Eaton ER4X-16N3PB Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER4X-16N3PB
Quick Summary
The Eaton ER4X-16N3PB rotary disconnect switch provides a reliable, enclosed isolation solution for electrical distribution panels. Maintenance teams often face challenges achieving safe, rapid shutdown in compact control enclosures, risking equipment damage during servicing. This unit is CE marked and housed in a rugged NEMA 4X enclosure, offering corrosion resistance and dependable operation in harsh environments. Its non-fused design, pistol handle, and compact footprint streamline installation, reduce downtime, and simplify spare parts inventory for industrial protection and control applications.
Product Information
Extended Description
ER4X-16N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 16A, Black, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-16N3PB
UPC
051712487542
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 4X
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4X-16N3PB~ENCLOSED DISCONNECTS
ER4X-16N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4X-16N3PB
Feature: Non-fused design with pistol handle. Business Impact: Simplifies safe isolation and reduces maintenance exposure, lowering the risk of accidental energization during servicing. Application: Ideal for control panels in industrial facilities where quick, secure disconnection is required without the complexity of fusing components. Feature: 600 V voltage rating and 16 A current rating. Business Impact: Supports typical mid‑scale power distribution tasks with reliable interrupting capacity, improving system safety and alignment with standard panel hardware. Application: Suitable for equipment enclosures and machinery control circuits in manufacturing environments seeking compliant switching solutions. Feature: Enclosed, NEMA 4X enclosure. Business Impact: Delivers robust protection against dust, water ingress, and corrosion, reducing maintenance frequency and downtime in washdown or outdoor settings. Application: Best for process plants, food and beverage facilities, and outdoor installations where environmental sealing is critical. Feature: CE marked compliance. Business Impact: Facilitates global procurement and regulatory alignment, reducing approval cycles and vendor qualification time. Application: Supports multinational deployments and cross-border projects where EU compliance is mandated. Feature: Compact form factor with lightweight profile. Business Impact: Eases installation, retrofits, and space-constrained mounting, cutting labor costs and enabling faster changeovers. Application: Useful for retrofitting in legacy panels or densely packed control cabinets across industrial automation installations.
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FAQs
To install the ER4X-16N3PB, mount the device in a suitable enclosure, connect the load and line conductors to the appropriate terminals, and verify the pistol handle operation for full engagement and disconnection. Ensure the unit remains non-fused and that the enclosure maintains the NEMA 4X rating for protection. Follow standard lockout/tagout procedures during installation.
The ER4X-16N3PB is rated for 600 V and 16 A, with a NEMA 4X enclosure protecting the switch from dust, water, and corrosion. It is non-fused, which affects isolation strategy, and is CE marked to support regulatory compliance in international deployments.
Yes. The NEMA 4X enclosure provides protection against washdown, moisture, and corrosive environments, making it appropriate for outdoor installations and process facilities where environmental sealing is essential. The CE marking further supports use in regulated environments outside the U.S.
The ER4X-16N3PB carries CE Marking, indicating conformity with applicable European safety standards. Its rugged NEMA 4X enclosure also signals suitability for harsh environments. These certifications simplify cross-border sourcing and qualification processes for global projects.
Using a non-fused disconnect simplifies the protection scheme, reducing component count and spare parts inventory. It enables faster shutdown and restart during maintenance, lowering downtime and enhancing overall equipment availability—especially valuable in high-cycle industrial environments.