Eaton ER4X-030CF2PB Enclosed Rotary Disconnect Switch - NEMA 4X

Part Number: ER4X-030CF2PB
Manufacturer
Eaton
Part number
ER4X-030CF2PB

Quick Summary

The Eaton ER4X-030CF2PB is an enclosed rotary disconnect switch used to safely isolate circuits in electrical control panels. Many engineers struggle with downtime and arc-flash risk when isolating power feeds without a rugged, code-compliant enclosure. It carries a NEMA 4X enclosure for harsh environments and UL 98/cULus listings, helping meet electrical code and safety standards. With Class CF fuse compatibility and a pistol handle, it improves panel safety, supports 600 V/30 A circuits, and speeds on-site installation for reliable protection. Manufacturers benefit from consistent performance, reduced commissioning time, and easier maintenance thanks to rugged construction and clear documentation. This translates to faster project handoffs and lower total cost of ownership.

Product Information

Extended Description

ER4X-030CF2PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Pistol handle, 600V, 30A, Three-pole, 50/60 Hz, Black, Class CF, NEMA rating 4X - ER4X-030CF2PB
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-030CF2PB
UPC
051712746861
Product Length/Depth
9.84 in
Product Height
8.91 in
Product Width
7.87 in
Product Weight
2.5 lb
Compliances
cULus Listed
Certifications
UL 98 cULus Pending
Amperage Rating
30A
Frequency rating
50/60 Hz
NEMA rating
NEMA 4X
Voltage rating
600 V
Fuse configuration
Class CF
Special features
Fuse type CF, Pistol handle
Enclosed rotary disconnect switch design with a rugged NEMA 4X enclosure protects internal components from dust, water, and moisture. This protection lowers the risk of compromised isolation, reduces unplanned downtime, and safeguards personnel during disconnection across demanding facilities. It is well-suited for control panels, outdoor cabinets, and washdown environments where enclosure integrity directly affects reliability for industries such as food and beverage, pharmaceutical, and automotive. Fuse configuration Class CF provides coordinated overcurrent protection aligned with Bussmann series devices for reliable coordination with select fuses and predictable shutoff in critical processes. Business impact: simplifies protection schemes and reduces the risk of incorrect fuse substitution by aligning with standard Bussmann catalog items and reducing stocking complexity. Application: suitable for assemblies needing fast-acting protection in 600 V circuits across industrial equipment including conveyors, motors, and robotics. Pistol handle ergonomic operation reduces operator effort and enhances safety during routine switching and maintenance even under glare, grime, and high ambient temperatures common in plants. This design supports faster disconnections, minimizes fatigue, and improves accuracy during sequencing tasks in automated lines while maintaining grip integrity through rugged finish. Application: daily switching and emergency shutdowns in industrial environments benefit from intuitive control and reliable handle feedback even in confined space panels and retrofit projects. Electrical ratings provide versatility: 600 V, 30 A, and three-pole operation support feeder circuits. Business impact: reduces parts variety, simplifies stocking, and enables compact panel designs with fewer wiring runs which lowers inventory carrying costs and accelerates commissioning. Application: ideal for 600 V distribution in manufacturing lines, process skids, and machine controls requiring reliable isolation in automotive, food processing, and water treatment facilities. Documentation and certifications streamline procurement, validation, and QA across the design, build, and service lifecycle, facilitating supplier audits and ensuring consistent configuration baselines. UL 98 and cULus listings, along with catalog sheets and datasheets, provide traceable specifications for design reviews to support engineering sign-off and change management. Application: ideal for procurement processes in regulated facilities and for QA audits requiring documented compliance across energy, water, and chemical processing sectors.

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FAQs

Yes. The ER4X-030CF2PB is a three-pole enclosed rotary disconnect rated for 600 V and 30 A. It uses a Class CF fuse configuration, compatible with Bussmann series devices. The unit’s NEMA 4X enclosure and pistol-handle operation support safe isolation in harsh environments, with footprint 9.84 in depth, 8.91 in height, and 7.87 in width.
The device delivers 30 A, 50/60 Hz, and 600 V ratings. It features a NEMA 4X enclosure, UL 98 and cULus listings, and a Class CF fuse configuration. It is a three-pole disconnect designed for rugged industrial use, suitable for control panels and switchgear. Dimensions are 9.84 in L, 8.91 in H, and 7.87 in W; weight is 2.5 lb.
This switch is commonly deployed in electrical protection roles within industrial control panels, switchgear, and process lines. It excels in environments with dust, moisture, and washdown hazards, such as manufacturing floors, food processing, and beverage plants, automotive assembly lines, and water/wastewater treatment facilities. Its rugged enclosure and safe isolation capabilities support reliable operation in harsh settings.
Key certifications include UL 98 and cULus listings, with a NEMA rating of 4X. The enclosure is designed to withstand harsh environments, and the fuse configuration is Class CF. Documentation is available via Eaton catalogs and specification sheets to support compliance reviews and QA audits.
The rugged NEMA 4X enclosure, UL/cULus listings, and Class CF fuse integration enhance safety by ensuring reliable isolation and reducing arc-flash exposure. The pistol handle enables quick, one-handed operation, lowering downtime during maintenance. Overall, this leads to faster commissioning, fewer spare-parts issues, and a lower total cost of ownership in regulated industrial facilities.