Eaton ER4X-100CF2PB Rotary Disconnect - NEMA 4X
Part Number: ER4X-100CF2PB
Quick Summary
Eaton ER4X-100CF2PB is an enclosed rotary disconnect switch used to safely isolate circuits in industrial panels and switchgear. This rugged device minimizes risk during maintenance by providing a clear, mechanical isolation path. For engineers and technicians, unreliable isolation is a costly bottleneck; this design emphasizes reliability, safe operation, and long service life. With CE marking and a NEMA 4X enclosure, it withstands harsh environments while protecting sensitive equipment. The unit supports 600 V systems at 100 A and leverages a fuse-type CF feature with a pistol handle for fast, secure actuation. By combining rugged protection with straightforward installation, it delivers lower downtime and improved compliance in panel applications.
Product Information
Extended Description
ER4X-100CF2PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Pistol handle, 600V, 100A, Two-pole, Black, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-100CF2PB
UPC
051712748582
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-100CF2PB
Feature: Enclosed two-pole rotary disconnect with a NEMA 4X enclosure. Business Impact: Provides robust environmental protection and safe circuit isolation, reducing exposure to dust, water, and corrosion in demanding plant settings. Application: ideal for control panels, motor control centers, and outdoor installations where reliable isolation is required. Feature: Fuse type CF integration. Business Impact: Streamlines fuse management by combining protection and disconnect in one enclosure, enabling faster maintenance and safer fuse changes. Application: feeders and branch circuits in industrial automation where fuse routines are frequent and downtime costs are high. Feature: 600 V, 100 A rating with pistol handle. Business Impact: Delivers strong current capability with ergonomic actuation, improving operator safety and task efficiency. Application: medium-power drives and panel assemblies in manufacturing lines that demand quick, secure switching. Feature: CE Marking and NEMA 4X compliance. Business Impact: Supports regulatory compliance and enables use in both indoor and harsh environments, reducing procurement friction and qualification time. Application: multinational facilities and ISO-aligned plants that require certified equipment. Feature: Compact dimensions and 6 lb weight. Business Impact: Easier installation and retrofit in existing enclosures without major layout changes, lowering retrofit costs. Application: retrofits and new builds where space is at a premium and installation speed matters. Feature: Easy access with pistol handle design. Business Impact: Improves operating ergonomics and reduces the risk of accidental handle movement, boosting overall safety. Application: routine maintenance procedures and panel servicing in high-volume production lines.
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FAQs
ER4X-100CF2PB is designed as a two-pole, enclosed rotary disconnect with a NEMA 4X rating, suitable for standard industrial control panels and motor control centers. Its dimensions and mounting footprint align with common panel configurations, and its CE marking supports multi-site deployments. When integrating, verify enclosure size, wiring clearances, and compatibility with CF fuse accessories to ensure a seamless retrofit or new-build installation.
Fuse type CF within the ER4X-100CF2PB streamlines protection and isolation in a single enclosure, reducing part counts and simplifying stocking. This design enables quicker fuse changes during scheduled maintenance, minimizes exposure to live circuits, and supports safer switching sequences. For reliability, pair the CF fuse arrangement with proper lockout/tagout procedures to sustain uptime in high-demand automation lines.
Yes. The unit uses a NEMA 4X-rated enclosure, designed to resist dust, water ingress, and corrosion, making it suitable for both indoor and select outdoor installations. CE marking confirms compliance with European standards. When deploying in harsh environments, confirm installation clearances, parasitic heat sources, and wiring methods to maintain performance and longevity.
The ER4X-100CF2PB carries CE marking, and is rated NEMA 4X for rugged protection. These certifications support safe operation in industrial facilities and regulatory compliance across markets. For project qualification, cross-check with site-specific electrical codes, panel enclosure ratings, and any additional regional requirements related to 600 V equipment and protective devices.
By combining a protective disconnect with CF fuse integration in a single enclosure, the ER4X-100CF2PB reduces maintenance time, simplifies stocking, and minimizes downtime during routine servicing. Its rugged build and compliance features reduce incident risk and rework in motor control and panel installations, delivering measurable improvements in uptime, safety, and total cost of ownership over the equipment lifecycle.