Eaton ER4-25N3PB Enclosed Rotary Disconnect - NEMA 4

Part Number: ER4-25N3PB
Manufacturer
Eaton
Part number
ER4-25N3PB

Quick Summary

The Eaton ER4-25N3PB enclosed rotary disconnect provides safe circuit isolation in industrial control panels. Engineers often struggle with accidental energization and lengthy lockout/tagout procedures; this switch simplifies safe isolation. This unit is CE marked and rated NEMA 4, offering CE compliance and reliable protection against dust and moisture in harsh environments. It supports 600 V systems at 25 A, making it suitable for a wide range of automation and motor-control panels. The pistol handle and non-fused design enhance operator safety and reduce maintenance steps, while compatibility with the Eaton Bussmann series ensures streamlined sourcing and stocking for maintenance teams across facilities.

Product Information

Extended Description

ER4-25N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 25A, Black, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-25N3PB
UPC
051712487658
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
25A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Feature: Enclosed, non-fused construction. This design reduces spare parts inventory and eliminates fuse management during isolation, lowering maintenance complexity and risk. Application: Use in control panels, motor control centers, and automation frames where quick, safe isolation is required without fumbling for fuses. Feature: 600 V, 25 A electrical rating provides a reliable disconnect for demanding control circuits. This capability translates to improved safety margins and consistent performance under load, reducing nuisance trips and mismatches. Application: suitable for medium-scale industrial panels, machine tools, and line equipment that operate at standard automation voltages. Feature: NEMA 4-rated enclosure delivers protection from dust, moisture, and environmental contaminants. This reduces containment risk and extends service intervals in challenging environments. Application: ideal for wash-down areas, outdoor installations, and harsh factory floors where enclosure integrity matters. Feature: Pistol-style handle enables secure, one-handed operation and positive actuation. Impact: enhances operator safety and reduces hand strain during service, enabling faster lockout procedures. Application: maintenance crews and panel builders who require quick access and reliable control during routine servicing. Feature: CE-marked compliance signals conformity with European safety standards. Impact: supports regulatory approvals and cross-border procurement, reducing compliance risk. Application: multinational facilities and equipment refurbishments where European markets are active. Feature: Enclosed rotary disconnect is part of Eaton Bussmann series; Impact: simplifies sourcing, spares planning, and stock rotation. Application: OEMs and service teams standardizing electrical protection components across panels and machines.

Get a Quick Quote for a Eaton ER4-25N3PB

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 ER4-25N3PB? Enquire Now

FAQs

Power down the panel and follow standard LOTO procedures. Mount the ER4-25N3PB in the enclosure, align with the panel’s opening, and connect input and load conductors to the appropriate lugs. Verify the pistol handle operation, ensure the enclosure remains closed for environmental protection, and document the isolation point for maintenance, warranty, and regulatory compliance.
ER4-25N3PB is a non-fused enclosed rotary disconnect switch rated for 600 V and 25 A, with a NEMA 4 enclosure and a pistol-style handle. It is CE marked and designed for safe isolation in industrial panels. This makes it suitable for medium-duty control circuits and applications requiring quick, reliable disconnection.
Yes. The NEMA 4 enclosure provides protection against dust and water intrusion, making it appropriate for damp indoor environments and many outdoor or wash-down settings. Ensure installation aligns with enclosure ratings and environmental conditions, and use appropriate mounting to maintain the integrity of the isolation point.
Industries such as manufacturing, automation, material handling, packaging, and metalworking benefit from reliable circuit isolation in control panels, motor control centers, and line equipment. The device’s 600 V/25 A rating and CE compliance support global installations and standardized sourcing across facilities.
The non-fused design reduces spare parts handling and fuse maintenance, speeding maintenance windows and minimizing downtime. Its CE marking and NEMA 4 enclosure enable safe, compliant operation across multiple sites, while its compatibility with the Eaton Bussmann series streamlines procurement, inventory management, and long-term cost of ownership.