Eaton ER3R-030CF2PR Enclosed Rotary Disconnect Switch - NEMA 3R
Part Number: ER3R-030CF2PR
Quick Summary
Eaton ER3R-030CF2PR is an enclosed rotary disconnect switch used to safely isolate power in industrial control panels. This solution addresses the common challenge of balancing safety, reliability, and maintenance downtime by providing a robust, code-compliant isolation point. With UL 98 and cULus pending certifications and a NEMA 3R enclosure, it is built for rugged environments. The Class CF fuse configuration and pistol-style handle offer streamlined protection and fast disconnection, while compatibility with the Bussmann series simplifies panel wiring. For buyers seeking dependable electrical protection with straightforward procurement, this unit aligns with standard industry practices and supports scalable control architectures.
Product Information
Extended Description
ER3R-030CF2PR 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-030CF2PR
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-030CF2PR
UPC
051712746908
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-030CF2PR
Feature: Enclosed rotary disconnect switch with three-pole design. Business Impact: Provides dependable, code-compliant isolation for multi-line circuits, reducing arc flash exposure during maintenance and enabling safer start-up/shutdown sequences. Application: Ideal for electrical protection in industrial control panels and machine enclosures. Feature: 600 V, 30 A rating. Business Impact: Handles typical motor and control circuit loads with headroom for surge currents, improving reliability and minimizing nuisance trips. Application: Suitable for medium-power equipment in manufacturing lines. Feature: NEMA 3R enclosure and pistol handle. Business Impact: Offers weather resistance and rapid operation in dusty or damp environments, lowering risk during outdoor installations or damp plant areas. Application: Outdoor controls, weather-protected enclosures, and service disconnects. Feature: Fuse configuration Class CF. Business Impact: Enables precise fuse coordination with Bussmann SERIES CF fuses, enhancing protective selectivity and maintenance planning. Application: Power distribution and protection schemes in control panels. Feature: UL 98 and cULus pending certifications, plus cULus Listed compliance. Business Impact: Supports regulatory approvals and customer procurement requirements, reducing compliance risk. Application: Systems targeting North American electrical codes and industrial standards. Feature: Pistol handle and compact footprint (9.84 x 8.91 x 7.87 in). Business Impact: Improves ergonomic operation and saves panel space, aiding faster installations and easier retrofits. Application: Tight or retrofit installations in existing equipment footprints.
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FAQs
Install the unit as a three-pole, 600 V disconnect in a compliant panel, observing standard clearances for a NEMA 3R enclosure. Wire per the Class CF fuse configuration and follow local electrical codes. Use proper mounting hardware and ensure the pistol handle operates without interference, enabling safe and rapid disconnection during maintenance.
Class CF fuse configuration allows precise coordination with Bussmann CF fuses, improving protection against overcurrents while enabling selective tripping. This reduces nuisance shutdowns, supports preventive maintenance planning, and enhances overall system reliability in control panels and distribution networks.
Yes. The ER3R-030CF2PR features a NEMA 3R enclosure designed to resist moisture and dust ingress in outdoor or damp indoor settings. While it is not an IP-rated component, the rugged enclosure provides dependable protection for panel-mounted disconnects used in exposed or semi-exposed installations.
Look for UL 98 recognition and cULus listing to demonstrate compliance with standard safety requirements for motor disconnects and electrical enclosures. The ER3R-030CF2PR is UL 98 compliant with cULus listing pending, aligning with common North American regulatory expectations for industrial control devices.
The combination of a pistol-operable handle, robust NEMA 3R enclosure, and Class CF fuse coordination streamlines maintenance and fault isolation. Its compact footprint simplifies panel upgrades, while reliable isolation minimizes arc-flash risk and unplanned outages, delivering lower total cost of ownership over the device lifecycle.