The 803-A104RHW is a rotating cam limit switch manufactured by Allen-Bradley; this unit belongs to the 803 series. A rotating cam limit switch gives the option of opening or closing independent circuits at desired positions. In general, rotating cam limit switches have been used in industrial applications for over 50 years and this unit, in particular, is reliable, durable and simple to use. The Allen Bradley 803-A104RHW  switch counts with ten circuits; it also operates on a demand of 25 amps and at a maximum speed of 150 RPM. The dimensions of the 803-A104RHW  module are 29 and ¾ inches and the enclosure is 10 ¾ inches. The function of the 803-A104RHW rotating cam limit switch is based on the use of cams mounted on a shaft. As the shaft rotates, the cams will actuate the contacts.

The Allen Bradley 803-A104RHW switch comes equipped with a NEMA enclosure, specifically type 4 & 13. This enclosure provides protection against dust, water spilling, and contact with corrosive materials. It also protects the unit against damage caused by ice formations around the cabinet. This switch is fully customizable since it allows the modification of its right-hand extension (RH) and the substitution or addition of external applications (W). The 803-A104RHW rotating cam limit switch can be applied to assembly and packing machines, steel forming, injection molding machines and in any other applications where repetitive and sequential operations are needed.