Eaton ER04-030CF3PB Rotary Disconnect - NEMA 4
Part Number: ER04-030CF3PB
Quick Summary
The Eaton ER04-030CF3PB rotary disconnect switch provides safe isolation for 600 V systems. In compact control panels, manual disconnections can be error-prone; this unit offers a rugged enclosure and an intuitive pistol-handle operation to reduce misoperation and downtime. It carries UL 98 and cULus listings (cULus pending) and is rated NEMA 4 for reliable performance in damp or dusty industrial environments. With a Class CF fuse configuration and a three-pole design, the solution aligns with preventive maintenance, fast fault isolation, and dependable line-side protection, delivering value through safer operations and easier compliance.
Product Information
Extended Description
ER04-030CF3PB 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 4 - ER04-030CF3PB
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER04-030CF3PB
UPC
051712746731
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 4
Voltage rating
600 V
Fuse configuration
Class CF
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 - ER04-030CF3PB
Enclosed design and Class CF fuse compatibility reduce arc flash exposure and simplify maintenance while protecting critical loads in manufacturing lines. This configuration supports quick fuse replacement without exposing operators to live components, improving uptime and reducing downtime costs. The three-pole arrangement enables true multi-phase isolation for machines, conveyors, and process equipment, enhancing overall system safety and reliability. The pistol-handle option provides ergonomic, gloves-on operation that remains accessible in dirty or tight installations, boosting operator efficiency. UL 98 and cULus listings, together with a NEMA 4 enclosure, ensure compliance with common electrical codes and robust protection against dust and moisture in demanding environments. Compatibility with Bussmann CF fuses simplifies stocking and standardization across facilities, reducing total cost of ownership. Installation and maintenance benefits include straightforward wiring, modular replacement, and predictable performance under 50/60 Hz power.
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FAQs
The ER04-030CF3PB is designed around a Class CF fuse configuration, supporting CF-type fuses as the protective element. This enables standardized overcurrent protection for three-pole circuits up to 30 A at 600 V, simplifying fuse stocking and ensuring consistent performance across Eaton Bussmann and third-party CF fuse products.
With a NEMA 4 enclosure and UL 98/cULus listings, the ER04-030CF3PB is rated for dust and moisture resistance in industrial settings. The pistol-handle design aids ergonomic operation, while the enclosed construction minimizes exposed live parts, facilitating safe mounting in control panels, machine cells, and process lines.
Maintenance focuses on periodic inspection of the three-pole contacts and quick replacement of CF fuses within the enclosure. The unit supports rapid, tools-free access for fuse replacement and lever checks, reducing downtime and enabling quick isolation during preventive maintenance or fault scenarios.
Yes. The ER04-030CF3PB is specified for 50/60 Hz operation, supporting typical industrial power systems. Its 30 A rating and 600 V capability align with common machine controls, conveyors, and process equipment that operate across global facilities with varied electrical frequencies.
Key certifications include UL 98 and cULus listings, indicating compliance with standard safety requirements for switchgear. The NEMA 4 enclosure provides environmental protection against ingress, supporting safe operation in wet and dusty industrial environments.