ER4X-100N3PR Eaton Enclosed Rotary Disconnect — NEMA 4X
Part Number: ER4X-100N3PR
Quick Summary
ER4X-100N3PR is a rugged enclosed rotary disconnect switch designed to safely isolate power in industrial distribution. For engineers and maintenance teams, inconsistent wiring, arc flash exposure, and weather-damaged enclosures remain persistent challenges. This unit is CE marked and NEMA 4X rated, providing weatherproof protection for outdoor or harsh indoor environments, with a 600 V, 100 A rating. In practical terms, it supports reliable motor and feeder isolation while reducing maintenance downtime. The pistol-handle, non-fused design aligns with common lockout/tagout workflows and integrates smoothly with Eaton Bussmann catalogs, delivering value through standardized, safe installations across global sites.
Product Information
Extended Description
ER4X-100N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 100A, Red, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-100N3PR
UPC
051712488440
Product Length/Depth
0.1 in
Product Height
0.1 in
Product Width
0.1 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
100A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4X-100N3PR~ENCLOSED DISCONNECTS
ER4X-100N3PR~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4X-100N3PR
Feature: Enclosed rotary disconnect switch, non-fused. Business Impact: Reduces arc flash exposure during routine maintenance and replacement, improving safety metrics for your maintenance teams. Application: Ideal for motor feeders and panel isolations in manufacturing lines where quick, secure shutoff is required. Feature: Pistol handle. Business Impact: Enables faster, more ergonomic operation with a positive grip, reducing operator fatigue during frequent lockout/tagout cycles. Application: Assembly and packaging lines with regular shutdowns for preventive maintenance. Feature: Electrical rating of 600 V and 100 A. Business Impact: Supports common industrial loads and feeders without oversizing, optimizing panel space and cost. Application: Motors, contactors, and distribution feeders in medium-duty industrial plants. Feature: NEMA 4X enclosure. Business Impact: Delivers superior ingress protection against water, dust, and washdown environments, lowering maintenance costs and downtime. Application: Outdoor equipment, washdown areas, and harsh indoor environments. Feature: CE Marked compliance. Business Impact: Facilitates cross-border procurement and regulatory adherence, simplifying global project rollouts. Application: International installations across Europe and other CE jurisdictions. Feature: Non-fused design. Business Impact: Reduces fuse-related failure points and simplifies coordination with upstream protection schemes. Application: Power distribution panels requiring straightforward isolation. Feature: Compatibility with Eaton Bussmann catalogs. Business Impact: Streamlines BOM standardization and procurement, reducing engineering time and errors. Application: System integrators and OEMs deploying standardized electrical protection components.
Get a Quick Quote for a Eaton ER4X-100N3PR
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton ER4X-100N3PR?
Enquire Now
FAQs
ER4X-100N3PR is a non-fused enclosed rotary disconnect designed for standard industrial power distribution gear. Its enclosure provides weatherproof protection and accommodates typical wiring terminations, simplifying integration with existing panels. It also aligns with Eaton Bussmann catalogs and accessories, helping standardize BOMs and minimize rework during panel upgrades.
The unit carries a NEMA 4X enclosure rating, delivering weatherproof and corrosion-resistant performance suitable for outdoor installations and washdown areas. Combined with CE marking for regulatory compatibility, it maintains reliable operation in challenging environments while protecting internal connections from dust, water, and cleaning agents.
Yes. The non-fused design paired with a pistol handle supports lockout/tagout procedures. For compliance, use approved padlocks and tags following your site’s LOTO policy, ensure the switch remains in the isolated position, and follow OSHA or local regulations during maintenance windows to maximize safety and uptime.
Key ratings are 600 V and 100 A, suitable for typical industrial feeders and motors. Certifications include CE Marking and NEMA 4X enclosure protection. When designing systems, ensure upstream protection matches the device’s ratings and that the installation complies with local electrical codes and safety standards.
Download resources from the product page’s downloads section: ER4X-100N3PR catalogs and the Eaton specification sheet. These files include the Bussmann-series catalog references and detailed installation guidance, wiring diagrams, and recommended accessories to streamline procurement and field installation.