Allen-Bradley 803-A3

The Allen-Bradley 803-A3 Rotating Cam Limit Switch is designed for heavy-duty machinery applications, where it effectively aligns machine motion with shaft movement for precise control. Featuring three independent cam operators, a spring-loaded cam roller, and an adjustable cam segment, this versatile device accommodates a rotating shaft and supports various directional requirements. With a robust normally-closed contact rated for 25A and capable of handling substantial AC and DC loads, this limit switch operates at a maximum shaft speed of 150 RPM, offering a cam duration range of 14 to 346 degrees. Its NEMA Type 1 rated enclosure ensures reliable functionality in challenging environments, operating within a temperature range from -22 to 150°F. Compact yet powerful, the 803-A3 measures 4.38 inches by 5.69 inches by 7.88 inches and weighs approximately 9.5 pounds, making it an ideal component for diverse industrial settings while meeting certifications from CSA, UL, and CE.