Eaton ER4P-030CF2PR Enclosed Rotary Disconnect Switch - NEMA 4P
Part Number: ER4P-030CF2PR
Quick Summary
The Eaton ER4P-030CF2PR is an enclosed rotary disconnect switch designed for safe isolation in electrical distribution panels. Installers often face challenges with weather resistance, enclosure integrity, and meet-throughput during field mounting in harsh environments; this unit’s rugged enclosure helps minimize downtime and reduces rework. It carries cULus Listed compliance with UL 98 certification pending, and supports a NEMA 4P rating for wet and dusty locations, along with 600 V, 30 A, and 50/60 Hz capabilities. By pairing the Class CF fuse configuration with a three-pole design, it delivers reliable protection and easy integration into standard Bussmann series protection schemes, supporting simplified procurement and maintenance workflows.
Product Information
Extended Description
ER4P-030CF2PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Selector handle, 600V, 30A, Three-pole, 50/60 Hz, Red, Class CF, NEMA rating 4P - ER4P-030CF2PR
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4P-030CF2PR
UPC
051712746939
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 4P
Voltage rating
600 V
Fuse configuration
Class CF
Special features
Fuse type CF, Selector handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4P-030CF2PR
Feature: Enclosed rotary disconnect switch with Class CF fuse configuration. Business Impact: Safe, code-compliant isolation reduces arc flash risk and minimizes downtime from mis-wired protections. Application: Control panels and machine interfaces where dependable sectionalization is required. Feature: NEMA 4P rated enclosure with 600 V and 30 A rating. Business Impact: Weather- and dust-resistant performance enables outdoor or harsh-indoor installations, lowering maintenance frequency. Application: Outdoor switchgear, washdown areas, and rugged plant environments. Feature: Three-pole design with a selector handle. Business Impact: Reliable three-phase disconnection and intuitive operation speed up maintenance and startup checks. Application: Motors, feeders, and three-phase circuits in industrial processes. Feature: cULus Listed with UL 98 certification in process. Business Impact: Compliance with electrical codes supports faster approvals and fewer field reworks. Application: Regulated facilities and multi-site deployments. Feature: Fuse configuration CF compatible with Bussmann series protection. Business Impact: Streamlined stocking and compatibility reduce part variety and inventory costs. Application: Standard protection schemes across product lines and spare parts planning. Feature: Compact dimensions (9.84 in L, 8.91 in H, 7.87 in W) and 2.5 lb weight. Business Impact: Easier panel integration and lightweight handling lower installation time and labor costs. Application: Space-constrained control panels and modular assemblies.
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FAQs
Plan for a three-pole disconnect with a Class CF fuse configuration inside a NEMA 4P enclosure. Check incoming wiring clearances, confirm a 600 V rating, and ensure mounting dimensions align with the panel cutouts (approximately 9.84 in length, 8.91 in height, and 7.87 in width). Confirm compatible Bussmann series fuses and reference the selector handle for safe operation during installation and maintenance.
The ER4P-030CF2PR provides 30 A, 600 V, and 50/60 Hz operation with a NEMA 4P enclosure. It is cULus Listed, and UL 98 certification is noted as pending. These ratings support use in industrial control panels, with compliance suitable for both indoor and somewhat challenging environments, aligning with common electrical codes and safety requirements.
Yes, this switch is designed for Class CF fuse protection. The CF fuse configuration enables coordinated protection for feeder circuits and motors while allowing straightforward replacement through Bussmann series catalog references. Proper fuse sizing ensures selective tripping, minimizes nuisance outages, and optimizes maintenance intervals across multi-circuit panels.
Industries such as manufacturing, packaging, and process control benefit from the ER4P-030CF2PR in machine control panels, process lines, and outdoor equipment housings. Its rugged NEMA 4P enclosure, 600 V rating, and three-pole design support reliable isolation for motors, feeders, and power distribution in harsh environments, improving uptime and safety.
Regular inspections should focus on enclosure integrity, selector handle operation, and fuse condition. Because the device uses CF fuses and is cULus Listed with UL 98 considerations, plan for periodic fuse replacements and enclosure seal checks to maintain protection levels. Standardized parts from the Bussmann series simplify stocking, training, and field service, maximizing lifecycle ROI.