improved uptime and safer plant workflows while reducing spare-part and downtime costs.
Product Information
Extended Description
ER4X-400N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 400A, Red, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-400N3PR
UPC
051712420358
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
400A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4X-400N3PR~ENC DISC400NF NEMA4XS RED
ER4X-400N3PR~ENC DISC400NF NEMA4XS RED
Eaton Specification Sheet - ER4X-400N3PR
Feature → Business Impact → Application: Non-fused design reduces spare parts and maintenance complexity, enabling faster line start-ups and safer lockout procedures in control panels, ideal for machine control and power distribution. Feature → Business Impact → Application: Fully enclosed NEMA 4X construction provides corrosion and washdown resistance, lowering corrosion-related failures in harsh environments such as food, beverage, and chemical processing plants. Feature → Business Impact → Application: 600 V and 400 A ratings support demanding industrial circuits, improving reliability in high-load applications like packaging lines and CNC machines. Feature → Business Impact → Application: Pistol handle operation enables quick, one-hand disengagement with clear visual status, reducing cycle times during maintenance and changeovers. Feature → Business Impact → Application: CE marking confirms global regulatory compliance, easing cross-border installation and reducing project risk in multi-site deployments.
Get a Quick Quote for a Eaton ER4X-400N3PR
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton ER4X-400N3PR?
Enquire Now
FAQs
Yes. The ER4X-400N3PR is an enclosed, non-fused rotary disconnect switch in the Eaton Bussmann series, designed for integration with common control panels and compatible with standard Bussmann accessories. It features a pistol handle for quick operation and is CE marked for global deployment.
The device is rated for 400 A continuous current, 600 V maximum voltage, and conforms to a NEMA 4X enclosure standard, providing protection against exposure to dust, water, and washdowns in harsh environments.
Yes. The NEMA 4X enclosure rating indicates suitability for washdown and corrosive environments, making it appropriate for manufacturing floors, food processing lines, and other demanding facilities while maintaining safety and reliability.
Plan for panel-mount installation in standard electrical enclosures, ensuring proper wiring to support 400 A loads at up to 600 V. The pistol-handle design supports quick engagement/disengagement, and the non-fused construction simplifies maintenance cycles and routine testing.
The non-fused design reduces spare-parts usage and failure points, while CE compliance and NEMA 4X protection help meet regulatory and safety requirements across sites. This translates to lower downtime, easier compliance audits, and faster maintenance, delivering a favorable total cost of ownership in automated facilities.