Eaton ER4-40N6SR Enclosed Rotary Disconnect - NEMA 4
Part Number: ER4-40N6SR
Quick Summary
ER4-40N6SR is an enclosed rotary disconnect switch used to safely isolate electrical circuits in industrial control panels. This design addresses downtime and safety gaps by offering a clearly labeled, non-fused isolation point that reduces accidental energization during maintenance and lockout/tagout procedures. CE marking and a NEMA 4 enclosure position the unit for European compliance and use in harsh environments, including washdown areas. With a 600 V rating and 40 A capacity, it supports a wide range of control circuits while maintaining compact integration with Eaton Bussmann series components. For machine builders and panel shops, the ER4-40N6SR delivers predictable performance, quick installation, and consistent electrical protection across preventive maintenance cycles.
Product Information
Extended Description
ER4-40N6SR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Selector, 600V, 40A, Red, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-40N6SR
UPC
051712414753
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
40A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Selector
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4-40N6SR
Feature: Enclosed rotary disconnect design provides a robust isolation point for electrical circuits. Business impact: It minimizes accidental energization and enhances lockout/tagout reliability, reducing maintenance time and safety incidents. Application: Ideal for control panels and machine enclosures where predictable, field-serviceable isolation is essential for uptime. Feature: 40 A amperage rating aligns with common motor control and control circuit loads without oversizing hardware. Business impact: This balance lowers component costs, simplifies protection coordination, and improves panel density. Application: Suitable for mid-range drives, heat-pump controllers, and automation circuits in manufacturing lines. Feature: 600 V voltage rating supports standard industrial power distribution with straightforward integration. Business impact: Users avoid extra transformers or step-down arrangements, speeding up commissioning and reducing wiring complexity. Application: Works across conveyors, presses, and automation devices in factory environments. Feature: NEMA 4 enclosure with CE marking delivers environmental resilience and European compliance. Business impact: Enables safe washdown and outdoor installation while meeting regulatory expectations, boosting supplier confidence and reducing rework. Application: Food and beverage, chemical processing, and outdoor equipment housings require durable isolation solutions. Feature: Non-fused selector operation simplifies maintenance and stocking by eliminating fuse changes and spare replacements. Business impact: Lowers total cost of ownership through fewer parts and faster fault isolation. Application: Retrofit projects and new installations in existing Eaton Bussmann series ecosystems. Feature: Compact footprint and light weight support easy integration into crowded panels and new builds. Business impact: Reduces installation time, minimizes panel space usage, and improves service accessibility. Application: Panel shops and systems integrators deploying Eaton Bussmann components across multiple projects.
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FAQs
ER4-40N6SR is designed for integration into typical industrial control panels that require a clearly labeled, non-fused isolation switch. Its 600 V rating and 40 A capacity align with common panel architectures, while the NEMA 4 enclosure supports washdown environments. Ensure proper mounting, clear labeling, and adherence to lockout/tagout procedures during installation.
The ER4-40N6SR provides a 600 V voltage rating, 40 A amperage rating, and a NEMA 4 enclosure. It is non-fused and uses a selector mechanism for isolation. These specs make it suitable for mid-range control circuits and equipment in industrial settings, with CE compliance for broader market use.
Yes. The ER4-40N6SR carries CE marking, indicating compliance with applicable European directives. This, combined with its NEMA 4 enclosure, supports reliable performance in systems exposed to dust, water, and washdown conditions across European facilities and global deployments.
Ideal for control panels, machine isolation points in manufacturing lines, and power distribution nodes in harsh environments. It is particularly well-suited for machine builders, plant engineers, and retrofit projects that require quick, safe isolation with a compact, non-fused selector switch within the Eaton Bussmann ecosystem.
The non-fused selector design reduces spare parts needs and simplifies fault isolation, cutting maintenance downtime. The combination of CE compliance, NEMA 4 protection, and straightforward operation accelerates commissioning and reduces risk of accidental energization, contributing to lower total cost of ownership over the equipment’s lifecycle.