Eaton ER4-63N3PR Enclosed Rotary Disconnect - NEMA 4
Part Number: ER4-63N3PR
Quick Summary
The Eaton ER4-63N3PR enclosed rotary disconnect switch delivers reliable panel isolation for electrical control gear. Engineers often face downtime and safety risks when selecting non-fused disconnects that compromise maintenance access and compliance. This device carries CE marking, NEMA 4 rating, and a 600 V, 63 A specification, enabling safe operation in harsh environments. In practice, it supports faster maintenance cycles, safer isolation, and simplified procurement for electrical protection and control. The pistol handle design enables quick operator action, while the enclosed construction helps reduce dust ingress. Suitable for panel builders and manufacturers needing reliable isolation in industrial automation, machine tools, and process lines.
Product Information
Extended Description
ER4-63N3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 63A, Red, NEMA rating 4
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4-63N3PR
UPC
051712487955
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
63A
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 - ER4-63N3PR
Feature — Non-fused, enclosed design. Business impact — Reduces arc flash exposure and simplifies compliance with enclosure ratings, lowering safety risk and insurance costs. Application — Ideal for control panels in manufacturing lines requiring robust environmental protection and straightforward maintenance. Feature — Pistol handle operation. Business impact — Provides fast, repeatable energization/de-energization, improving maintenance efficiency and operator ergonomics. Application — Works well in tight spaces where quick access is critical for line start/stop procedures. Feature — Electrical rating 600 V, 63 A; NEMA 4; CE marked. Business impact — Enables use across diverse industrial installations with reliable performance and regulatory alignment, reducing part proliferation. Application — Supports machines and processes in harsh or outdoor environments. Feature — Non-fused design with standard Bussmann series compatibility. Business impact — Simplifies stocking and procurement, lowering total cost of ownership and enabling consistent spares management. Application — Fits into existing Bussmann-based protection schemes in electrical protection and circuit control. Feature — Compact footprint and lightweight construction (0.1 in dimensions, ~0.1 lb). Business impact — Eases retrofits and panel real estate planning, reducing installation time and labor costs. Application — Suitable for retrofit projects in space-constrained control cabinets and enclosures.
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FAQs
The ER4-63N3PR is designed as an enclosed rotary disconnect with a NEMA 4 rating and CE marking, suitable for panel-mounted installations in industrial cabinets and process control enclosures. Its non-fused design simplifies integration with existing Bussmann-series protection schemes and standard control wiring.
Key specifications include a 600 V voltage rating, 63 A current rating, and NEMA 4 environmental protection. The device is non-fused and features a pistol-style handle for fast operation, with CE marking indicating compliance with applicable standards.
Yes. The NEMA 4 rating provides protection against rain, wind-driven dust, and splashing water, making it appropriate for outdoor or harsh indoor environments when used with compatible enclosures.
According to the data provided, the warranty is listed as Not Applicable. For technical support, refer to Eaton's specification sheets and the Bussmann-series catalogs for installation guidance and compatibility information.
It offers safer, faster isolation with a robust NEMA 4 enclosure, reduces maintenance downtime through quick operation, and simplifies procurement by aligning with standard Bussmann-series protection components, ultimately lowering total cost of ownership.