Eaton ER4X-800N3PB Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER4X-800N3PB
Quick Summary
The Eaton ER4X-800N3PB is an enclosed rotary disconnect switch used to isolate power in electrical panels. Maintenance teams often wrestle with unsafe energization, accidental re-energization, and downtime when field operation is slow or uncertain. It carries CE marking and a NEMA 4X rating, delivering weather resistance and compliance for outdoor, wash-down, or harsh indoor environments. The non-fused design paired with a pistol-style handle supports safe, ergonomic operation, quick installation, and easier training for technicians. Rated for 800 A at 600 V, this switch scales to mid- and large-feeder applications, reducing downtime and supporting robust protection strategies across manufacturing and infrastructure projects.
Product Information
Extended Description
ER4X-800N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 800A, Black, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-800N3PB
UPC
051712420853
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
800A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4X-800N3PB
Feature: Enclosed Bussmann series non-fused rotary disconnect with pistol handle; Business Impact: Safe, ergonomic operation reduces operator exposure and accelerates routine switchings; Application: Control panels and feeder disconnects in medium to large electrical rooms. The 800 A at 600 V rating enables reliable isolation for motor feeders without upstream reconfiguration. Feature: NEMA 4X enclosure; Business Impact: Weather and washdown resistance minimizes corrosion risk and maintenance, extending service life; Application: Industrial environments, outdoor enclosures, and damp interiors. Feature: CE compliance; Business Impact: Regulatory alignment simplifies global deployment and minimizes compliance costs; Application: International projects and across multi-site facilities. Feature: Non-fused design; Business Impact: Simplified maintenance and faster replacement in preventive programs; Application: Systems where upstream protection devices are already selected. Feature: Pistol-style handle; Business Impact: Safer, one-handed operation under load; Application: Routine servicing and panel assembly training. Feature: Scalable rating for mid- to large-feeder panels; Business Impact: Supports future plant expansion without replacing disconnects; Application: Motor control centers and service disconnects in manufacturing and infrastructure.
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FAQs
The ER4X-800N3PB is designed for 600 V systems and 800 A feeder applications, suitable for electrical panels, motor control centers, and service disconnects. Its enclosed, non-fused design with a pistol handle supports safe installation and straightforward field upgrades, while CE marking confirms global compliance for industrial environments.
Key ratings are 800 A continuous current and 600 V voltage, with a NEMA 4X enclosure. These specs inform suitability for medium to large feeders in harsh environments, enabling reliable isolation of large motors and power circuits while meeting safety and regulatory requirements in demanding facilities.
Yes. The NEMA 4X enclosure provides protection against water, dust, and corrosion typical in outdoor and washdown areas. Combined with CE compliance, this model is appropriate for both exposed outdoor panels and rugged indoor environments where environmental resistance is essential.
This model carries CE marking and a NEMA 4X enclosure rating. While it is non-fused, its certification and enclosure rating support safe operation, regulatory alignment, and compatibility with global industrial codes in diverse facilities.
The non-fused, pistol-handle design simplifies operation and reduces maintenance time during routine testing and servicing. Its rugged enclosure lowers corrosion-related downtime, contributing to shorter outages, easier training, and a smoother path to compliance and reliable uptime in mid-to-large scale installations.