Eaton ER4-16N3PB Enclosed Rotary Disconnect - NEMA 4
Part Number: ER4-16N3PB
Quick Summary
ER4-16N3PB is an enclosed rotary disconnect switch used to isolate electrical circuits in control panels. Maintenance teams often face slow lockout procedures and safety risks, which this non-fused unit with a pistol handle helps to mitigate by enabling quick, snap-action disconnection. It carries CE marking, NEMA 4 enclosure protection, and ratings up to 600 V and 16 A, aligning with common industrial codes. For OEMs and panel shops, this solution fits neatly into existing Eaton Bussmann lineups, streamlining procurement, replacement cycles, and compliance documentation while delivering reliable isolation in demanding environments. This translates to reduced downtime and clearer sourcing for maintenance teams.
Product Information
Extended Description
ER4-16N3PB Eaton: ES-CPD-Eaton Bussmann Rotary Disconnects, Non-fused, Pistol handle, 16A, Black, NEMA rating 4, 600V
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-16N3PB
UPC
051712487535
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
16A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4-16N3PB~ENCLOSED DISCONNECTS
ER4-16N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4-16N3PB
Feature → Non-fused operation with a pistol-style handle enables safe, fast isolation. Business Impact → Reduces arc flash exposure and shortens lockout times, boosting operator safety and productivity. Application → Ideal for control panels in machine automation lines where frequent isolation is required and where operators must maintain high productivity without compromising safety. Feature → 16 A, 600 V rating with a NEMA 4 enclosure provides robust electrical protection. Business Impact → Supports standard industrial loads while maintaining reliability in dusty or wet environments. Application → Suitable for factory floors, washdown areas, and outdoor installations where rugged isolation is needed. Feature → CE marking and regulatory compliance simplify global sourcing. Business Impact → Streamlines documentation and audits, speeding project approval. Application → Beneficial for OEMs delivering to EU markets and for integrators maintaining compliance across sites. Feature → Compact form factor and integration-friendly design reduces panel footprint. Business Impact → Saves space, simplifies wiring, and accelerates panel upgrades or retrofits. Application → Retrofit projects and new builds in constrained enclosures or standardized Eaton Bussmann ecosystems. Feature → Durable, low-maintenance non-fused design minimizes spare parts and service intervals. Business Impact → Lowers total cost of ownership through fewer components and quicker replacements. Application → Production lines seeking predictable maintenance schedules and reduced downtime.
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FAQs
Installing the ER4-16N3PB requires ensuring a suitable panel cutout and clearance for the pistol-style handle. Use standard enclosure hardware, follow lockout/tagout procedures during maintenance, and wire according to the 16A, 600V rating. The device is designed to integrate with Eaton Bussmann series components, aiding consistent installation practices across panels.
The switch is rated for 16 A at up to 600 V and comes in a NEMA 4 enclosure. It is non-fused and CE marked, providing reliable isolation for standard industrial loads while meeting essential safety and compliance requirements in both North American and international installations.
Yes. The NEMA 4 enclosure rating protects against dust and water ingress in harsh environments, making it suitable for outdoor or damp industrial settings where reliable isolation and safety are critical for control circuits.
Key certifications include CE marking and the NEMA 4 enclosure rating, along with a 600 V, 16 A electrical specification. These attributes support EU regulatory compliance and robust protection in industrial environments, simplifying procurement for multi-site operations and aiding regulatory documentation.
The non-fused design reduces spare parts and maintenance complexity, enabling faster disconnections and shorter downtime during servicing. This, combined with reliable NEMA 4 protection and straightforward integration with the Eaton Bussmann ecosystem, leads to lower total cost of ownership and more predictable maintenance cycles for production lines.