Eaton ER4-63N3PB Enclosed Rotary Disconnect - NEMA 4
Part Number: ER4-63N3PB
Quick Summary
Eaton ER4-63N3PB is an enclosed rotary disconnect switch used to safely isolate electrical circuits in industrial control panels. In practice, improper isolation can trigger downtime, arc flash hazards, and costly maintenance. This CE-marked device carries a NEMA 4 enclosure rating, supports up to 600 V and 63 A, and aligns with rugged industrial standards. Designed for fast, safe operation, it complements the Eaton Bussmann series protection lineup and simplifies wiring in compact control enclosures. By combining rugged construction with straightforward installation, this switch helps engineers meet safety standards while reducing spare-part inventories and project timelines.
Product Information
Extended Description
ER4-63N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 63A, Black, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-63N3PB
UPC
051712487894
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
63A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4-63N3PB
Feature: Enclosed, non-fused rotary disconnect with a pistol handle. Business impact: Reduces arc flash exposure and simplifies operator interaction, speeding safe isolation. Application: Ideal for control panels in harsh factory environments where quick, reliable disengagement is required. Feature: 600 V electrical rating and 63 A capacity. Business impact: Supports common industrial loads without overstressing the switch, enabling predictable performance and longer service life. Application: Suitable for machine isolation and equipment protection in mid-range industrial circuits. Feature: NEMA 4 enclosure rating. Business impact: Provides dust, splash, and weather resistance, reducing protection measure counts and maintenance frequency. Application: Fits indoor and protected outdoor installations in manufacturing lines. Feature: CE Marked compliance. Business impact: Facilitates regulatory conformity and smoother cross-border deployments, reducing project delays. Application: Global or multi-site panel builds requiring standardized safety certification. Feature: Compact footprint and lightweight design (0.1 in depth/width/height and 0.1 lb). Business impact: Eases retrofits in tight panels and accelerates installation without compromising strength. Application: Retrofit projects and new builds with space-constrained enclosures. Feature: Non-fused operation with pistol handle. Business impact: Simplifies wiring, lowers spare parts footprint, and shortens maintenance cycles. Application: Routine isolation tasks in process lines and machine cells.
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FAQs
ER4-63N3PB is designed for standard panel mounting with straightforward wiring to 600 V circuits. Plan for a compact footprint, route conductors to the 63 A-rated path, and follow lockout/tagout practices to ensure safe, reliable isolation during maintenance. The pistol handle provides positive engagement, aiding quick, safe operation within tight enclosures.
The device is rated for 600 V and 63 A with a non-fused configuration and a NEMA 4 enclosure. It carries CE Marking for regulatory compliance and is designed for robust isolation performance in industrial panels, delivering predictable operation in mid-range loads.
Yes. The NEMA 4 enclosure provides dust and splash resistance, making it appropriate for indoor and sheltered outdoor installations in harsh manufacturing environments. Always install with appropriate enclosure protection and follow local environmental guidelines.
ER4-63N3PB is CE marked, indicating compliance with applicable European safety standards. The NEMA 4 enclosure rating further supports compliance with environmental protection requirements in factories and controlled outdoor areas, aiding cross-border panel builds and audit readiness.
The non-fused design reduces spare-part variety and simplifies wiring, which lowers inventory costs. The enclosed, pistol-handled switch shortens maintenance windows and minimizes downtime during isolation tasks, delivering faster service, easier training for technicians, and improved line productivity.