Eaton ER4X-100CF2PR Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER4X-100CF2PR
Quick Summary
ER4X-100CF2PR enclosed rotary disconnect switch is designed to safely isolate electrical circuits in MCCs and switchgear. This design addresses the common challenge of achieving complete isolation without exposing personnel to arc-flash risk during maintenance. The unit is CE marked and features a rugged NEMA 4X enclosure for durable outdoor and washdown service. For OEMs and service teams, it delivers reliable performance while reducing downtime and simplifying procurement by aligning with Bussmann series components and standard CF fuses. Its pistol handle enables ergonomic operation in tight spaces, and the 600 V, 100 A rating covers a broad swath of medium-power circuits. In applications ranging from motor control centers to panelboards, this disconnect supports safe, compliant switching with minimal installation complexity.
Product Information
Extended Description
ER4X-100CF2PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Pistol handle, 600V, 100A, Two-pole, Red, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-100CF2PR
UPC
051712748643
Product Length/Depth
11.8 in
Product Height
10.8 in
Product Width
9.84 in
Product Weight
6 lb
Compliances
CE Marked
Amperage Rating
100A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Fuse type CF, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4X-100CF2PR
Feature: Enclosed two-pole rotary disconnect with CF fuse type provides safe, proven isolation. Impact: Reduces arc-flash exposure and ensures reliable shutdown of controlled circuits. Application: Motor control centers and switchgear in industrial plants. The business outcome is consistent, code-compliant protection that lowers downtime during maintenance. Feature: Pistol-style handle enables quick, controlled operation. Impact: Improves operator safety and reduces manipulation errors. Application: Routine switching tasks in crowded control rooms. Result: Faster response times and safer lockout procedures. Feature: 600 V, 100 A rating supports medium-load circuits with headroom for startup surges. Impact: Flexible integration into mid-size drives and feeders. Application: Panel boards and MCC feeders. Benefit: Optimized component density and fewer mismatches in procurement. Feature: NEMA 4X enclosure delivers water and corrosion resistance. Impact: Extends service life in outdoor or washdown environments. Application: Industrial sites, outdoor racks, and humid facilities. Benefit: Lower replacement costs and better total cost of ownership. Feature: CE marking confirms regulatory alignment for European markets. Impact: Streamlines cross-border projects and supplier qualification. Application: Global deployments and OEM enclosures. Benefit: Simpler compliance and faster project onboarding. Feature: Compact footprint with precise dimensions (11.8 in L, 9.84 in W, 10.8 in H) and 6 lb weight. Impact: Easier panel integration and reduced installation time. Application: OEM panel designers and retrofit projects. Benefit: Space-efficient design lowers enclosure costs and shipping logistics.
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FAQs
ER4X-100CF2PR is a two-pole disconnect designed for integration with Bussmann series protection components, including CF fuse configurations, in motor control centers and switchgear. Its compact dimensions and 600 V/100 A rating make it suitable for mid-load panels and OEM enclosure designs.
Yes. The enclosure is rated NEMA 4X, providing robust protection against water and corrosion in outdoor and washdown environments, while CE marking supports European compliance for outdoor installations.
Plan for a two-pole installation with standard Bussmann-series components. The unit measures 11.8 in length, 9.84 in width, and 10.8 in height, weighs 6 lb, and requires appropriate mounting provisions and wiring per UL/IEC guidelines for 600 V circuits.
CF fuse type supports fast, reliable protection while enabling straightforward fuse replacement. The pistol-style handle enhances ergonomic operation and safer disconnection in tight panel spaces, reducing operator strain and handling errors during maintenance.
The combination of CE compliance, NEMA 4X rugged enclosure, and compatibility with Bussmann protection components reduces downtime, simplifies procurement, and extends service life in harsh environments, delivering lower total cost of ownership and faster project commissioning.