Eaton ER4P-100N3PB Enclosed Rotary Disconnect Switch - NEMA 4P
Part Number: ER4P-100N3PB
Quick Summary
The Eaton ER4P-100N3PB enclosed rotary disconnect switch isolates power in electrical panels and switchgear. Too often engineers grapple with unreliable disconnection, space constraints, or noncompliant enclosures that slow maintenance and increase risk. This model carries CE marking and a NEMA 4P enclosure rating, making it suitable for indoor and outdoor installations in harsh environments. With a non-fused design and a pistol handle, it streamlines operation while its 600 V and 100 A ratings align with common industrial power distribution needs, helping reduce downtime and total cost of ownership.
Product Information
Extended Description
ER4P-100N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 100A, Black, NEMA rating 4P
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4P-100N3PB
UPC
051712488396
Product Length/Depth
12 in
Product Height
12.25 in
Product Width
7.5 in
Product Weight
11.24 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
100A
NEMA rating
NEMA 4P
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER4P-100N3PB~ENCLOSED DISCONNECTS
ER4P-100N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER4P-100N3PB
Non-fused design reduces maintenance and replacement parts, while the pistol handle provides ergonomic, one-handed operation for faster switch actuation and safer lockout-tagout sequences, improving overall maintenance efficiency and worker safety in control panels and outdoor cabinets. The 600 V / 100 A electrical rating supports a broad range of equipment, enabling a single, standardized disconnect solution across multiple lines and reducing parts diversification and stocking costs. The NEMA 4P enclosure, combined with CE marking, delivers robust environmental protection against dust, water, and corrosion, simplifying regulatory compliance for indoor and outdoor installations and reducing field failure rates. Dimensions of 12 in L, 12.25 in H, and 7.5 in W ensure compatibility with common panel cutouts and mounting footprints, while the 11.24 lb weight aids in handling and installation planning. Catalog number ER4P-100N3PB and Bussmann series lineage support streamlined procurement and faster sourcing for maintenance teams. This solution also benefits from Eaton’s technical support and a proven track record in electrical protection and circuit control, aligning with reliability-driven maintenance strategies and ROI objectives.
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FAQs
Yes. The ER4P-100N3PB is rated for 600 V and 100 A, and features a NEMA 4P enclosure for protection in damp, dusty, or outdoor environments, making it suitable for many industrial panels and switchgear installations.
The switch is 100 A and 600 V, non-fused, with a pistol handle for ergonomic operation, CE marked, and designed for environments requiring NEMA 4P protection.
Plan for a compatible panel cutout and mounting footprint (12 in L × 12.25 in H × 7.5 in W). Ensure proper line/load connections, observe safety practices, and use appropriate lockout/tagout procedures. Refer to Eaton’s datasheet for recommended mounting torque and wiring guidance.
NEMA 4P indicates the enclosure provides protection against windblown dust and rain, splashing water, and Ice, suitable for both indoor and outdoor use in harsh environments and contributing to safer, more reliable operation.
It delivers reliable power isolation with a non-fused design that reduces maintenance, minimizes downtime, and simplifies regulatory compliance through CE marking and NEMA 4P protection, while offering straightforward procurement through a standard catalog number.