Eaton ER4-800N3PR Enclosed Rotary Disconnect Switch - NEMA 4 CE

Part Number: ER4-800N3PR
Manufacturer
Eaton
Part number
ER4-800N3PR

Quick Summary

The Eaton ER4-800N3PR is an enclosed rotary disconnect switch for safe isolation in industrial panels. Operators and maintenance teams often struggle with misoperation and downtime caused by inadequate isolation points. Key certifications include CE Marked compliance and a rugged NEMA 4 enclosure, ensuring regulatory alignment and environmental protection. This solution complements electrical protection and circuit control strategies, delivering reliable, compliant isolation with easy installation in control panels and switchgear. By choosing a non-fused design with a pistol handle, downtime is minimized during preventive maintenance and replacement, while compatibility with standard Bussmann series components supports streamlined sourcing. This translates to faster project timelines and lower total cost of ownership in industrial facilities.

Product Information

Extended Description

ER4-800N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 800A, Red, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-800N3PR
UPC
051712420846
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
19 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
800A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Feature → Non-fused design with pistol handle improves safety and reduces maintenance steps, significantly lowering downtime during preventive maintenance and component replacement. Business Impact → Faster operational readiness and lower lifecycle costs in high-use application areas like motor control centers and process lines. Application → Ideal for control panels and switchgear where quick, safe isolation is required without the complexity of blowing fuses. Feature → 600 V, 800 A electrical rating provides robust shutdown capability for demanding loads. Business Impact → Simplifies panel design by accommodating high power segments with a single disconnect, reducing wiring complexity and component diversity. Application → Suitable for heavy-duty machinery, conveyors, and line-start applications where reliable isolation is critical. Feature → NEMA 4 rated enclosure delivers dependable protection against dust, water, and environmental exposure. Business Impact → Improves long-term enclosure integrity, reduces maintenance intervals, and supports outdoor or damp environments. Application → Perfect for outdoor equipment housings and dusty manufacturing floors. Feature → CE Marked compliance signals regulatory alignment for global deployment. Business Impact → Enables cross-border sourcing, reduces compliance risk, and streamlines procurement. Application → Use in facilities requiring formal CE documentation within electrical protection and control solutions. Feature → Rugged Bussmann series compatibility and solid weight (19 lb) indicate durability and ease of installation. Business Impact → Lower handling risk and faster retrofit projects due to established component compatibility. Application → Suitable for retrofits or new builds in automation and plant-wide electrical protection schemes.

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FAQs

Install the ER4-800N3PR in a suitable electrical enclosure or panel rated for NEMA 4 protection. Use the pistol handle to ensure proper engagement and safe manual operation. Ensure compatible mounting hardware and alignment with Bussmann series components to simplify feed-through wiring and scoping for high-current applications.
The ER4-800N3PR is rated for 600 V and 800 A, allowing single-point isolation of high-power circuits. This rating supports reliable shutdown of motors, pumps, and line-start equipment while reducing the need for multiple disconnects in a downstream control system.
Yes. The unit carries a NEMA 4 enclosure rating, providing protection against dust, water ingress, and challenging industrial environments. This makes it suitable for outdoor installations and damp or dirty factory settings where enclosure integrity is essential.
The ER4-800N3PR carries CE Marking, signaling compliance with applicable European safety and performance standards. The NEMA 4 enclosure rating also demonstrates rugged environmental protection. Together, these certifications support regulatory compliance and reliable operation across global facilities.
The non-fused design with a pistol handle simplifies maintenance workflows, reducing steps for replacement and inspection. This leads to shorter downtime windows, easier field servicing, and lower total cost of ownership in facilities that require frequent isolation and re-energization of power circuits.