Eaton ER3R-25N3PB Enclosed Rotary Disconnect - NEMA 3R
Part Number: ER3R-25N3PB
Quick Summary
Eaton Bussmann series enclosed rotary disconnect switch is designed to safely isolate power in electrical distribution panels. For engineers and maintenance teams, inconsistent shutdown points or exposed circuitry can create safety risks and extended downtime. This unit carries CE Marking and a rugged NEMA 3R enclosure, with a 600 V, 25 A rating to withstand harsh environments. Its non-fused design and pistol handle support fast, controlled operation, while its compact footprint helps optimize panel layouts and reduce wiring complexity across industrial installations.
Product Information
Extended Description
ER3R-25N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 25A, Black, NEMA rating 3R
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-25N3PB
UPC
051712487641
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 3R
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER3R-25N3PB~ENCLOSED DISCONNECTS
ER3R-25N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER3R-25N3PB
Enclosed rotary disconnect switch with non-fused design → enhances safety by providing reliable electrical isolation, reducing arc-flash exposure during maintenance, and improving incident response times in control panels. 600 V, 25 A rating → supports common industrial load profiles, enabling a single device to cover a broad range of equipment without over-sizing. Pistol handle → delivers ergonomic, one-handed operation that speeds service interruptions and minimizes operator fatigue in tight spaces. NEMA 3R enclosure → ensures dependable performance in outdoor or damp environments, lowering corrosion risk and extending service life in harsh plants. CE marked → supports global compliance and regulatory traceability, simplifying procurement for multi-site deployments and audits. These features collectively improve uptime, simplify installation, and reduce total cost of ownership for panel builders and end users in manufacturing and utility settings.
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FAQs
ER3R-25N3PB is listed as an enclosed rotary disconnect switch in the Eaton Bussmann series catalog. It is designed to be used as the non-fused disconnect in distribution panels and outdoor enclosures. When selecting a catalog reference, verify the box rating, enclosure type, and mounting configuration to ensure seamless integration with existing Eaton components and panel layouts.
The ER3R-25N3PB provides a 25 A amperage rating and a 600 V voltage rating. It is non-fused and rated for NEMA 3R enclosures, making it suitable for both indoor and outdoor installations where robust isolation is required. These specifications support typical industrial load profiles while maintaining safe, controlled disconnection during maintenance.
Yes. The ER3R-25N3PB features a NEMA 3R enclosure rating, which is engineered for outdoor and damp environments. Its non-fused construction with a pistol handle supports safe and efficient operation in field service and utility setups, while CE marking confirms compliance with applicable European standards for equipment safety.
The ER3R-25N3PB carries CE Marking, indicating conformity with relevant European safety requirements. The device is also rated for NEMA 3R enclosures, which reflects its suitability for protected indoor or outdoor use. These attributes help with regulatory approval, cross-border procurement, and consistent safety practices across sites.
Using the ER3R-25N3PB can reduce maintenance time by providing a fast, one-handed pistol-handle operation and a reliable non-fused disconnect that simplifies electrical isolation. The NEMA 3R enclosure allows outdoor deployment, reducing enclosure swaps and related downtime. Over the equipment lifecycle, this translates to lower maintenance costs and improved overall uptime for industrial control systems.