The Allen-Bradley 803-F1212P10 is a rotating cam limit switch with 12 circuits available and it has 10 substituted internally adjustable cams that are mounted at the 12th position, starting at the opposite side of the shaft extension. It is ideal for machines featuring repetitive operating cycles that have correlated the machine motion and the shaft rotation, this switch is used for heavy-duty operations, but it has a long lifespan if mounted and used properly. The enclosure ratings of this switch are Type 1 and 13, and it is mountable on any plane. This switch has the capacity to rotate well in both directions. Style “F” switches, including the 803-F1212P10 switch, feature 1 N. O. (normally open) and 1 N. C. (normally closed) snap action contact rated at 10 Amp, a maximum shaft speed of 150 RPM, and a cam duration ranging from a 12-degree minimum to a 348-degree maximum. This switch is also equipped with a spring-loaded cam-roller assembly that is mounted to the contact base and this switch has external dwell time and timing adjustments which can be configured while the machine is operating with the use of a screwdriver.

The operating temperature range of the 803-F1212P10 switch ranges from -30 to 66 degrees Celsius and its storage temperature is from -30 to 93 degrees Celsius. It also has typical shaft torque ratings of 3 pounds on an inch when the cam roller rides on its highest point or on the lobe of its cycle, of 7 pounds on an inch when the cam roller rides up the cam ramp, and of 0.5 pounds on an inch with the cam roller in its lowest point or the valley. The 803-F1212P10 switch weighs around 20 pounds or 9.1 kilograms and it measures 17.56 x 15.31 x 7.66 inches.