Eaton ER3R-030CF3PR Enclosed Rotary Disconnect Switch - NEMA 3R
Part Number: ER3R-030CF3PR
Quick Summary
Eaton ER3R-030CF3PR enclosed rotary disconnect switch provides safe isolation for industrial power circuits in control panels and equipment rooms. Maintenance teams often wrestle with bulky disconnects that complicate wiring and extend downtime; this unit delivers a compact footprint and reliable operation. Built to cULus Listed and UL 98 standards, with UL/cULus Pending certifications, it suits indoor and outdoor installations in demanding environments. Designed for 600 V systems at 30 A with a 50/60 Hz supply, it reduces wiring complexity and enhances safety while aligning with Class CF fuse protection for dependable circuit control.
Product Information
Extended Description
ER3R-030CF3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Pistol handle, 600V, 30A, Three-pole, 50/60 Hz, Red, Class CF, NEMA rating 3R - ER3R-030CF3PR
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-030CF3PR
UPC
051712746786
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
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER3R-030CF3PR
Feature: Three-pole enclosure with Class CF fuse configuration. Business Impact: Simplifies protection and isolation while maintaining standard Bussmann series compatibility, reducing assembly time and potential fuse misconfigurations. Application: Ideal for control panels and motor starters where quick isolation is critical. Feature: Pistol handle for deliberate operation. Business Impact: Improves operator safety and minimizes arc flash exposure during maintenance; Accelerates serviceability in high-demand environments. Application: Routine testing, fault isolation, and routine shutdowns across manufacturing lines. Feature: NEMA 3R enclosure for indoor/outdoor use. Business Impact: Provides weather-resistant protection that lowers enclosure-related failures and downtime; Supports outdoor equipment and exposed installations. Application: Outdoor cabinets, sheltered outdoor equipment, and harsh environments. Feature: 600 V, 30 A, 50/60 Hz rating. Business Impact: Ensures compatibility with common industrial power systems while maintaining robust fault isolation; supports energy-efficient power distribution. Application: General-purpose electrical protection in industrial facilities. Feature: UL 98 and cULus compliance with listed/certified status. Business Impact: Eases regulatory approval, simplifies procurement for regulated projects, and reduces risk of non-compliant installations. Application: Federal/state projects, healthcare, food & beverage, and other regulated sectors. Feature: Compact dimensions and light weight (9.84 in x 8.91 in x 7.87 in; 2.5 lb). Business Impact: Saves valuable panel space and enables easier retrofits in limited footprint enclosures. Application: Retrofit projects and compact control cabinets.
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FAQs
To ensure proper installation, verify panel clearance for the three-pole enclosure, ensure mounting in a suitable location, and provide adequate space for the pistol handle operation. Use the Class CF fuse configuration as specified and confirm wiring follows local codes. The unit’s compact dimensions help retrofit into tight spaces, reducing major panel redesign.
The ER3R-030CF3PR is rated for 600 V, 30 A, and 50/60 Hz, with a NEMA 3R enclosure. This combination delivers reliable isolation and protection for most industrial power runs, while the Class CF fuse configuration simplifies protection coordination. These specs support safe operation in standard industrial environments with predictable maintenance cycles.
Yes. The NEMA 3R enclosure provides weather-resistant protection suitable for outdoor or sheltered outdoor installations. Coupled with UL 98/ cULus Listed credentials, it meets regulatory expectations for equipment exposed to environmental exposure, helping minimize corrosion-related downtime and extending service life.
The ER3R-030CF3PR is cULus Listed with UL 98 certification and UL/cULus Pending status, aligning with common North American electrical safety standards. These certifications support compliance during audits, greenfield deployments, and regulated project scopes across industrial sectors.
Maintenance gains come from quick, safe disconnection thanks to the pistol handle and robust three-pole design, reducing service time and arc flash risk. The rugged enclosure and certified protections lower unplanned downtime, delivering a favorable total cost of ownership in facilities with frequent servicing or panel updates.