Eaton ER3R-030CF3PB Enclosed Rotary Disconnect - NEMA 3R
Part Number: ER3R-030CF3PB
Quick Summary
Eaton ER3R-030CF3PB enclosed rotary disconnect switch provides safe isolation for electrical power circuits in industrial controls. This solution addresses the persistent challenge of securing reliable disconnection points that are easy to operate and maintain in busy plant environments. The unit carries UL 98 and cULus pending certifications, plus a NEMA 3R enclosure suitable for outdoor or harsh indoor use, and it supports 600 V, 30 A with a three-pole configuration. Designed for compatibility with Class CF fuses and a pistol-style handle, it blends protection with ergonomic operation. For procurement and maintenance teams, this device offers predictable performance, fast installation, and reduced downtime across machinery and control panels.
Product Information
Extended Description
ER3R-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 3R - ER3R-030CF3PB
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-030CF3PB
UPC
051712746724
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 3R
Voltage rating
600 V
Fuse configuration
Class CF
Special features
Fuse type CF, Pistol handle
ER3R-030CF3PB~30CF, ENC CCP, 3R, 3POLE
ER3R-030CF3PB~30CF, ENC CCP, 3R, 3POLE
Eaton Specification Sheet - ER3R-030CF3PB
Enclosed rotary disconnect switches like the ER3R-030CF3PB provide rugged isolation in a compact footprint, reducing dust and moisture ingress in harsh environments. The Class CF fuse configuration offers targeted protection for motor circuits and feeders, translating to fewer nuisance trips and longer component life. At 600 V and 30A in a three-pole arrangement, it supports standard industrial loads while simplifying panel design and wiring. The NEMA 3R rating ensures reliable outdoor performance, expanding deployment options in outdoor equipment, weather-protected enclosures, and plant yards. The pistol handle enhances operator safety and service accessibility, enabling quick, one-handed operation during maintenance. Compliance with UL 98 and pending cULus listings helps meet critical electrical codes, facilitating safer procurement and faster commissioning. The compact dimensions and weight support easy mounting in existing enclosures, improving total cost of ownership and installation efficiency. Industry-specific contexts include motor control centers, conveyor lines, and automated packaging systems where reliable isolation is essential.
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FAQs
Installers should verify panel clearance to accommodate the 9.84 in depth, 8.91 in height, and 7.87 in width. Plan for three-pole wiring and ensure the enclosure is rated for NEMA 3R environments. Use the pistol handle for controlled operation and follow wiring diagrams in Eaton’s datasheet to ensure Class CF fuse compatibility and proper disconnect sequencing.
Yes. The device features a NEMA 3R-rated enclosure, designed for outdoor and rugged indoor applications. Its enclosed design resists dust and moisture, helping maintain reliability in conveyors, outdoor control panels, and outdoor motor feeder installations while maintaining safe disconnection.
The unit supports 600 V and 30 A in a three-pole configuration, making it compatible with standard motor control circuits. Its Class CF fuse configuration provides protective coordination with motor loads, reducing the risk of nuisance trips while preserving equipment safety during fault events and maintenance operations.
The ER3R-030CF3PB is UL 98 certified with cULus listing status noted as pending. This combination supports compliance with U.S. and Canadian electrical codes for disconnecting devices, simplifying procurement for regulated facilities and ensuring alignment with safety and performance standards in industrial environments.
By delivering reliable isolation, reducing downtime from mis-sequenced or failed disconnects, and offering ergonomic operation, the ER3R-030CF3PB can lower maintenance time and extend component life. Its compact footprint also allows more efficient panel design, decreasing upfront installation costs and improving overall equipment availability.