Eaton ER3R-030CF2PB Enclosed Rotary Disconnect Switch - NEMA 3R
Part Number: ER3R-030CF2PB
Quick Summary
The Eaton ER3R-030CF2PB is an enclosed rotary disconnect switch designed to reliably isolate circuits in industrial control and power distribution applications. Engineers often struggle with safe lockout procedures and downtime caused by incomplete isolation or improper device selection. This unit carries UL 98 certification and cULus considerations with a NEMA 3R enclosure, offering robust protection against dust, moisture, and incidental impact. Built to integrate with Bussmann series CF fuses, it supports scalable protection strategies while minimizing panel space and wiring complexity. For procurement teams, it translates to consistent performance, easier maintenance, and improved compliance across multiple production lines.
Product Information
Extended Description
ER3R-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 3R - ER3R-030CF2PB
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER3R-030CF2PB
UPC
051712746847
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-030CF2PB~30CF, ENC CCP, 3R, 2POLE
ER3R-030CF2PB~30CF, ENC CCP, 3R, 2POLE
Eaton Specification Sheet - ER3R-030CF2PB
Feature: Enclosed rotary disconnect with Class CF fuse configuration → Business Impact: simplifies fuse-based protection in a single, ready-to-install enclosure, reducing wiring errors and installation time. Application: ideal for motor control centers and power-distribution panels where fast isolation is required. Feature: 600 V, 30 A, three-pole design → Business Impact: supports standard industrial loads with dependable fault isolation and straightforward integration into existing control schemes. Application: suitable for mixed-voltage circuits in manufacturing lines and process control racks. Feature: NEMA 3R enclosure with pistol handle → Business Impact: provides outdoor and semi-exposed environment protection, enabling safer service access and reduced arc-flash risk. Application: outdoor equipment spaces, warehouse docks, and remote substations. Feature: UL 98 and cULus considerations → Business Impact: strengthens regulatory compliance and traceability, easing audits and safety reviews. Application: facility-wide electrical protection programs with documented certification status. Feature: Compatibility with Bussmann CF fuses → Business Impact: ensures reliable fuse coordination and stockability across service fleets, lowering spares inventory. Application: upgrade paths in legacy systems and new builds alike, with established maintenance routines. Feature: Compact footprint and ergonomic pistol handle → Business Impact: enables easier installation and safer operation, reducing occupational hazards. Application: panel builders seeking efficient, low-profile protection switches. Industry context: aligns with standard electrical protection practices in automation, packaging, and material handling environments.
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FAQs
ER3R-030CF2PB is a three-pole enclosed rotary disconnect rated for 600 V and 30 A, designed to fit typical Bussmann CF fuse configurations. It features a pistol handle and a NEMA 3R enclosure for reliable outdoor or dusty environment protection. Follow manufacturer wiring diagrams and NEC guidelines, verify UL 98 compliance, and ensure compatibility with your existing protection scheme and panel layout.
The device provides a 30 A amperage rating, supports 50/60 Hz operation, and has a 600 V voltage rating. It is built as a three-pole switch with a NEMA 3R enclosure, designed to withstand typical industrial switching transients. Fuse configuration is Class CF, enabling coordinated protection with CF-series fuses for reliable fault clearance.
Yes. The NEMA 3R enclosure is intended for outdoor or semi-exposed installations, offering protection against rain, dust, and corrosion in typical industrial environments. The pistol handle enables safe operator engagement, and the unit is designed to maintain isolation integrity in variable weather conditions when properly mounted and wired.
The ER3R-030CF2PB carries UL 98 certification and is cULus listed, with cULus certification status noted as pending updates. This combination supports compliance with major electrical codes for both North American markets. Always verify current certification status during procurement, as listings can evolve with product revisions or regional requirements.
Using the ER3R-030CF2PB simplifies fuse-based protection in a compact, enclosed package, reducing wiring complexity and installation time. The device integrates seamlessly with CF fuses, enabling predictable fault isolation and easier spare parts management. In practice, this translates to lower labor costs, decreased downtime, and improved safety and regulatory compliance across industrial lines.