Eaton ER4-25N3PR Enclosed Rotary Disconnect Switch - NEMA 4
Part Number: ER4-25N3PR
Quick Summary
ER4-25N3PR is an enclosed rotary disconnect switch used to safely isolate circuits in electrical panels and control cabinets. Engineers often struggle with selecting a disconnect that delivers reliable isolation while minimizing maintenance downtime in harsh environments. This Eaton Bussmann series device carries CE marking and is designed for rugged use with a NEMA 4 enclosure and a 600 V, 25 A rating, helping protect personnel and equipment. Its non-fused design reduces spare parts and simplifies switching operations, saving service time during maintenance. For panel builders and integrators, the compact footprint and pistol-style handle streamline installation and improve overall system reliability in industrial environments.
Product Information
Extended Description
ER4-25N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 25A, Red, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-25N3PR
UPC
051712487719
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
ER4-25N3PR~ENCLOSED DISCONNECTS
ER4-25N3PR~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4-25N3PR
Feature: Non-fused operation paired with a pistol handle provides decisive hand-off and safer operation. Business Impact: Reduces spare parts inventory and minimizes the risk of accidental energization during maintenance. Application: Ideal for motor control centers and control panels in manufacturing lines. Paragraph two highlights: Feature: Enclosed NEMA 4-rated enclosure and 600 V, 25 A rating. Business Impact: Allows installation in harsh, dirty or outdoor environments while supporting mid-voltage control circuits, reducing replacement costs and downtime. Application: Suitable for outdoor equipment rooms and rugged plant environments. Paragraph three: Feature: CE Marked compliance and rugged construction. Business Impact: Simplifies regulatory acceptance across European projects and ensures consistent safety standards; reduces project risk. Application: Control panels in global installations demanding formal compliance. Paragraph four: Feature: Compact footprint (0.1 in depth/height/width) with pistol handle. Business Impact: Saves panel space and accelerates retrofits and new builds; improves operator ergonomics. Application: Retrofit projects and tight-control panel enclosures in compact machines. Paragraph five: Feature: Non-fused isolator design supporting safe maintenance. Business Impact: Lower maintenance costs and quicker service with fewer parts to stock. Application: Routine shutdowns, service outages, and safety-related isolation in industrial equipment.
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FAQs
ER4-25N3PR is designed for panel mounting with a pistol-style handle for safe operation. Use standard mounting hardware and ensure the enclosure is rated for NEMA 4 environments. Confirm a 600 V maximum rating and 25 A capacity, and follow manufacturer torque recommendations to avoid misalignment and ensure reliable isolation during service.
Yes. The ER4-25N3PR is rated for 600 V and 25 A, non-fused, making it suitable for mid-voltage control circuits and applications requiring reliable isolation without fuse protection. Verify system wiring and enclosure ratings to ensure full compliance with your installation standards.
This device is ideal for isolating circuits in industrial control panels, machine enclosures, and outdoor or dirty environments where a non-fused disconnect is preferred. Its NEMA 4 enclosure and 600 V rating support safe operation in manufacturing lines, packaging, and material handling equipment.
ER4-25N3PR carries CE marking for European conformity and features a NEMA 4 enclosure to protect against dust and water intrusion. It is rated for 600 V and 25 A, aligning with many regional electrical standards for control panel components.
The non-fused design simplifies maintenance by eliminating fuse replacements and enabling quicker isolation during service. The pistol handle improves operator ergonomics, while the CE/NEMA 4-rated construction minimizes environmental-related downtime and ensures reliable performance in rugged industrial settings.