Allen-Bradley 278000118 Stop Switch & Buzzer Assembly is an aftermarket replacement that combines a stop switch with an integrated buzzer. The part number 278000118 identifies this assembly as a compatible control stop unit for Allen-Bradley automation equipment. It provides a stop function with audible signaling to alert operators when the switch is actuated. As an aftermarket component, it is intended for use in systems requiring an Allen-Bradley style stop switch with a built-in buzzer in control panels or equipment assemblies.
