Eaton ER1-25N6SB Enclosed Rotary Disconnect - NEMA 1
Part Number: ER1-25N6SB
Quick Summary
Eaton ER1-25N6SB enclosed rotary disconnect switch isolates power safely in electrical control panels. Operators and maintenance teams often face downtime when devices are mis-rated or hard to access for isolation and lockout. This CE-marked unit offers a NEMA 1 enclosure rating and 600 V, 25 A capability, supporting compliant, indoor panel installations. By integrating this compact disconnect into your electrical protection & circuit control strategy, you reduce installation time, improve safety, and simplify routine maintenance and troubleshooting for industrial applications.
Product Information
Extended Description
ER1-25N6SB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Selector, 600V, 25A, Black, NEMA rating 1
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER1-25N6SB
UPC
051712414401
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
25A
NEMA rating
NEMA 1
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 - ER1-25N6SB
Feature: Non-fused, selector design. Benefit: Simplifies wiring, reduces stock needs, and minimizes spare parts; this leads to faster maintenance and fewer downtime delays. Application: Ideal for panel boards and control circuits in manufacturing lines. Business Impact: Faster changeouts and easier lockout/tagout procedures reduce incident risk and labor costs. Feature: 600 V, 25 A electrical rating. Benefit: Provides reliable isolation for common control circuits and small motor loads without oversizing infrastructure. Application: Suitable for machine tools, conveyors, and process equipment. Business Impact: Lower electrical capital expense with appropriate headroom and improved first-time right installations. Feature: NEMA 1 enclosure. Benefit: Indoor protection against dust ingress and incidental moisture, extending component life. Application: Control panels in dry factory environments and crowded electrical rooms. Business Impact: Reduced maintenance cycles and longer service intervals. Feature: CE marking and documented compliance. Benefit: Facilitates cross-border deployment and supplier audits with confidence. Application: End-user environments requiring European conformity in panel assemblies. Business Impact: smoother procurement, faster time-to-value, and aligned safety standards. Feature: Compact footprint (0.1 in dimensions) and light weight. Benefit: Enables retrofit into tight enclosures and reduces panel depth. Application: Small-form factor installations and upgrade projects. Business Impact: Lower installation complexity and space optimization across facilities. Documentation availability: Datasheets and catalogs support fast, accurate installation and commissioning.
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FAQs
Ensure power is disconnected and follow standard lockout procedures. Verify panel clearance for the device footprint, mount the unit onto a suitable mounting surface, and connect the control wiring according to the Eaton specification sheet. Use the proper terminals and verify the 600 V rating before energizing. The accompanying datasheet provides step-by-step mounting and wiring diagrams to minimize commissioning time.
The ER1-25N6SB is rated for 25 A at up to 600 V, suitable for most standard control circuits and small motor loads. It is non-fused, which affects how you implement protection upstream in the panel. Ensure your application’s fault current, starter requirements, and wiring gauge align with these ratings to maintain safe isolation and compliance.
The 25 A, 600 V rating and non-fused, selector design make it suitable for indoor control panels and smaller motor control tasks within MCCs or standalone equipment. For large MCC sections or high-inrush drives, verify that the current and fault protection strategy align with your system’s motor starting characteristics and coordination with upstream protection devices.
The unit is CE marked and rated NEMA 1 for indoor use. These certifications support compliance with European standards and standard indoor enclosure requirements. If your project requires additional certifications (for example, UL or IP ratings), you may need to evaluate supplementary components or an alternative device that meets those specific requirements.
Because it is non-fused and designed for straightforward isolation, maintenance needs are minimized compared with fuse-based switches. The compact form factor simplifies retrofits, potentially lowering installation labor and panel modification costs. The CE/NEMA 1 configuration supports predictable lifecycle performance, contributing to reduced downtime and faster line throughput.