Eaton ER4X-100N3PB Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER4X-100N3PB
Quick Summary
ER4X-100N3PB is an enclosed rotary disconnect switch used to safely isolate power in industrial electrical systems. Addressing arc-flash risk and misoperation, its non-fused, pistol-handle design ensures reliable isolation during maintenance. It carries CE marking and a NEMA 4X enclosure, rated for 600 V and 100 A, making it suitable for harsh environments. For procurement teams, the Eaton Bussmann series solution reduces downtime, simplifies panel integration, and supports compliant electrical protection across multiple manufacturing lines.
Product Information
Extended Description
ER4X-100N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 100A, Black, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-100N3PB
UPC
051712488389
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
100A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4X-100N3PB~ENCLOSED DISCONNECTS
ER4X-100N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4X-100N3PB
Non-fused operation reduces spare parts, minimizes nuisance fuse trips, and simplifies field diagnostics, delivering faster maintenance windows and lower total maintenance costs in control panels and machine disconnects. The pistol-handle design enables ergonomic actuation, improving operator safety and reducing fatigue during routine isolation tasks in high-cycle environments. With a 600 V, 100 A rating, ER4X-100N3PB supports mid-power circuits, enabling reliable isolation without oversized components, which translates to compact, cost-effective panel layouts and easier retrofits. The NEMA 4X enclosure provides robust protection against dust, moisture, and corrosive environments, extending lifecycle in outdoor or harsh indoor applications and lowering environmental risk. CE marking confirms global compliance, streamlining procurement across multinational sites and ensuring consistent electrical protection standards. Its compatibility with the Eaton Bussmann series ecosystem supports straightforward inventory management and faster installation for new lines or line expansions.
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FAQs
When integrating ER4X-100N3PB, ensure proper panel cutout alignment for the enclosure, confirm wiring polarity and secure lugs rated for 600 V, and follow standard isolation switch installation practices. The pistol-handle design supports ergonomic operation during maintenance, reducing the risk of accidental energization. Verify CE compliance and fit within the existing Bussmann series inventory for streamlined replacements.
Yes. The device is rated for 600 V and 100 A, making it suitable for medium-voltage control circuits within industrial environments. Its non-fused construction provides a simple isolation path, while the NEMA 4X enclosure offers protection against dust and water exposure. Ensure your panel architecture accommodates a non-fused disconnect in the intended service point.
ER4X-100N3PB carries CE marking and uses a NEMA 4X enclosure, indicating suitability for damp, dusty, or corrosive environments. The combination supports compliant installation in many continental markets and outdoor or harsh indoor settings. Confirm local electrical standards and any site-specific approvals for full regulatory alignment.
The non-fused design eliminates the need for fuse management in the disconnect path, reducing spare-part requirements and potential fuse-related delays. Maintenance staff can perform isolation more quickly, with fewer components to inspect. Safety is enhanced through a robust pistol-handle operation and reliable electrical isolation during servicing, minimizing arc-flash exposure and misoperation risks.
Expected ROI comes from reduced downtime during maintenance, faster isolation cycles, and lower spare-parts costs due to the non-fused design. The CE and NEMA 4X specifications support consistent performance across multiple sites, reducing commissioning time and enabling standardized installation. Over the equipment lifecycle, this translates to improved uptime, safer operation, and lower total cost of ownership.