Eaton Crouse-Hinds Rotary Switch 1871A - IP66, 20A
Part Number: 1871A
Quick Summary
Eaton Crouse-Hinds Rotary Switch 1871A provides reliable power switching for industrial control panels and marine equipment. This 20A device supports 1 HP at 120 VAC and 2 HP at 240 VAC, with a copper-free aluminum construction and a surface-mount, square enclosure for compact, robust installs. Engineers often struggle with seal integrity, corrosion, and panel footprint; this switch addresses those pain points with an IP66-rated enclosure and durable materials designed for harsh environments. Designed for Ordinary/Non-Hazardous Locations, it offers predictable performance in typical plant floors and vessel interiors, reducing maintenance downtime. By pairing rugged hardware with straightforward compatibility across Pauluhn 862/1869/1871 variants, it supports scalable system design and faster project delivery while safeguarding long-term reliability.
Product Information
Extended Description
1871A Eaton Crouse-Hinds: Eaton Crouse-Hinds series Pauluhn 862/1869/1871 rotary switch, 20A, 1 HP at 120 Vac/2 HP at 240 Vac, Copper-free aluminum, Surface mount, Square, 120/240 Vac
Product Name
Eaton Crouse-Hinds series Pauluhn 862/1869/1871 rotary switch
Catalog Number
1871A
Product Length/Depth
3.88 in
Product Height
4.13 in
Product Width
3 in
Product Weight
1.2 lb
UPC
662276377752
Area classification
Ordinary/Non-Hazardous Locations
Ingress protection (IP) ratings
IP66
Material
Copper-free aluminum
Mounting style
Surface
Shape
Square
Voltage rating
120/240 Vac
Amperage Rating
20A
Horsepower
1 hp at 120 V, 2 hp at 240 V
Pauluhn Marine Rotary Switch catalog page
IF LBL 1511 - 862/1869/1871 Rotary Switch Boxes
Eaton Specification Sheet - 1871A
Feature: 20A electrical rating and horsepower capability of 1 HP at 120 VAC and 2 HP at 240 VAC. Business Impact: Enables handling common control loads in panels without oversizing components, reducing cost and heat buildup. Application: Ideal for motor control in compact industrial consoles and marine equipment where space is at a premium. Feature: Copper-free aluminum construction. Business Impact: Improves corrosion resistance and reduces weight for easier handling and installation. Application: Suitable for exposed environments where aluminum is preferred for weight and maintenance considerations. Feature: IP66 ingress protection. Business Impact: Protects against dust and high-pressure water jets, extending service life in harsh environments. Application: Critical in outdoor installations, wash-down areas, and wet-process facilities. Feature: Surface mounting with a square enclosure. Business Impact: Saves panel space and simplifies retrofit projects while offering a neat, resettable form factor. Application: Retrofit into existing square cutouts or new panel builds with minimal enclosure modification. Feature: Compatibility with Pauluhn 862/1869/1871 family. Business Impact: Provides design flexibility and spare-part availability across related rotary switch models. Application: Useful in multi-sku assemblies and cross-material integration across control systems. Feature: Ordinary/Non-Hazardous Location classification. Business Impact: Streamlines compliance and reduces need for specialized hazardous-area equipment. Application: Supports typical plant rooms and non-hazardous marine compartments where standard controls are used.
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FAQs
The 1871A is designed for surface mounting in square enclosures and aligns with Pauluhn 862/1869/1871 series footprints. Start by confirming the 120/240 VAC rating and ensuring IP66 sealing is intact. Mount on a flat panel surface, route conductors to the appropriate terminals, secure with compatible hardware, and verify enclosure gasket integrity for reliable ingress protection. This approach minimizes field rework and guarantees consistent performance across panels.
The 1871A switches up to 20A, delivering 1 HP at 120 VAC and 2 HP at 240 VAC. This makes it suitable for moderate motor and control loads in standard panels. When sizing, factor in inrush and duty cycle, and ensure wiring insulation and connector ratings meet or exceed 120/240 VAC, 20A requirements to maintain safe and reliable operation.
Yes, the 1871A is rated for Ordinary/Non-Hazardous Locations and features an IP66 enclosure, making it well-suited for typical industrial floors and shipboard or coastal environments where dust and water exposure are considerations. Copper-free aluminum construction adds corrosion resistance, supporting longer service intervals in challenging locations without excessive maintenance.
The 1871A supports IP66 ingress protection and is classified for Ordinary/Non-Hazardous Locations. While it is designed for rugged environments, it should be used within the stated location class to ensure compliance with safety and performance expectations in your facility or vessel. Always verify site-specific requirements and panel standards during installation.
By leveraging copper-free aluminum, IP66 sealing, and a compact surface-mount form, the 1871A reduces weight, extends service life in harsh settings, and simplifies installation. This translates to lower maintenance costs, fewer field repairs, and faster panel assembly, delivering a favorable total cost of ownership and quicker return on investment for standard control applications.