The Allen-Bradley 803-B8RH is a Style B rotating cam limit switch with a right-hand shaft extension and 8 circuits. It features internal dwell time and timing settings which are adjustable when the device is not powered on and moving. This cam switch has the capacity for rotating well in both the clockwise and the counterclockwise directions, and it has a spring-loaded cam-roller assembly which is mounted to the device’s contact base. The 803-B8RH rotating cam limit switch also has several features standard to Style B switches, and these include a cam duration that ranges from a minimum of 14 degrees to a maximum of 346 degrees, a maximum shaft speed of 150 RPM and 10 Amp. snap action contacts, 1 of which is N. O. (normally open) and 1 of which is N. C. (normally closed) contacts.

The enclosure rating of the 803-B8RH rotating cam limit switch is Type 1 for indoor use and the device is mountable on any plane. Manufacturers can use this switch on machines featuring repetitive operation cycles that have correlated motion and shaft rotation, as well as on heavy-duty applications like metal forming. This switch comes with typical shaft torques of 0.5 pounds on an inch with its cam roller in the valley, of 3 pounds on an inch when its cam roller rides on the lobe, and of 7 pounds on an inch when its cam roller rides up the cam ramp. The 803-B8RH’s non-operating temperature range is -30 to 93 degrees Celsius, while its operating temperature range is -30 to 66 degrees Celsius. This switch weighs approximately 16.3 kilograms or 36 pounds.