803-F812

The 803-F812 is a rotating cam limit switch that belongs to the 803 series and is designed and manufactured by Allen-Bradley. As the catalog number indicates, this module is an “F” type modification module, defined as an external timing and dwell adjustment rotating cam limit switch. The Allen-Bradley 803-F812 rotating cam limit switch comes with snap action contacts that operate at a range of 10 Amps; this module also has a maximum shaft rotation speed of 150 RPM. It features 8 circuits with durations of 12 degrees minimum and 348 degrees maximum. In the mechanism of the Allen-Bradley 803-F812 rotating cam limit switch, specifically in the case of snap action contacts, is a cam lobe that engages the cam-roller, causing the contacts to snap over. The closed contact opens, the open contact closes, and vice versa. The Allen-Bradley 803-F812 rotating cam limit switch features an externally adjustable mechanism while it is in motion. These kinds of adjustments can be made with a screwdriver while the unit is in motion.

The Allen-Bradley 803-F812 rotating cam limit switch is designed with a Type 1 & 13 NEMA enclosure, which enables the unit to operate in environments where particles of dust and liquids may threat to get in contact with the unit. This enclosure is characterized to be designed for general purposes and dust-tight industrial enclosures. This unit has a length of 12,31 inches (312.7 millimeters) and a shipping weight of 14 pounds (6,4 kilograms). The standard shaft for this unit is a left-handed shaft.