Eaton ER4-80N3PB Rotary Disconnect Switch - NEMA 4
Part Number: ER4-80N3PB
Quick Summary
ER4-80N3PB Rotary disconnect switch is designed to safely isolate electrical circuits in industrial control panels. Maintenance teams often face downtime and safety risks when isolation procedures are slow or unreliable. This unit is CE marked and built for NEMA 4 enclosures, delivering dependable protection in harsh industrial environments; it supports up to 600 V and 80 A for demanding applications. With a non-fused design and pistol-style handle, it enables fast, safe disconnection during servicing while complying with installation standards, delivering tangible reductions in downtime and service costs.
Product Information
Extended Description
ER4-80N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 80A, Black, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-80N3PB
UPC
051712488013
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
80A
NEMA rating
NEMA 4
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER4-80N3PB
The non-fused design with a pistol-style handle provides immediate, positive disconnection, reducing fuse management overhead and arcing risk. In an automation cell or motor control center, this translates into safer lockout procedures and quicker line clearance during maintenance. With 600 V and 80 A ratings and a robust NEMA 4 enclosure, the ER4-80N3PB is suitable for damp, dusty, or wash-down environments when housed in the appropriate enclosure, minimizing ingress-related faults and extending equipment life. The compact, enclosed rotary mechanism simplifies mounting in standard panels, enabling straightforward compatibility with common control architectures and reducing installation time. CE marking confirms conformity with European safety and performance standards, while the pistol handle design supports ergonomic operation and faster access during routine servicing. Overall, this switch improves operational reliability and helps reduce maintenance-induced downtime in industrial facilities.
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FAQs
Begin by de-energizing the circuit and applying proper lockout/tagout procedures. Mount the enclosed rotary switch in a suitable panel space, connect the input and output conductors to the appropriate terminals, and verify the enclosure remains sealed to maintain the NEMA 4 protection. Use the pistol handle for positive engagement and test the disconnect function before commissioning. Always consult the Eaton specification sheet for exact torque values and terminal guidelines.
The ER4-80N3PB is rated for 600 V with an 80 A continuous current. It is a non-fused unit with a pistol-style handle and is CE marked. The enclosure is rated NEMA 4, suitable for damp and dusty environments when installed in a compliant enclosure. This combination supports reliable isolation for most plant-level circuits and motor-control applications.
Yes, when installed inside a weatherproof NEMA 4 enclosure, the ER4-80N3PB provides protection against dust, water ingress, and wash-down conditions typical in manufacturing environments. The CE marking further supports use in regulated plant settings. For outdoor exposure, ensure the switch is mounted in an appropriate enclosure and wired per electrical codes and the manufacturer’s installation guidelines.
Per the product data, the warranty for this model is Not Applicable. For technical support, installation guidance, and replacement parts, refer to Eaton’s official datasheets and catalogs, including the Eaton Specification Sheet for ER4-80N3PB and Bussmann series catalogs. Customer service can assist with field applicability, compatibility questions, and service-life considerations.
You can access the Eaton Specification Sheet for ER4-80N3PB at Eaton’s official site. Catalogs are available in multiple formats, including Bussmann series full-line catalogs no. 1007 (PDF) and an additional catalog link. These downloads provide mounting details, wiring diagrams, and compliance information to support accurate selection and installation.